Kenwood KDC 2031 SG Service Manual

CD RECEIVER
KDC-2031SA/SAY
KDC-2031SG/SGY
SERVICE MANUAL © 2004-12 PRINTED IN JAPAN
B53-0234-00 (N) 1813
SPARE TDF PANEL

MAIN UNIT NAME TDF PARTS No. TDF NAME
KDC-2031SA/SAY Y33-2140-66 TDF-2031SA
KDC-2031SG/SGY Y33-2140-67 TDF-2031SG
PANEL ASSY
KDC-2031SA/SAY/SG/SGY (A64-3461-02)
VOL
AUD /AUTO
SET UP AME
MONO FF SCAN RDM REP
LEVER DC CORD PLASTIC CABINET ASSY MOUNTING HARDWARE ASSY

(D10-4589-04) x2 (E30-6413-05) (A02-2736-03) (J21-9716-03)
ANTENNA ADAPTOR ESCUTCHEON

(T90-0523-05) (B07-3122-01)
This product uses Lead Free solder.

KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
BLOCK DIAGRAM
J4 L506 ELECTRIC UNIT (X34-)
ANT FM AGC
AM+B
Q501 Q351,352 J6
AM AGC PRE MUTE PRE OUT
IC10 IC4 FM (J/K Type) : 1800mV
FM (E Type) : 1372mV
MPX OUT AM (J/K Type) : 600mV
SERVO
CD or MD AM (E Type) : 855mV
A8V
MECHA MPX IN CD/MD RECEIVER : 3600mV
BU5V POWER IC CHANGER : 3600mV
800mV E-VOL IC6
AUDIO OUT
1200mV &
MUTE LOGIC
TUNER
A8V J1
SP OUT
IC11 BU5V
IC8 Q51
J2 E2PROM RST IC SURGE DET
IC1 Q52
CHANGER IC7
BU DET BACK-UP
RDS
DECODER Q53
AUDIO OUT
ACC DET ACC
SYSTEM u-COM
TEL MUTE
P-ANT
P-CON
BACK-UP
IC3
Q151
PAN5V BU5V POWER SUPPLY IC
SWITCH UNIT (X16-) PAN5 PAN5V
P-CON
ED1 Q72,73 P-ANT
IC1 IC3 Q155 SERVO SERVO SW5V SW5V
VFD AM+B AM+B
REMOTE DSI IC15 A8V AUDIO+B
VFD DRIVER VFD REG VCC
with BU5V
S11
ILLUMI
KEY MATRIX BU5V

KEY
.......
....... ILLUMI
VOL
MECHA ASSY (X92-) CD PLAYER UNIT (X32-5750-00)
X1
CLOCK
16.934MHz MOTHER
PICK-UP (DPU1) D. GND IC2 BOARD (X34-)
DOUT 22
D. GND IC1
4 CLK 19
7 DATA 18
A 12 10
E C F Q1 RF AMP MSTOP
B SERVO MRST 11
APC VREF PROCESSOR
2 MUTE L 12
u-COM IC4 MUTE R 13
L-ch 8
REF LPF R-ch 6
IC3 Q5,6,D3
D2 Q4
2 CURR. A+5V
TR COIL VREF 5V REG 8V SW A8V 9
AMP
2 A. GND 7
FO COIL Q3
A. GND
SW
MUTE DRV MUTE BU5V 15
DM1 Q2
2 MOTOR 4
SPINDLE MOTOR 5V SW
DRIVER D. GND
D. GND 14
DM2 LOADING
LOADING & SLED 2 H VREF
MOTOR L S3 1
LOE/LIM SW
SLED
S. GND
S2 21
SW +5V 12EJE SW
S1 20
D. GND LOS SW
S7.5V 3
S. GND 2
MOTOR 4
LO/EJ 5
2
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
COMPONENTS DESCRIPTION
● ELECTRIC UNIT (X34-3412-7x)
Ref. No. Application / Function Operation / Condition
IC1 SYSTEM µ-COM System control.
IC3 POWER SUPPLY DC5Vx2, 7.9Vx1, 8.1Vx1, 10.3V, P.CON, P-ANT output.
IC4 POWER IC Audio signal amplifier.
IC6 MUTE LOGIC Mute control.
IC7 RDS DECODER For other models.

IC8 RESET “L” when detection voltage goes below 3.6V.
IC10 E-VOL & TUNER E-VOL, Tuner, Stereo decode.
IC11 E2PROM Saves and writes tuner adjustment data.

IC15 VFD REGULATOR 11.3V output voltage for LED and VFD.
Q51 SERGE DET “ON” when the base goes “H”.
Q52 BU DET “ON” when the base goes “H”.

Q53 ACC DET “ON” when the base goes “H”.
Q71 SERVO+B CONTROL SW “ON” when the base goes “H”.
Q72,73 SERVO+B AVR Output voltage level : 7.5V.

Q74 IC3 CONTROL SW “ON” when the base goes “H” (Output voltage : 10.3V).
Q151 PANEL 5V SW “ON” when the base goes “L”.
Q155 DSI ILLUMI SW “ON” when the base goes “L”.

Q252 IC4 STBY SW “ON” when the base goes “L”.
Q330 Q351, 352 MUTE DRIVER “ON” when the base goes “L”.
Q351 Lch PRE MUTE SW Pre-output is muted when the base goes “H”.
Q352 Rch PRE MUTE SW Pre-output is muted when the base goes “H”.
Q501 AM RF AMP Adjusts for AM-RF gain.
● CD PLAYER UNIT (X32-5750-00)

Generation of RF signal based on the signals from the APC circuit and pickup, and
RF AMPLIFIER responding generation of servo error (focusing error and tracking error) signals.
IC1
to CD-RW Detection of dropout, anti-shock, track crossing and off-tracking conditions, included
gain control function during CD-RW.

Focusing, tracking, sled and spindle servo processing.
CD SIGNAL PROCESSOR Automatic adjustment (focusing, tracking, gain, offset and balance) operations.
IC2
built-in µ-COM Digital signal processing (DSP, PLL, sub-codes, CIRC error correction, audio data
interpolation processing) operations, and microcomputer function.
Focusing coil, tracking coil, spindle motor and sled motor driver, disc loading and
IC3 4ch BTL DRIVER
eject operation.
IC4 L.P.F. (LOW PASS FILTER) 2nd low pass filter for audio signals.
Q1 APC (AUTOMATIC POWER CONTROL) LD power control.
Q2 DIGITAL +5V SW “ON” When P. ON signal goes “L”.
3
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
COMPONENTS DESCRIPTION
Q3 Q4 SW “ON” When P. ON signal goes “L” (SW+5V is ON).
Q4 ANALOG +8V SW “ON” When P. ON signal goes “L” (Q3 is ON).
Q5, 6 CURRENT AMP Current driver.
● SWITCH UNIT (X16-294x-xx)

IC1 VFD DRIVER
IC3 REMOTE SENSOR
Q1 GREEN LED SW “ON” when the base goes “H”.

Q2 RED LED SW “ON” when the base goes “H”.
Q21 PAN SW5V “ON” when the base goes “H”.
MICROCOMPUTER’S TERMINAL DESCRIPTION

● SYSTEM µ-COM : IC1 on X34- (ELECTRIC UNIT)
Active
Pin No. Pin Name I/O Application Processing Operation
(H/L)
1 DC ERR I DC offset detection input
2 LINE MUTE I Phone detection NAVI MUTE : Over 2.5V, TEL MUTE : Below 1V
3 ROTARY CW I Rotary encoder input

4 AVSS -
5 TUN TYPE1 I E-VOL setting switch Refer to “TUN TYPE” on the TRUTH TABLE
6 TUN TYPE2 I E-VOL setting switch Refer to “TUN TYPE” on the TRUTH TABLE
7 AVREF1 -
8 VFD DATAF I Data input from VFD driver
9 VFD DATAS O Data output to VFD driver

10 VFD CLK O Clock output to VFD driver
Display OFF, Key reset, TDF panel OFF : L
11 L VFD RST O Reset output to VFD driver
Display ON, Key scan : H
12 VFD CE O Chip enable output to VFD driver
13 ROTARY CCW I Rotary encoder input
14 L TDF DET I TDF panel detection TDF panel OFF : H, TDF panel ON : L
15 PWIC BEEP O Beep output
16~19 NC -
Adjustment=H, PS1-1,2=L, PS1-3=Hi-Z,

20 L TUN ADJ I For adjusting IC10
PS2-1,2=Hi-Z, TUN DATA, CLK=Hi-Z
21 TUN SD I Tuner search stop output H : Station exists, L : Station does not exist
4
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
Active
(H/L)
22~24 NC -
25 AUD SDA I/O Volume + tuner I2C data input and output
26 AUD SCL I/O Volume + tuner I2C clock input and output
27 H PWIC STBY O Power IC standby output Power IC ON : H, Power IC OFF : L
28 H VOL MUTE O E-VOL mute output L : Mute OFF, Hi-Z : Mute ON

29 L PWIC MUTE O Power IC mute output Power OFF : L, Standby : L, Tel mute : L
30 TUN FANC OUT O Tuner block (inside the µ-com) check OK : L, NG : H
31 RESET2 O Mute for reset Output L

32 NC -
33 VSS1 -
34 NC -
35 L ACC DET I ACC detection ACC exists : L, ACC does not exist : H
BU exists : L
36 L BU DET I Momentary power-down detection
BU does not exist (Momentary power-down) : H
37 NC -
38 PS2-2 O Power supply control output Refer to “POWER IC CONTROL” on the TRUTH TABLE
43,44 NC -
45 CD MUTE I CD mute request L : Mute request
46 L CD MSTOP O CD mecha u-com stop H : mecha µ-com operates, L : mecha µ-com is stopped
47 CD LOE LIM SW I CD detection (chucking switch) H : Loading is finished, L : Disc does not exist
Refer to “CD MECHA CONTROL OPERATION”
48 CD LOEJ I/O CD motor control
on the TRUTH TABLE
Refer to “CD MECHA CONTROL OPERATION”

49 CD MOTOR O CD motor control
on the TRUTH TABLE
50 NC -
51 L CD MRST O CD mecha µ-com reset H : Normal condition, L : Reset

52 CD SCL I/O CD mecha I2C clock output
53 CD DISC12 SW I 12cm CD detection
54 CD LOS SW I CD loading detection

55 CD SDA I/O CD mecha I2C data input and output
56 OEM DISP CE I/O External display chip enable External display
57 OEM DISP CLK I/O External display clock External display

58 OEM DISP DATA I/O External display chip data External display
59 DSI O DSI control DSI ON : H, DSI OFF : L, TDF DET=H (DSI blinks)
60 L RESET I
5
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
Active
(H/L)
61 NC -
VFD ON : H, VFD OFF : L

62 L PON FL O VFD power supply ON
TDF DET H (DSI blinks) : L, TDF DET L : H
63 KEY REQ I Communication request from VFD driver L : Key input
64 NC -
65 REMOTE I Remote control input
66 NC -
67 VSS0 -
68 VDD1 -
69 X2 -
70 X1 -
71 TEST -
72 XT2 -
73 XT1 -
74 VDD0 -
75 AVDD -
76~78 TYPE 3~TYPE 1 I Destination switch

79 NC -
80 TUN SMETER I Tuner S-meter input
● TRUTH TABLE
• TUN TYPE
TYPE 1 TYPE 2
General models commercially-designated as pure KENWOOD brand (Initial value)

L L
Initial value setting
• POWER SUPPLY IC (IC3) CONTROL • CD MECHA CONTROL OPERATION

SEL1 (Pin No. 11) CD LOEJ CD MOTOR CD MECHA OPERATION
PS1-2 PS1-3 PS2-1 ILLUMI P-CON P-ANT L H Load
L L L OFF OFF OFF H H Eject

L L H ON OFF OFF Hi-Z L Stop
H L H ON ON OFF Hi-Z H Brake
H H H ON ON ON
SEL2 (Pin No. 12)
PS1-1 PS2-2 AUDIO SW5 AM
L L OFF OFF OFF

H L ON ON OFF
H H ON ON ON
6
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
● CD MECHANISM µ-COM : IC2 on X32- (CD PLAYER UNIT)
Active
(H/L)
1 TVD O Traverse drive output (PWM output).

2 SPL O Spindle motor drive output (PWM output).
3 NC - No connection.
4 PWM O Multipurpose PWM output.

5 TBAL O Tracking balance adjustment output (PWM output).
6 FBAL O Focusing balance adjustment output (PWM output).
7 NRFDET I RF detection signal input. L : Detection

8 OFT I Off-tracking signal input. H : Detection
9 BDO I Drop-out signal input. H : Detection
10 LDON O Laser-on signal output. H : Focus ON

11 DSLB O DSL balance output.
12 DVDD1 - Power supply for digital circuit.
13 DVSS1 - GND for digital circuit.

14 AVSS2 - GND for analog circuit. For DSL, PLL and A/D converter
15 DSLF I/O Loup filter for DSL and bias output for ARF.
16 ARF I RF signal input.

17 RFSW I DSL circuit time constant switch.
18 PLLF I/O Loup filter for PLL.
19 PLLF2 I/O Loup filter character switch for PLL.
20 IREF I Reference current input.

21 RFENV I RF envelope signal input.
22 TRCRS I Tracking cross signal input.
23 TE I Tracking error signal input.

24 FE I Focusing error signal input.
25 AVDD2 - Power supply for analog circuit. For DSL, PLL and A/D converter
26 AVSS1 - GND for analog circuit. For Lch/Rch audio output

27 OUTR O Rch audio output.
28 AVDD1 - Power supply for analog circuit. For Lch/Rch audio output
29 OUTL O Lch audio output.

31 CSEL -
33 ASEL -
34 MSEL0 -
35 MSEL1 -
36~39 NC - No connection.
40 VREFP - Reference power supply input for A/D converter.
41 HOT -
7
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
Active
(H/L)
42 8EJE SW -
43 12EJE/SDET SW -
Loading-end detection / H : Loading-end detection
44 LOE/LIM SW I
Pick-up inner circumference detection. L : Pick-up inner circumference detection
45~49 NC - No connection.
51 X1 I Main clock input.
52 X2 O Main clock output.

54 XSUB1 -
56 TEST1 - Test terminal. Normal condition : “H” fixed
57 TEST2 - Test terminal. Normal condition : “H” fixed
58,59 NC - No connection.
60 DRV MUTE O Driver mute control. L : Mute ON, H : Mute OFF
61 L MUTE L O Audio Lch mute output.
62 L MUTE R O Audio Rch mute output.

63 L RST I LSI reset input.
64 OCD CLK -
65 L MSTOP I Standby detection.
66 DATA I/O I2C bus data line (Communication line to system µ-com). During serial writer is connected.
67 SBIO I Data input. During serial writer is connected.
68 L CLK I/O I2C bus clock line (Communication line to system µ-com). During serial writer is connected.
69 TX O Digital audio interface signal output.

71 XSEL -
72 MCNT I Loading control / Eject control. L : OFF (Host control), H : Mecha µ-com control
73 P. ON O Audio & Servo power supply control. L : Power supply ON. H : Power supply OFF
74,75 NC - No connection.
76 CD-RW O CD-RW control. H : CD-RW, L : Normal disc

79 FOD O Focusing drive output (PWM output).

80 TRD O Tracking drive output (PWM output).
8
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
TEST MODE
How to enter the test mode PRESET • When pressed for less than 1 second : CD EJECT
While simultaneously press PRESET “1” key and PRESET “3” “5” key number display
key, press “RESET” button.
(Display) : _ _ _ X xxxx MAX 60,000 (times)
* The display is cleared by pressing the key for more

How to release the test mode
than 2 seconds.
Press “RESET” button. (The release cannot be achieved in
the conditions of POWER OFF and ACC OFF.) PRESET • When pressed for less than 1 second : Panel open/
“6” key close number display

Initial conditions of the test mode (Display) : _ _ _ X xxxx MAX 600,000 (times)
• The source is “STANDBY”. * The display is cleared by pressing the key for more
• The displays all lit up.
than 2 seconds.
• The volume is at –10dB (The display shows “30”.)
“FM” • ROM CORRECTION version display
• LOUD is “OFF”.
• SYSTEM Q is “NATURAL”. key (Display)
• BEEP is sounded at all time with the key depressed for less Effective : Rxxx (x : number)
than 1 second. Not effective (When not able to read) : R – – –
Not effective (When version is different) : R✳✳✳
Special displays when all indicator lights are lighted
“AM” • IC10 adjustment status (Refer to “ADJUSTMENT” on
When “PRESET” keys are pressed while all indicators for the
key the following page.)
STANDBY sources are lighted, the following displays will ap-
pear. (Display)
Adjustment complete : E2OK

PRESET • Version display (4 digits : month, date)
Adjustment not completed : E2ER
“1” key (4digits : hour, minute)
Communication error : ICER
(Display) : XXXX xxxx
* When other than “E2P _ OK _ _” , Pin No. 30 will
PRESET • Serial number display (4 digits) (4 digits)
become “H”.
“2” key (Display) : XXXX xxxx
“ ” • Mechanism error detection status
PRESET • When pressed for less than 1 second : POWER ON
key • Communication error → Error No. 1 → Error No. 2 →
“3” key time display (STANDBY source time is not counted.)
Error No. 3 → Communication error (Error No. 1 is the
(Display) : _ _ _ X xxxx MAX 60,000 (hours)
most recent error.)
(Display)
than 2 seconds.
Communication OK : ICOK
PRESET • When pressed for less than 1 second : CD operation
Communication error : ICER
“4” key time display
Not detected : En – – (n : 1~3)
(Display) : _ _ _ X xxxx MAX 60,000 (hours)
Detected : En✳✳ (✳✳ : error code)
than 2 seconds.
than 2 seconds.
9
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
SPECIAL MODE ADJUSTMENT
● DC offset error detection confirmation mode After replacing the following parts, adjust as follows.
Confirmation mode :
While depressing PRESET “3” key and PRESET “6” key REPLACED PARTS ADJUSTMENT ITEMS
simultaneously, press on the “RESET” button. Ref. No. Function / Parts name 1st AM MIX 2nd AM MIX FM antenna
(Display) Detected : DCER
IC10 E-VOL & TUNER YES YES YES
Not detected : DCOK
IC11 E2PROM YES YES YES
* By pressing “CLK” key while “DCER” is being displayed,
detection status is cleared. This will result in the display of L507 VCO COIL YES YES YES
“DCOK”. L508 1st AM MIX IFT YES - -
L509 2nd AM MIX IFT - YES -

Release Method : Press “RESET” button. L518 FM ANTENNA COIL - - YES
D504 VARIABLE YES YES YES
● Mechanism memory clear confirmation mode
CAPACITANCE DIODE
Confirmation mode :
While depressing “ATT” key and “Q” key simultaneously, D506 VARIABLE YES YES YES
press “RESET” button. CAPACITANCE DIODE

(Display) : MCLR X501 CRYSTAL RESONATOR YES YES YES
* Two seconds after the confirmation mode boots up, Mecha-
nism memory clear as a result is displayed. ● 1st AM MIX / 2nd AM MIX ADJUSTMENT
(Display) Clear status display normal completion : CD _ O ADJUSTMENT POINT : L508 (1st AM MIX) / L509 (2nd AM
Clear status display abnormal completion : CD _ – MIX)
VOLTAGE VALUE CHECK POINT : S-METER check land (X34-)
Release Method : Press “RESET” button. Adjust so that S-METER voltage value becomes maximum.
• SG setting
DESTINATION FREQUENCY MODULATION ANTENNA INPUT
Europe 999kHz OFF 35dBµV (EMF)
Except Europe 1000kHz OFF 35dBµV (EMF)
● FM ANTENNA ADJUSTMENT
ADJUSTMENT POINT : L518
VOLTAGE VALUE CHECK POINT : S-METER check land (X34-)
Adjust so that S-METER voltage value becomes maximum.
• SG setting
DESTINATION FREQUENCY MODULATION ANTENNA INPUT
Europe 87.5MHz OFF 5dBµV (LOAD) or
11dBµV (EMF)
Except Europe 87.9MHz OFF 5dBµV (LOAD) or
11dBµV (EMF)
10
A B C D E
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
PC BOARD 1
(COMPONENT SIDE VIEW) (FOIL SIDE VIEW)
SWITCH UNIT X16-294x-xx (J76-0055-02) SWITCH UNIT X16-294x-xx (J76-0055-02)
EJECT
S12
D50 R34
D49 D62
D52
AUTO
KI4
D53
KS1
KI5
D96
KI1
KI2
RESET
2
R23 R22
VO
R18
C21
R21
IC3
G D61
C61
VCC
KI3
PAN-SW5V
18 ED1
D51
R61
R33
6
D54
FL-SW9.8V
LED+B
R71
17
PAN5V
6
W1
D45 Q1
EB EB
R1
5
D48
W2
3
R2
Q2
RST
D44
4
D47
W12
W14
1
D43 W13
3
D46 40 21
41 20
4
IC1
D37
2
ILL-D-GND
D40 60 1
61 80
C10 R74
C15
R75
R70
J1
RTRY-CW
EB
1 Q21
D38 2
R11
W11
1
D41
FL+B
VFD-RST
R13
R14
DATAF CE
R15 5
CLK X16-294x-xx
R78
R77
DATAS Ref. No. Address

R16
REMO
R72
D39 IC1 4D
SRC
14 R17
D42 15 RTRY-CCW R19
Q21 5D
TDF-DET
D76
D77
D75
KS2
ESD-GND
D72
D73
D71
D74
Refer to the schematic dia-

66
gram for the values of resis-

R32
tors and capacitors.
R80
R82
R62
D33
Q
S11 D36
KS4
C63 6
C12
C11
KS3
D65
CP11
R63
R31
AUD
VOL
D34
D31
C65
D70
D64
C64
D32
ATT
D35
11
F G H I J
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
1 PC BOARD (FOIL SIDE VIEW)
ELECTRIC UNIT X34-3412-7x (J76-0048-12)
J1/L51
W375
W424
C51
D253
W351 W312
W419
D251
W352 W335
W425
D257
16 9 IC4
2
TH1
1 8 27 1
E
W423
W385
W251
W387
J1/ L51 26 2
R72 C256
W252
W393
W377
B
W379
W381
C71
W349
R303
W420
C257
D258
W357
W362
D57
W391
R73
W390
D254
Q72 D72 C258 C255
W398
C52
R254
W383
C6
W405 R253
Q73 B
D256
D252
D255
D73
D261
E Q71 W73 W72
R81
D71
W382
W406 W346
D55
E B E R273 R252
R54
C69 C4
W52
CC R58 R257
C72 C3
D74
D75
D52 R251
R272
W97
R21 C54
3 R59 B E R271
D302
R90
R52 R82 W331

W403
W413
B E C5 W96
C81 Q252
R53
D54
W416
R51
W418
Q51
W333
R89
1
W317
D81
C55
W366
D53
W363
W53
EB W323
R57
C73 BE W340
R83
R56
C53
R55
W51
L3
R61
R60
C74
W99 Q53 Q52 W313
W388
R87
W368/
D260
D259
W378
W316
W102
W380
W427
W395
W414
W399
W318
W426
L101
W392
R86
R256
W386
W98
R255
W321
W384
C75
IC3 C76
R85 R456 W338
D77 4 1
W328
C119 R435
D403
W91
C79
W409
C80 C201 IC6 R436

W329
W417
R454
W415
4 W370 5 8 W326 DATA 8

W394 C118 R438
W71 W83 W82 W327 CLK
R453
C78 R114 R437

R77 IC11
12
W342
W78
C82
C112
R78 16 9
R88 R76 W343
W371 1
C77 D76 X3 IC7 W344
W402 W373
R75 C113
W58
WH1
W332
R130
CC W372 R312
1 8
W336
5
E B E W358 LXCLK
C116 W70
L301
C117
W341
W79
Q74
W314
W359 LXDATAM
R131
R133
W374 W360 LXDATAS

W350
DATA
R113 R112
R432
W347
1
W396 W356
R151
SCL
R431
R135 R313 R193 C153 W80

5 W397
R439
R440
ADJ
W319
W407
R194 BU+5V
W421 R363
W325
W69
R181
R180
D203
R420
R359
R419
R353
W410
21 20
W81
W422
W364
1
W337
2
R360 W57 R418

W369
R356
R367
W361
R417
W353
AFS
W348
R433
W324
W320
W334
W315
W404
W330
R357
R413 C422 C420
R136
R364
R178
40 1 R470
R355
C154
CN2
R471
IC1
R137
41 80
W67
R411
C565
W345
R372
R365
W401 R412 C97

W68
R416
R414
R415
OEM-CLK
R358 R182
OEM-CE
R457
R191 R190
R366
R371 R100
R368 R450 TEST W365 R480
W408
6
R96
R351 60 61
23
W354 C407
R352
24
C152
W412
R369 R451 4 3 R199 W355 C408

R452
C411
R370
R200
BU5V W62
OEM-DATA
W64
W65
W59
W66
R441
W60
BE 1 2
R138
1
W322
R140 W376
W339
C2 C1 Q155 IC8 X1
C410
D402
W63
R139
RST P1
R141 J5
C409 L61
2
W389
1
W61
X2
D401
12
K L M N O
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
1
C333
L R
C334
2 3 4 8 12 11 13
W251
J2 1 5 7 6 10 9
56
R332 R336
R331 R335
J6
R338
R339
R309
R311
R310
R305
R307
R304
R303
R302
R306
R301
R308
255 W75
D303
D301
D304
C6 BE
W76 BE
Q351 Q352
C521
C302
C301
C522
D502
L518 L505
D306
D305
C303
C526
C525 L600 3
D302
C507
C524
L520 D503 L501 J4

R521
R520
E B Q330
C602
L521
W306
3 C516 L4
R522
C332 R594 C604 L506

D501 D3
C331 D504 C626

C527
C502 R501
W823
C541
C610
6 L507 C503
C625 C504 L502 X34-3412-7x
R502
C605
W308
R543 W302 R506

D506 C505 Ref. No. Address
W826 C545 C518 R504
C606
W806
W804
C600
W807
IC1 6I
C542
L601
C520 Q501
R435 W506
R544
C548 C547 C623 G C IC3 4G

R436 C506 C508
W833 W803 S B
VT IC4 2J
C553 R596
R503 R505
4
R605
8 5
C517
C531
C519
W814 C550 C544

W812 C509 IC6 4I
C543
R523
R507
R597
C549
R546
L604/R608 L503
W810
IC11
C589
L504 IC8 6H
R600
X501
C620 W808
C551 C628 W831 C510 IC10 5L
R545
L605/R607
1 4
C559 C514
W834/
IC11 4K
W835/
C513
R603
H1 21 20 C554
C620 R602
W820
C563 IC15 6K
C562 R566
5
R567 Q51 3I
W307
W311
W79
W309
W314
R565 Q52 3I
W93
C511
40 1 Q53 3H
L508
IC10
1
Q71 3G
C587 C584
41 80
R599
5
R589 C556
C561
Q72 2F
W832
W319
W802
C581
W92
W325
CF51
Q73 3F
R592
W801
R590
C582
W304
60 61 Q74 5H
C586 C564
C627
W310
R598
W305
C588
Q151 6L
R562
SD C579
W300
C590 W805 CF52 Q155 6H

W324
W320
W611 C585 C580

R1 R561
W315
C601
S-METER
C568 C512 C515 C583 Q252 3I
R591 L509
R2
R99
Q330 3K
C97 W605
W604
W94
R601
Q351 3L
C624
C96 CF53
TUNOUT Q352 3L
100
R97
R98
L602 W301 Q501 4L 6

R96
W85 W86
4
IC15 CF54
D162
W303
R160
R157
R153
R156
R158
2
W87
R162
R161
1
W322
R159
Q151
EB
W152
W90
W88 W89 R163
J5
R164
14 R152 R172
15
CN3
Refer to the schematic diagram for the values of 7

resistors and capacitors.
13
P Q R S T
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
1 PC BOARD (COMPONENT SIDE VIEW)
CD PLAYER UNIT X32-5750-00 (J76-0059-02)
R50
S4
R31
2 R86
R84
R88 C74
C76
R82
8 5
C61
C72
C62
IC4
C71
R47
R81
C75
S3 R87 1 4
C48 C73
R83
R46
R85
R42
C50
R49
3
CP2 X1
C46
C47 60 41
61 40
CP1
IC2
C33
4
80 21
1 20
C36
R41
C44 C45
R39
C31
R40
C43
C42
C41
S1
5
C10
D3
C15 R10
R9 C14
R53
BE
Q6
R36
R37 S2
6
X32-5750-00
Ref. No. Address
IC2 4S
IC4 2S
Q6 5R
7
Refer to the schematic diagram for the values of resistors and capacitors.
14
U V W X Y
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
PC BOARD (FOIL SIDE VIEW) 1
CD PLAYER UNIT X32-5750-00 (J76-0059-02)
TRK SLED
C51 C37
R51
R32
30 16
2
IC3
C78
R90
R92 D2
R89 FCS 1 15
R91 R72 R34
C77 C38 DRVMUTE
C49
R48
R33
SPDL
8EJE
Q4
LOE/LIM
BE
S.GND
Rch
R71
P50
P52
P51
P53
P54
S.7.5V
CP3 A.GND
LO/EJ
A.+8V
Lch
3
C100 1
SPDL+
MOTOR
R100
FOD
TRD
TVD
SPL
/MRST
CP5
CN2
C34
SBIO
/MSTOP
/MUTEL SLED OUT
/LOAD
SPDL-
C32 C101 C102
/MUTER
LOS
SLED IN
/EJECT 4
D.GND
12EJE
FCS DOWN
PON 24
LDCNT
/CLK
DATA
RW
BU.5V
FCS UP
Q3
R45
Q2
D.OUT
R38
R43
R44
C40
BE
BE
Vref 2
TRK OUT
R6 R7
GCTL GND AA
C8
C12
C7 C6
+ C1
TRK IN
R5
EB
C9
D/ARF
C2
C11 R4
C5
NRFDET VCC R14 Q1

C52
PWM
PD
LD
TBAL
16 1
OFT R15 16 CN1
FBAL
RFENV R52
TRCRS BDO D1
EB
R35 IC1
5
CP4
C39 Q5 1
R12
VR
R13
R1
17 32
C3
C18
A/TE
LDON
R8 R11 C
C17 VDET
R2
R3
C13 C16 B A
Vref
B/TE
IOP+
FE
TE
K24
E
F
GND
ARF
IOP-
RF
Vref
6
X32-5750-00
Ref. No. Address
IC1 5W
IC3 2W
Q1 5X
Q2 4X
Q3 4W
Q4 3V
Q5 5V
7
Refer to the schematic diagram for the values of resistors and capacitors.
15
A B C D E
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
1 DAUGHTER UNIT (X89-2690-10) ELECTRIC UNIT (X34-3xxx-xx)
2-PREOUT
TP1 MUTE L602
C221
R229 R221 10u16
100 + TP4
Q221 270
R601
C579
C624
0.01
0.01
C585
CN91
0.01
to 2-PRE OUT
CN90 4.7K
1
R225
30K
22K
TP2
L509
22K
L 1 1 MUTE
TP5 CF51 CF52
GND 2 2 VDD L508
Q222 TP6 10.700MHz 10.700MHz CF53
R226
Q225
R591
10.700MHz
30K
R 3 W101 3 FL
51K
4.7K
C222 TP7
R599
4 GND
77 3.5V C581
0.022
74 2.0V C582
C584
C587
100P
1u50
22
R230 R222 10u16
3900P
TP8
0.1
C601
0.068
0.022
C583
C590
C515
1u50
+
5 FR
+
+
100 270
75 2.0V
72 8.1V
64 8.1V
TP3
76 0V
61 0V
CF54
450.000kHz
(X89- ) Q221,222 : DTC143TUA or Q225 : DTA124EUA or
80
79
78
73
71
70
69
68
67
66
65
63
62
KRC410-P or KRA303-P or
FMMIX2IN1
AMMIX2OUT1
VCCIF1
IF1AMP1IN
IF1AMP2IN
AMREFDEMC
MIX1OUT2
AMDETC
FMMIX2IN2
VCC2
AMMIX2OUT2
FSTC
IF1AGCIN
GND
GND
IF1REF
IF1AMP1OUT
IF1AMP2OUT
AMAGC2TC
AMRFAGCTC
RT1N430M RT1P241M 8.2V
2 7.8V
TP506 AM : 3.0V
L4 FM : 0V AM : 8.0V
1 4.3V FM : 8.1V
J4 MIX1OUT1 AM : 4.9V 4.3V
TP507 FM : 4.5V 3.8V
C563
ANT. 0.47u50 8.1V AM : 4.1V
2.2V FM : 5.2V
+ 1.8V
C5
L600
D3
R565 2 AM : 4.2V AM : 0V 60 5.0V 10u

MUTETC FM : 0.2V FM : 4.0V VREF1
390K AM : 4.3V AM : 3.75V +
R594
L503 2.8V 59
AM : 3.1V
10
FM : 3.7V FM : 0V AMIFIN
C602
150P
1000uH C554 0.33 3 FM : 0V 58 0V

R605
AM RF AMP L504 DEVTC GND
10 R505 100uH C514 4 AM : 3.5V
AMMIX1IN2 FM : 0V R562
6.8uH
L501
R501
1K Q501 R507
0.01 R602 5
AMMIX1IN1 57 3.0V C588
22u10
6.8K 1K
C507
FMREFDEMC
+
C625
C506
100P
0.68
1.2K
56 C58
L502 C504 C513 AMIFREE
33uH 0.01 AM : 3.8V 55 TP504
0.01 AM : 1.8V FM : 0V MPXOUT
6
3.0V
C508 22u10
1500P
AMRFAGCOUT FM : 0V
C510 100P
R502 R503
C502
D501
C509 68P
54
2.2K 2.2K MPXIN
R506 1M
53 8.1V
R504
4.7
VCC
C503 0.1
IC10
4.7u16
C516
AM : 5V
C505
10P
3 0V
E-VOL & TUNER 3.0V IN2L
52 R1 100
FM : 0V 51 R2 100
7 IN2R
AMPINDR AM : 0V
50 3.8V C56
C524
R603 56 FM : 4.6V FSW

18P
8
FMPINDR 0V 49
9 AFS
C525 L520 FMMIX1IN1 48 0.6V
L506 0V 10 QUALITYOUT
15P 0.33uH ∗C605 11
GND
AM : 0V SMUTE
47 3.3V
L518 FMMIX1IN2 FM : 2.4V 46 5.0V
D502
D503
∗C606 12 FSU
10NH
L521
∗C604
TV1 R590
C531 13
AM : 5.5V 45 3.4V
FM : 4.3V DCOUT
R520 FMAGCTC 44 0.2V
C521 0.33uH
1
C519
C517
SSTOP
0.47
L505
220 R521 AM : 5.9V

4.0V 14
1.5K ∗C526 WINTC1 5.9V
FM : 0V
TP430
R522 C527 C589 4.7V 15
1000P
1000P
C522
C626
100P
3P MPTC
22K 1000P 0.1
C518
C520
0.47
R5
1
D504 4.0V 16 43 5.0V 47

WINTC2 WININ
R595 R604 8.1V 17 R5
VCC 5V TP431
C542 10 10 0V 42 0V 22
5P 3.9V 18 GND
41 4.0V
4 VCOB 3.0V 4.0V
VCC1 (DIG)
2.5V OUTRR
C541
C610
270P
C623 3.3V 19 VCOE

C544
1P
15P
ISSTC2
ISSTC1
OUTFR
OUTRL
LPOUT
OUTFL
L507 0.01 0V 20
VREF2
XTALG
XTALD
LPHC
VCC3
GND
IN1C
IN1R
GND
GND
IN1L
SDA
R543
SCL
LP
L519
R544 2.2K
5.6K
6800P
C545
21
31
4.7NH
22
32
23
25
26
28
29
30
33
35
36
38
39
40
24
27
8.1V 34
37
D506
RR
C543
8P
4.0V
X501 RL
0V
C559 3300P 0V
0V
0V
8.1V
R566 1K
R567 1K
FL
10 C620
0.01
C549 2200P
FR
R546 4.3K
R545 33K
C553 0.1
C551 10.250MHz
R
0.01
R597
22u10
G
0.022
TP501
C548
C547
+
0.033
C550
L
R596
10
+8V-A
(X89-2690-10)
CATEGORY/
FUNCTION
MODEL NAME
DESTI- DAUGHTER UNIT
NATION X89-2690-10
∗A R112 2.2K
32
E303/S J R113 2.2K
34
KDC-MP2028 K YES
TP317
5 CD RECEIVER
KDC-MP228 K
IC7 RDS DECODER
KDC-MP3029 M
16 R114
SW5V
(MP3/WMA)
FL+B
KDC-MP4029/G M 5V RDCL 15 64
KDC-W4031/Y E 0V 2.2K C112
14-SEGMENT T57
C116
330P
KDC-W409/Y E 1
4.332MHz
DISPLAY QUAL 10P

KDC-W431GY E 2 5V
X3
KDC-W4531/Y E RDDA 0V
2.5V 3 14
KDC-WF431A E VREF OSCOUT
2.5V 4 13 C113
2.2u50
KDC-228 K
C117
MPX OSCIN
+
KDC-2029 M 5.0V 5 12 5.0V 10P

OSEL VCC
11
65
63
60
12
13
10
14
KDC-3029 M YES 0V
6 11
9
CD RECEIVER KDC-3029R GND EXTRES

M 7 10 L101
R191
R161 R181
R182
R193
R160 R180
R190
R178
470K
2.2M
100K
2.2K
ARI 0V TM
470 470
470 470
470
KDC-3031A/Y E
14-SEGMENT KDC-3031G/Y TP314 8 FILOUT FSEL
9 4.7uH
E
10u16
C118
C119
R157 1K
R156 1K
0.01
DISPLAY
R159
KDC-309A E
1K
TP158 R158
∗R172
TP162 ∗R162
∗D162
100
R164
TP164 R163
KDC-309G E
TP163
TP154
TP155
470
1K
1K
1K
KDC-F331A E
TP166
TP161
TP160
TP159
TP157
TP156
KDC-F331G E
TP345
E202 J
RDT-101 J
CD RECEIVER KDC-1028 K YES 15 13 11 9 7 5
6 7-SEGMENT
KDC-128/CR
KDC-129/S
K
M
∗CN3
2 1
P1 14 12 10 8 6 4
J5
LED+B
ESD GND
VFD CE
FL+B
VFD RST
REMOTE
RST
TDF DET
VFD CLK
DISPLAY
RTRY CCW
VFD DATAS
VFD DATAF
KDC-229 M
KDC-2031SA/Y E WIRED
KDC-2031SG/Y E REMOTE
MD RECEIVER E303MD J
A 2/2 X16-
J1
16 X34-3412-7x (1/4)
6-
TP156
49
51
52
54
55
56
59
CF54
R156 1K
42 0V
58 0V
6
L602
RST 60
000kHz
41 4.0V
43 5.0V
44 0.2V
45 3.4V
46 5.0V
47 3.3V
48 0.6V
50 3.8V
53 8.1V
60 5.0V
TP431
TP430
TP154
5
FL+B FL+B RR
+
LED+B TP155
TP504
4
R2 100
R1 100
47K
22K
(LED+VFD)
R589
R592
C512
10u16
TP153
C586 1
R562 10M
57 3.0V C588 0.47
C561 0.1
R590 10K
R153
TP510
R
IC6
3
MUTE
RTRY CW 3
LOGIC
1
19
80
21
10K
10K
470
R436
R435
TP152
D203
0.01
C201
0V
0V
5V
R600
4.5V
R152 1 8 5.0V
4.7K
2.2
R561
2
C564 0.47
PAN5V R456 VCC
F
470K
R194
10 100K 7 5.0V
2
+
+
1
ILL D GND
0.01
L601
C600
C556
TP151 6
270P
C568
C562
10u10
100u10
5.0V 3
7
0V 4 5
GND
W826
0V
5V
3
+8V
1
C153
SW5V 43
10K
79
∗Q151
47K
5V SW
PANEL
∗W152
2SB1565
+5V
∗C
+8V
D401 R199
240
DSI
Q155
3,43
DSI
R453
1K
ILLUMI SW
R200
TP375
47K
G
36
D403
4.7K
R454
35 2
CN2
R365 4.7K SW5V 66
24
D-OUT TP351
TP352 R351 2.2K
CD DISC12
23
53
IC11
SW ∗R366
0V 1 8
R437 1K
R438 1K
27
29
TP414
A0 VCC
34
32
24
23
22
2SA1362
39
38
40
∗C152 0.1 ∗R372 470 2 7 0V R432
5.0V
A1 WP
TP409
TP410
4.7K
2SA1576A
DTA114EE
R352 2.2K 21
CD LOS SW
22
54
DTC143TUA
37
34
27
24
40
39
38
36
35
0V 33
30
29
28
26
25
23
32
22
MD LOS EJE
31
21
5.0V
TP353 R371 4.7K 19
R368
0V
5V
NC
TP354 470
VSS1
0V 3 6
PS1 1
PS2 1
PS2 2
CD/MD SCL 52
21
22K
∗R431
A2 SCL
LX RST
BU DET
LX CON
TUN SD
RESET2
R370 4.7K 0V 4 5
AUD SCL
0V
5V
AUD SDA
ACC DET
RDS DATA
LX REQ M
R369 GND SDA
RDS QUAL
VOL MUTE
20 0V R439
PWIC STBY
PWIC MUTE
TP355 470 TUN ADJ

CD/MD SDA 41
20
55 19 0V 2.2K
41 PS1 2
TUN FUNC OUT
TP356 RDS AFSL ∗R312
0V or 5V
42
0V
5V
0V
5V
0V
5V
18
19
AUDIO+B +8V 42 PS1 3 100K
LX CLK 18
0V
5V
C1 43
0V
5V
NC 17
0V
5V
0V
5V
TP357 0.47u50 44 LX DATA M 17 ∗R313
18
Lch L 16
H
+ NC
LX DATA S 16
0V
TP358 45 100K
0V
5V
4.9V
45 CD/MD MUTE
17
GND 15
46
5.0V
PWIC BEEP 15
E2PROM
C2 46 CD/MD MSTOP
0V
5V
14
0.5V or
54
49
48
TP359 0.47u50 47 TDF DET 14
0V
5V
E
16
Rch R 47 CD/MD LOE LIM SW
PIN No.
+ 48
13
2SD1858
R367 100K 48 CD LOEJ
15
CD/MD MUTE R ROTARY CCW 13
C
TP360 49
0V
5V
49 CD MOTOR 12
TP361 R353 1K 50 VFD CE 12
B
11
14
MD RECEIVER
CD/MD MUTE L 45 50 CD DISC8 SW
0V
5V
VFD RST 11
MD LOAD
TP362 R355 1K
MD EJECT
51 10
13
CD/MD MRST 51 51 CD/MD MRST VFD CLK 10
PIN NAME
0V
5V
TP363 R356 1K 52 9
0V
5V
52 CD/MD SCL VFD DATAS 9

0V
5V
12
CD/MD MSTOP 46
MD LOS EJE SW
53 8
53 CD DISC12 SW VFD DATAF 8
∗IC1
∗R364 4.7K
54 7 5.0V
0V
5V
54 CD LOS SW AVREF1
CD DISC8 TP364 ∗R357 2.2K 55
to CD or MD PLAYER UNIT (X32- or X33- )

SW 50 55 CD/MD SDA 6 0V or 5V
11
0V
5V
TUN TYPE2
SYSTEM u-COM
TP365 R358 2.2K ∗R450 470 5 0V or 5V

0V 56
10
CD/MD LOE LIM 47 TUN TYPE1
0V
5V
TP405 OEM DISP CE 4 0V

SW R363 4.7K ∗R451 470 0V 57 AVSS
TP366 SW5V
TP406 OEM DISP CLK
9
0V
5V
0.4V
BU5V
1
∗R452 470
0V
5V
0V 58
1.6V
C565
TP367 OEM DISP DATA 3

TP407
8
4V
DGND 59 ROTARY CW 3
DSI 2
7
I
DGND LINE MUTE 2

0V
0V
2SC4081
60 1
4.0V
3.4V
6
D5V TP369 RESET DC ERR 1
0V
5V
0V
5V
5
D5V +5V
CD LOEJ TP371 R359 100 0V or 5V
4
48
MD LOAD
0V
5V
CD MOTOR TP372 R360 2.2K
3
49
0V
5V
MD EJECT
TP373
AVDD
RDS CLK
PON FL
REMOTE
TEST
TUN SMETER
NC
VDD0
LX REQ S
X2
XT2
TYPE 3
KEY REQ
VSS0
RDS NOISE
TYPE 2
VDD1
X1
XT1
TYPE 1
2
SERVO+B SERVO+B
TP408
TP374
61
62
63
64
65
66
69
70
73
76
77
78
79
80
SERVO
S-METER
R433
1
GND 2.2K
67 0V
71 0V
TP432
80
10K
68 5.0V
74 5.0V
75 5.0V
72 R457
60
63
65
C420 R440
X2
1000P 47K
R96 R97 R99 R98
C97
+
R100
2.7K
47u16
2.2K
TP411
27K 3.3K 100K 1K 32.768KHz

∗R470
R417
W365
C411
100K
TP404
∗R412 ∗R411
∗R480
22K
18P
22P
0.22
5
3
C407
C408
1
10K
∗R471
22K 22K
IC8
R418
47K
1.4V
R441
NC
0V
CTL
∗R414 ∗R413
GND
22K
IC15
D402
4 1
VSS OUT
X1
2 22K 22K
3
X34-3412-7x (2/4)
5.0V
VDD
0V
5V
J
0V
100P
11.4V
C422
NC
RESET
∗R416 ∗R415
OUT
VCC
10.000MHz
4
2
22K 22K
VFD REGULATOR
C96
0.47u50
14.4V +
64
79
L61
+
0.01
C410
C409
17
KDC-2031SA/2031SAY
100u6.3
4.7uH
KDC-2031SG/2031SGY
+5V
2
K L M N O
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
∗D REAR ∗E
MUTE
GND
VDD
L R LX BUS F1 10A (F52-0006-05)

FR
FL
∗WH1 J6 J2 J1 9 10 11 12 13 14 15 16 FUSE
1 2 3 4 5
1 5 9 8 7 6 5 4 3 2 1
TP339 TP338
P-CON
REAR L+
REAR L-
PHONE
REAR R-
GND
REAR R+
P-ANT
140uH B.U.
FRONT L-
FRONT R-
FRONT L+
ACC
FRONT R+
TP9
2 6 10
TP16
TP340
13
TP341
L51
TP342
TP343
TP344
∗C333 ∗C334 3 7 11 TP10

680P 680P C51
4 8 12 3300u16
TP11
TP1
TP12
TP2
TP13
TP15
TP3
TP5
TP6
TP8
TP14
TP4
TP7
R339
R338
MUTE
REQ S
CLK
Q351
DATA M
100
100
DATA S
+
REQ M
Lch R335 R336 D57
CON
GND
TP306 A GND
B.U.
Lch
Rch
RST
PRE
30K 30K
RR+
FR+
RL+
RR-
FL+
FR-
RL-
FL-
MUTE
SW Q351 Q352
TP303
TP302
TP301
TP304
TP308
TP312
TP307
TP311
TP313
TP310
TP305
TP309
PHONE
Q352
P-CON
P-ANT
4.7K
4.7K
ACC
Rch
PRE
R331
10u16 R332
270
270
MUTE
R301
R302
C303 R306
R304 4.7K
R307 4.7K
R309 4.7K
R305 4.7K
R308 4.7K
R303 100
R310 100
R311 100
47u10 4.7
10
C301 10
SW
Q330
10u16
C331
C332
0.47
C302
0.47
22K
+
+
RR
FR
RL
FL
22K
D301
D302
D306
D305
D303
D304
Q351,352
23
24
R
7
L
MUTE DRIVER
22
66
18
16
17
2
BU
ACC
PHONE
P-CON
P-ANT
R58 3.3K ∗D72

∗R81
10K
R52 R51
1/2W
∗R72 4.7K
R59
33K
39K 68K
∗R82
D52
R54 D53
C54
∗D74
Q71
R53 SERGE 0.01 ∗C81
D54
D73 (X34- )
20K
DET SERVO +B
∗
22K
100K R60 0.01 CONTROL IC1 :
ACC 22K 22K
∗D81
D75
R73 4.7K
D55 10K DET ∗W51 SW IC3 : BD4912-V4
22K
IC4 : ∗
R55
Q51
10K
IC6 : TC7W02FU-F
C55 LINE IC7 : E-TDA7479AD
∗R83
0.01
Q53 R61 MUTE Q72
1.5K
R21
IC8 : S-80836CNNB-G
1000P
C53
R56
10K
22K D71 SERVO +B IC10 : E-TDA7516

R57 22K AVR IC11 : BR24L04FV-W
C69 0.47 Q73 IC15 : BA00CCWT
+5V
BU DET Q52
36
35
SW5V
C71
TH1 : PRF21BE471QB2
+5V
47u16
+
SERVO+B Q51-53,155 : 2SC4081
BU Q71,74 : UMC2N
POWER Q72 : 2SB1565(E,F)
SUPPLY Q73 : 2SD1858
3
Q151 : DTA114YUA or
W420
IC3
14.4V
14.4V
6.8V
6.8V
6.9V
TP71 KRA307-P or
0V
0V
0V
0V
0V 1 RT1P144M
GND Q252 : 2SA1576A or
∗R89 ∗C73
11
13
15
17
19
21
23
25
27
C52
1
3
5
7
9
KTA2014P(Y,GR) or
∗IC4 1000P 1 0.1 10.2V 2
VCC1
PWGND1
ILM
TAB1
2SA1063A
MUTE
VCC2
PWGND2
SVR
IN2
PWGND3
PWGND4
IN4
STBY
ACGND
TAB2
4.7uH
TP73 14.4V 3 Q330 : DTA124EUA or

POWER IC P.ANT
R90 C72 KRA303-P or
1 0.1 RT1P241M
5V 6.8V 4.5V VDD
10V TP72 Q351,352 : DTC143TUA or
0V 0V 0V 14.4V 4
4.3V P.CON KRC410-P or
2.0V 8.1V 5 RT1N430M
4.8V 7.0V AM
6.9V 6.9V 7.0V 0V Q501 : HN3G01J(BL)-F
TP74 14.4V 6
OFFDET
∗B ∗B VCC1
OUT2+
OUT1+
OUT3+
OUT4+
OUT2-
OUT1-
OUT3-
OUT4-
8.1V
SGND
7
+8V AUDIO D3 : IMSA-6801-E
HSD
IN1
IN3
5.0V 8 D52,54,305,306 : MAZ4068N-M

SW5V SW5V
D53 : UDZS6.8B or
D251
D252
D258
D256
D255
D253
D254
D257
TP420 5.0V 9
+5V
12
22
2
10
16
18
20
26
6
8
14
24
4
+5V VDD 02DZ6.8F-Y

13.6V 10
VCC2 D55,261 : 1SS355
0V
6.8V
6.8V
TP26 11
SEL1 D57 : S2V60∗A
12 D71 : MAZ4082N-L
SEL2
VDD D72,74,75,251-253,255-258
22uH
RR+
FR+
RL+
RR-
FL+
FR-
L3
RL-
FL-
14.4V 4.6V : D1F60-5063 or

2.3V 1SR154-400
TP27
TP25
TP28
0V
D77
∗W252 ∗W346 D73,77,254 : AM01ZNF or

TP315 Q74 10EDA20
D76 TP30
D76,402,403 : DAN202U or
KDS121-P or
22K
C76 0.1 R85 1
C75 0.1 R86 1
C74 0.1 R87 1
C77 0.1 R88 1

C4 0.22u50
C3 0.22u50
C5 0.22u50
C6 0.22u50
22K
TP316
MC2848
∗W368
∗R256 ∗D260
D261
∗W251
D259
C80 100u25
C78 100u25
C257
1u50
+
C79 22u10
22K D81 : UDZS4.7B or

R271
∗R251
C256
1u50
+
100
+
22K
C258 1u50
02DZ4.7F-Y
D162,301-304 : MAZ4062-L
+
R254 10
∗C255
+
R253
4.3K
R133 R131 R130

∗R255
∗R257
D203,259,260 : 1SS133
RR
FR
RL
R252 TP31
FL
TH1
4.7
D401 : B30-1567-05
R272
Q252
10K
47K
D501 : RN739F
C82 0.022
R75 10K
R76 10K
R77 10K
R78 10K
4.7
Q74 IC3 D502,503 : KP2311ETR-G

R273
470K
IC4 D504 : KV1430STL-G

STBY CONTROL
SW D506 : HVC383B-E
43
29
27
15
4.7
3
SW
41
42
40
39
38
R141 R140 R139 R138 R137 R136 R135 SIGNAL LINE

2.2 4.7 4.7 4.7 4.7 4.7 4.7 GND LINE
FL+B
B LINE
KDC-2031SA/2031SAY/2031SG/2031SGY (1/2)
DTA124EUA UMC2N DAN202U DA204U

DTC124EUA DTA114YUA
18 X34-3412-7x (3/4)
P Q R S T
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
(X34-3xxx-xx) 1
CATEGORY/ DESTI- C333, C605, D72,
FUNCTION MODEL NAMENATION X34-340x-xx X34-341x-xx X34-365x-xx A B C D E C73 C81 C152 C255 334 C526 C604 606 CN3 74 D81 D162 D260 Q151 IC1
E303/S J 0-01 - - - YES YES YES YES YES YES - 33u - YES 68P 6P - YES YES YES YES YES 784225GC256A
CD RECEIVER KDC-MP2028 K 0-10 - - - YES YES YES YES YES YES - 33u - - 47P 1P - YES YES YES YES YES 784225GC256A
(MP3/WMA) KDC-MP228 K 0-11 - - - YES YES YES YES YES YES - 33u - - 47P 1P - YES YES YES YES YES 784225GC256A
KDC-MP3029 M 0-22 - - - - YES YES - YES YES - 10u - - 47P 1P - YES YES YES - YES 784225GC256A
KDC-MP4029/G M 0-21 - - - YES YES YES YES YES YES - 33u - - 47P 1P - YES YES YES YES YES 784225GC256A
14-SEGMENT KDC-W4031/Y E
2-72 - - YES YES YES YES - - YES - 33u YES - 47P 1P YES YES YES YES YES YES 784225GC256A
DISPLAY KDC-W409/Y E
KDC-W431GY E 2-73 - - - - YES YES - - YES - 10u YES - 47P 1P - YES YES - - YES 784225GC256A
KDC-W4531/Y E 2-71 - - YES YES YES YES YES - YES - 33u YES - 47P 1P YES YES YES YES YES YES 784225GC256A
KDC-WF431A E 2-74 - - YES - YES YES - - YES - 10u YES - 47P 1P YES YES YES YES - YES 784225GC256A
KDC-228 K - 0-10 - - - YES YES YES YES YES - 10u - - 47P 1P - YES YES YES - YES 784225GC257A
CD RECEIVER KDC-2029 M - - 0-22 - - YES YES YES YES YES - 10u - - 47P 1P - YES YES YES - YES 784225GC257A
KDC-3029 M - - 0-23 - - YES YES YES YES YES - 10u - - 47P 1P - YES YES YES - YES 784225GC257A
KDC-3029R M - - 0-21 YES - YES YES YES - YES - 10u YES - 47P 1P - YES YES YES - YES 784225GC257A
KDC-3031A/Y E - 2-71 - YES - YES YES - - YES - 10u YES - 47P 1P YES YES YES YES - YES 784225GC257A
14-SEGMENT KDC-3031G/Y E - 2-72 - YES - YES YES - - YES - 10u YES - 47P 1P YES YES YES YES - YES 784225GC257A
DISPLAY KDC-309A E - 2-71 - YES - YES YES - - YES - 10u YES - 47P 1P YES YES YES YES - YES 784225GC257A 2
KDC-309G E - 2-72 - YES - YES YES - - YES - 10u YES - 47P 1P YES YES YES YES - YES 784225GC257A
KDC-F331A E - 2-73 - YES - YES YES - - YES - 10u YES - 47P 1P YES YES YES YES - YES 784225GC257A
KDC-F331G E - 2-74 - YES - YES YES - - YES - 10u YES - 47P 1P YES YES YES YES - YES 784225GC257A
E202 J - - 0-00 - - YES - - YES - - 10u - YES 68P 6P - - - - - YES 784225GC258A
CD RECEIVER RDT-101 J - - 0-01 - - YES - - YES - - 10u - YES 68P 6P - - - - - YES 784225GC258A
KDC-1028 K - 0-11 - - - YES YES - YES YES - 10u - - 47P 1P - YES YES YES - YES 784225GC258A
KDC-128/CR K - 0-12 - - - YES YES - YES YES - 10u - - 47P 1P - YES YES YES - YES 784225GC258A
7-SEGMENT KDC-129/S M - - 0-25 - - YES YES - YES YES - 10u - - 47P 1P - YES YES - - YES 784225GC258A
DISPLAY KDC-229 M - - 0-24 - - YES YES - YES YES - 10u - - 47P 1P - YES YES - - YES 784225GC258A
KDC-2031SA/Y E - 2-75 - - - YES YES - - YES - 10u YES - 47P 1P - YES YES - - YES 784225GC258A
KDC-2031SG/Y E - 2-76 - - - YES YES - - YES - 10u YES - 47P 1P - YES YES - - YES 784225GC258A
MD RECEIVER E303MD J 0-02 - - - - - - YES YES YES YES 10u - YES 68P 6P - - YES - - - 784225GC259A
CATEGORY/ DESTI- R312, R357,

FUNCTION MODEL NAME NATION X34-340x-xx X34-341x-xx X34-365x-xx IC4 R72 R81 R82 R83 R89 R162 R172 R251 R255 R256 R257 313,480 364 R366 R372 R411 R412 R413 R414
E303/S J 0-01 - - E-TDA7560A YES YES 47K 100K YES YES - 33K 220 22K 30K YES YES 4.7K - - YES - YES
CD RECEIVER KDC-MP2028 K 0-10 - - E-TDA7560A YES YES 22K 47K YES YES YES 33K 220 22K 30K YES - 4.7K - YES - YES -
(MP3/WMA) KDC-MP228 K 0-11 - - E-TDA7560A YES YES 22K 47K YES YES YES 33K 220 22K 30K YES - 4.7K - YES - YES - 3
KDC-MP3029 M 0-22 - - TB2904HQ YES YES 22K 47K YES YES - 150K 330 150K 12K - - 4.7K - YES - YES -
KDC-MP4029/G M 0-21 - - E-TDA7560A YES YES 22K 47K YES YES - 33K 220 22K 30K YES - 4.7K - YES - - YES
14-SEGMENT KDC-W4031/Y E 2-72 E-TDA7560A YES YES 22K 47K - YES YES 33K 220 22K 30K - - 4.7K - - YES YES -
- -
KDC-W431GY E 2-73 - - TB2904HQ YES YES 22K 47K - - - 150K 330 150K 12K - - 4.7K - YES - - YES
KDC-W4531/Y E 2-71 - - E-TDA7560A YES YES 22K 47K - YES YES 33K 220 22K 30K YES - 4.7K - - YES YES -
KDC-WF431A E 2-74 - - TB2904HQ YES YES 22K 47K - YES YES 150K 330 150K 12K - - 4.7K - - YES - YES
KDC-228 K - 0-10 - TB2903HQ YES YES 22K 47K YES YES YES 150K 330 150K 12K YES - 4.7K - YES - YES -
CD RECEIVER KDC-2029 M - - 0-22 TB2903HQ YES YES 22K 47K YES YES - 150K 330 150K 12K YES - 4.7K - YES - - YES
KDC-3029 M - - 0-23 TB2903HQ YES YES 22K 47K YES YES - 150K 330 150K 12K YES - 4.7K - - YES - YES
KDC-3029R M - - 0-21 TB2903HQ YES YES 22K 47K - YES - 150K 330 150K 12K YES - 4.7K - YES - - YES
KDC-3031A/Y E - 2-71 - TB2904HQ YES YES 22K 47K - YES YES 150K 330 150K 12K - - 4.7K - - YES YES -
14-SEGMENT KDC-3031G/Y E - 2-72 - TB2904HQ YES YES 22K 47K - YES YES 150K 330 150K 12K - - 4.7K - - YES YES -
DISPLAY KDC-309A E - 2-71 - TB2904HQ YES YES 22K 47K - YES YES 150K 330 150K 12K - - 4.7K - - YES YES -
KDC-309G E - 2-72 - TB2904HQ YES YES 22K 47K - YES YES 150K 330 150K 12K - - 4.7K - - YES YES -
KDC-F331A E - 2-73 - TB2904HQ YES YES 22K 47K - YES YES 150K 330 150K 12K - - 4.7K - - YES YES -
KDC-F331G E - 2-74 - TB2904HQ YES YES 22K 47K - YES YES 150K 330 150K 12K - - 4.7K - - YES YES -
E202 J - - 0-00 TB2903HQ - - 47K - YES - - 150K 330 150K 12K - YES 4.7K - - YES - YES
CD RECEIVER RDT-101 J - - 0-01 TB2904HQ - - 47K - YES - - 150K 330 150K 12K - YES 4.7K - - YES - YES
KDC-1028 K - 0-11 - TB2903HQ YES YES 22K 47K YES YES - 150K 330 150K 12K - - 4.7K - YES - YES - 4
KDC-128/CR K - 0-12 - TB2904HQ YES YES 22K 47K YES YES - 150K 330 150K 12K - - 4.7K - YES - YES -
7-SEGMENT KDC-129/S M - - 0-25 TB2904HQ YES YES 22K 47K YES - - 150K 330 150K 12K - - 4.7K - YES - - YES
DISPLAY KDC-229 M - - 0-24 TB2903HQ YES YES 22K 47K YES - - 150K 330 150K 12K - - 4.7K - YES - - YES
KDC-2031SA/Y E - 2-75 - TB2904HQ YES YES 22K 47K - - - 150K 330 150K 12K - - 4.7K - - YES YES -
KDC-2031SG/Y E - 2-76 - TB2904HQ YES YES 22K 47K - - - 150K 330 150K 12K - - 4.7K - - YES YES -
MD RECEIVER E303MD J 0-02 - - TB2904HQ - YES 47K 100K YES - - 150K 330 150K 7.5K YES - 100K YES - YES - YES
CATEGORY/ DESTI- R431, R450- W251,

FUNCTION MODEL NAME NATION X34-340x-xx X34-341x-xx X34-365x-xx R415 R416 470 452 R471 W51 W152 346,368 W252 WH1
E303/S J 0-01 - - YES - - - YES - - - YES -
CD RECEIVER KDC-MP2028 K 0-10 - - YES - - YES YES - - - YES YES
(MP3/WMA) KDC-MP228 K 0-11 - - YES - - YES YES - - - YES -
KDC-MP3029 M 0-22 - - - YES - - YES - - YES - -
KDC-MP4029/G M 0-21 - - YES - - - YES - - - YES -
14-SEGMENT KDC-W4031/Y E 2-72 - - - YES YES - - YES - - YES -
KDC-W431GY E 2-73 - - - YES - - YES YES - YES - - 5
KDC-W4531/Y E 2-71 - - YES - YES - - YES - - YES -
KDC-WF431A E 2-74 - - - YES YES - - YES - YES - -
KDC-228 K - 0-10 - YES - - YES YES - - YES - -
CD RECEIVER KDC-2029 M - - 0-22 - YES - - YES - - YES - -
KDC-3029 M - - 0-23 - YES - - YES - - YES - YES
KDC-3029R M - - 0-21 YES - YES - - YES - YES - -
KDC-3031A/Y E - 2-71 - - YES YES - - YES - YES - -
14-SEGMENT KDC-3031G/Y E - 2-72 - YES - YES - - YES - YES - -
DISPLAY KDC-309A E - 2-71 - - YES YES - - YES - YES - -
KDC-309G E - 2-72 - YES - YES - - YES - YES - -
KDC-F331A E - 2-73 - - YES YES - - YES - YES - -
KDC-F331G E - 2-74 - YES - YES - - YES - YES - -
E202 J - - 0-00 - YES - - YES - - YES - -
CD RECEIVER RDT-101 J - - 0-01 - YES - - YES - - YES - -
KDC-1028 K - 0-11 - - YES - - YES - - YES - YES
KDC-128/CR K - 0-12 - - YES - - YES - - YES - -
7-SEGMENT KDC-129/S M - - 0-25 - YES - - YES - - YES - -
DISPLAY KDC-229 M - - 0-24 - YES - - YES - - YES - -
KDC-2031SA/Y E - 2-75 - - YES - - YES YES - YES - -
KDC-2031SG/Y E - 2-76 - YES - - - YES YES - YES - -
-
6
MD RECEIVER E303MD J 0-02 - - YES - - - YES - YES YES -
CAUTION : For continued safety, replace safety critical components

only with manufacturer’s recommended parts (refer to parts list).
Indicates safety critical components. To reduce the risk of electric
shock, leakage-current or resistance measurements shall be carried
out (exposed parts are acceptably insulated from the supply circuit)
before the appliance is returned to the customer.
• DC voltages are as measured with a high impedance voltmeter.

Values may vary slightly due to variations between individual 7
instruments or/and units.
X34-3412-7x (4/4) 19
U V W X Y
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
SWITCH UNIT (X16-294x-xx)
1
S12 1a 2m 2a 3a
a a 1m 3m 4m
1h 3h 4h
f b S13 f b 1f 1b 2f 2b 3f 3b 4f
g S15 S16 g 2g
1g
e c S14 e c 2j 3g
S13 1e 1k 1j
1c 2e 2c 3e 3c 4e
d 1n 2n 3n 4n
d
1d 2d 3d
(3G) (1GB) (2G)

2
R80 33
S51
S41
S52
S42
S50
S49
S48
S46
S45
S43
S40
S39
S38
S36
S35
S33
S47
S44
S37
S34
G1
G3
1W
R82 33
49 TP149 W12
41 TP141 W13
1W
61 TP161
51 TP151
62 TP162
52 TP152
42 TP142
66 TP165
63 TP163
60 TP160
59 TP159
53 TP153
50 TP150
48 TP148
46 TP146
45 TP145
43 TP143
40 TP140
64 TP164
57 TP157
54 TP154
47 TP147
44 TP144
65
58
56
55
P31
P21
3G
P32
P22
P36
P35
P33
P30
P29
P28
1GB
P26
P25
P23
P20
P19
P18
F+
F+
P34
P27
P24
P17
3G 1GB 2
3
1a 2a 3a 4a
col
PAN ∗A
P37
P38
REMOTE TP32
SW5V SENSOR
1
TP102 2
ED1
TP101
10K
IC3 (7-SEGMENT)
10K
R22 100
GND
VCC
VO
Q21
S8
S7
0V 1
2
2.2 5.0V 3
D96 KEY MATRIX

KI1 KI2 KI3 KI4 KI5
4 KS1 FM AM
100K
C21
R21
KS2 DISP 6 5 4 3
KS3 2 1 Q or EQ AUD ATT KS1
5V KS4 SRC EJECT
0V
PANEL
IC3
KS5
12
DET
KS1
KS2
KS3
KS4
KS2
TP49
TP48
TP46
TP47
S11
S12
S10
S13
S15
S16
S14
S2
S3
S5
S6
S8
S9
S4
S7
FL+B
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
J1
TP31
KS1
S11
S1
KS2
S12
S2
KS3
S10
S13
S15
S16
KS4
S3
S5
S6
S8
S9
S14
S4
S7
ILL D GND 1
KS3
TP30
PAN5V 2
TP29 R77 1K 61 5V 11.25V
5 RTRY CW 3
R11
3 KS5 0V 0V
470 62
D71 KS6 40 T
TP41 63 S17 S17
KI1 KI1 39
TP28 S18 S18 KS4
LED+B 4 TP42 64 38
KI2 KI2 5V S19 S19
TP27 37
FL+B 5 FL+B TP43 65 0V S20 S20
KI3 KI3 36
TP26 S21 S21
RST 6 6 TP44 66
KI4 KI4 35
TP25 R13 S22 S22
X34- VFD RST 7 76 TP45 67 34
J5 470 KI5 KI5 S23 S23
D72 68 33
ON P1 S24 S24
5V 69 32
1/2 TP24 R14
0V P2 S25 S25
VFD DATAF 8 77 OFF 70 IC1 11.25V 31
220 P3 0V S26 S26
D73 71 30
A P4 VFD DRIVER S27 S27
TP23 R15 72 29
VSS S28 S28
VFD CE 9 78 28
C15
47P
470
C10
D74 S29 S29

2.2
73 27
OSCO S30 S30
6 VFD CLK 10
TP22 R16
79 R74
R75 74
OSCI 5.0V S31
26
25
D33 D32 D31
470 D75 4.7 20K 75 S32 S32

VDD 24
76 5V S33 S33
RST
TP21 R17 76 BLK 0V 23
VFD DATAS 11 80 R72 S34 S34
470 22
D76 S35 S35
∗R18 4.7K
R70 77 21
TP20 1K 77 DO S36 S36
REMOTE 12 12 220 78 5V
TP19 R19 78 CE 0V
RTRY CCW 13 13 79
79 CL 11.25V
470 D77 80 11.25V
80 DI 0V 0V
VFL
S52
S51
S50
S49
S48
S47
S46
S45
S44
S43
S42
S41
S40
S39
S38
S37
TP18 TP70
G1
G2
G3
TDF DET 14
TP17
11
1
2
12
10
13
15
16
18
19
20
3
5
6
8
9
14
17
4
ESD GND 15
S51
S41
S52
S42
S50
S49
S48
S47
S46
S45
S44
S43
S40
S39
S38
S37
G1
G2
11.25V
20 X16-294x-xx (1/2)
Z AA AB AC AD
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
ANODE CONNECTION CAUTION : For continued safety, re- 1
PIN
3G 2G 1GA,1GB
place safety critical components only
NAME
S3 S2 with manufacturer’s recommended parts
4a P1 2b 2b —
4m
P2 1b 1b — (refer to parts list).
S5 S1 S4
4h P3 4a 4a — Indicates safety critical components.
b 4f 4b S11 S7 S6 P4 3a 3a — To reduce the risk of electric shock,
4g S1 S1 P5 2a 2a —
P6 1a 1a — leakage-current or resistance measure-
S9 S8
4j P7 — 4m ments shall be carried out (exposed
4e 4c
P8 3m parts are acceptably insulated from the
4n
P9 2m
supply circuit) before the appliance is
4d returned to the customer.
S10 P10 1m
(1GA) P11 3b 3b
• DC voltages are as measured with a 2
P12 4b 4b
high impedance voltmeter. Values
P13 — 1h S1
may vary slightly due to variations
S21
S32
S22
S35
S33
S30
S29
S28
S26
S25
S23
S20
S19
S18
S16
S34
S27
S24
S17
P14 — 3h S2
G1
G2
P15 — 4h S3 between individual instruments or/

P16 1f 1f S4 and units.
41 TP141 W13
P17 2f 2f S5
31 TP131
42 TP142
40 TP140
39 TP139
38 TP138
30 TP130
29 TP129
28 TP128
26 TP126
25 TP125
20 TP120
18 TP118
27 TP127
24 TP124
P18 3f 3f S6
P19 4f 4f S7
P20 1g 1g S8
37
36
35
34
33
32
23
22
21
19
P21 2g 2g S9
P11
P1
2G
P12
P2
P19
P18
P16
P15
P13
P10
P9
P8
P6
P5
P3
F-
F-
P17
P14
P7
P4
1GA
P22 3g 3g S10
P23 4g 4g
2G 1GA P24 1e 1e
P25 2e 2e S11
P26 3e 3e a
P27 4e 4e b 3
P28 1c 1k f
P29 2c 1j g
P30 3c 2j c
YES
YES
W1 W2
| | | |
P31 4c 4j e
P32 1d 1c d
YES
YES
YES
YES
| |
P33 2d 2c
R18 R61 R62 R63

300 300 470
620 560 560
620 560 560

620 620 620
B30-1567-05 YES 1K 680 680
1K 680 680
P34 3d 3c S12
P37
P38
P39
P40
P41
P42
P43
P35 4d 4c S13
P36 col 1d S14
TP111 11
1
TP112 12
TP102 2
TP110 10
TP113 13
TP115 15
TP116 16
TP103 3
TP105 5
TP106 6
TP108 8
TP109 9
TP114 14
TP117 17
TP104 4
TP107 7
P37 — 2d S15
TP101
P38 — 3d S16
P39 — 4d — | | | | |
P40 — 1n —
S11
S12
S10
S13
S15
S14
S2
S8
S9
S6
S5
S3
S7
S4
YES YES B30-1729-05

B30-1575-05
B30-1533-05
B30-1567-05
B30-1533-05
P41 — 2n —
D61-65
P42 — 3n —
TP56
P43 — 4n — 4
KS1 6
C C61-65
TP55
6
5
4
| | | | |
S12
RESET
YES
YES
YES
| |
CP11 10K S11

0-10 YES YES
YES
1
2
3
| | | |
TP57
B
3 VOL
KS2
| | | | |
A
IC3
VOL
DESTI- UNIT
2-71
0-01
0-21
0-21
0-02
NATION No.
13
AUDIO
0.01
0.01
DISP 6 5 4 3
C11
C12
TP58 TP51 TP52 TP53

M
M
E
E
K
K
J
J
KS3
TP54 ESD GND
(X16-294x-xx)
KDC-2031SG/Y
KDC-2031SA/Y
MODEL NAME
5
KDC-128/CR
KDC-129/S
KDC-1028
TP59 TP69
KDC-229
RDT-101
7 2 1 Q or EQ ATT
E202
8 KS4
9
0
1 ED1 : 3-BT-223N
2 SRC EJECT TP62 TP63 TP65
TP61
IC1 : LC75756W
3
KI1
KI2
KI3
KI5
KI4
IC3 : PNA4S22M
4
5 Q21 : DTA114EE or
6 KRA302E-P or
R31
R32
R33
R34
470
470
470
470
∗R61
∗R62
∗R63
7 RT1P141U
8
9 ∗C D31-33,37-39,43-45,49-51,70
: B30-1567-05 (COLOR:RED)
0 D34-36,40-42,46-48,52-54
∗C61 0.01
∗C63 0.01
: Refer to the parts list. 6

∗D61
∗D63
D70
:∗
D33 D32 D31
D54 D53 D52

D42 D41 D40
D45 D44 D43
D48 D47 D46
D51 D50 D49

D36 D35 D34
D39 D38 D37
2 D61-65
D71-77 : UDZS5.6B or
3
02DZ5.6F-Y
4 D96 : DA204U
∗C62 0.01
∗C64 0.01
∗C65 0.01
5
∗D62
∗D65
∗D64
6 GND LINE
B LINE
∗B
∗W1
∗W2
KDC-2031SA/2031SAY/ 7
2031SG/2031SGY (2/2)
X16-294x-xx (2/2) 21
AE AF AG AH AI
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
1
CD PLAYER UNIT (X32-5750-00)
C33
0.1
RFENV
29
27
1000P
1000P
Rch Lch
C101
C102
D.GND
C34 0.1
A/TE
4.80V
22
29
23
27
24
TRCRS
R81
C32 0.1
R82
18K
18K
FE
2.50V
4.90V
2.50V
4.80V
2.45V
2.40V
2.40V
C72 C71
BU+5V
0V
0V
0V
0V
0V
470P 470P
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
R86
R83
R85
R84
20K
20K
12K
12K
MSEL1
2
AVSS1
AVDD1
VREFP
FE
TE
MSEL0
TRCRS
NC
NC
NC
NC
NC
ASEL
CSEL
OUTR
RFENV
OUTL
AVDD2
DVSS3
IC4 L.P.F. 0V
3.10V 5 4
GND 0V 41
3.10V 6 3 3.10V HOT 2.40V 1.25V
20
R100 C100 42 1.70V IREF
8EJE SW 19
C74
68P
2 3.10V 10 1000P 43 PLLF2

12EJE/SDET SW 0V
18
C73
68P
3.84V 7 R42 PLLF
4.7K 4.80V 44 17
7.80V 8 1 LOE/LIM SW 0.87pp RFSW
VCC 45 16
3.84V NC ARF
46 15
NC DSLF
R88
R87
330
330
C76 C75 47 14
2200P 2200P NC AVSS2
48 13
NC 4.80V DVSS1
C62 49 12
NC DVDD1
0.1 4.80V 50
C78 C77
DVDD2
3.0pp IC2 0-4.8V
11
51 DSLB
0.1 0.1 X1 CD SIGNAL PROCESSOR 10 4
3 R92 R91 5.0pp bult in LDON
9
52 MECHANISM CONTROL BDO
5.6K 5.6K X2 8
MICRO PROCESSOR 0V OFT
A.GND
53 7
3.9K
3.9K
X1
R90
R89
16.934MHz DVSS2 NRFDET

54 6
XSUB1 FBAL
55 5
0V NC 2.40V TBAL
A+5V 4.80V 56 4
TEST1 PWM
R
4.80V 57
TEST2
58
NC
59 3
D2 NC 4.80V 2.35V NC
4.80V 60 2
DRV MUTE
OCD CLK
SPL
R72
200
MUTE R
MUTE L
MSTOP
CD-RW
DVDD3
A+8V 5V REG 2.40V TVD
MCNT
XSEL
SBIO
DATA
P.ON
FOD
TRD
RST
CLK
NC
NC
NC
NC
TX
61
71
62
72
63
65
66
68
69
70
73
75
76
78
79
80
64
67
74
77
2.40V
4
4.90V
4.90V
0-4.9V
0-4.9V
0.15V
4.80V
0V
0V
0V
0V
0V
0V
61
62
R46
R49
27K
47K
CP5 C48
100K 6800P
C50
4700P
79
80
C46
C47
0.1
0.1
SBIO
63
65
66
68
CN2
D.OUT 24
C36
2.2
S2
12EJE SW 23
R44
12EJE SW
10K
R43
S1 1K
ANALOG
LOS SW 22
5 +8V SW
LOS SW Q4 D5V
CLK 21 CP1 100 4.7K Q2
DATA 20 66 DIGITAL
10K
68 +5V SW
A8V 19
Lch 18 L
A.GND 17 Q3
22K
Rch 16 R A.GND SW
22K
MUTE R 15 CP2 100 IC3

to MAIN UNIT
MUTE L 14 61 4ch BT
62 DOWN & LIMIT DRIVE
SWITCH
MRST 13 63
MSTOP 12 65 S3
6
8EJE SW 11
LOE/LIM SW 10
BU5V 9
D.GND 8
BCLK 7
LRCK 6
SRDATA 5
0V SPDL
LO/EJ 4 5
0V
MOTOR 3 4
7.80V
S7V 2 S7V
0V
S.GND 1
22 X32-5750-00 (1/2)
AJ AK AL AM AN
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
1
CAUTION : For continued safety,

ARF
C2 replace safety critical compo-
2.2
IOP+ R4 IOP-
nents only with manufacturer’s
10
recommended parts (refer to
0.033
C10
C3
R14 100K
4700P
3300P
6800P
R7 3.6K parts list).
C11
C12
1
C9
C1
10
APC
RF Indicates safety critical com-
39P
C8
C6
Q1
1
C7 R6
NRFDET
0.1 3.3K ponents. To reduce the risk of
BDO
OFT
7
9
electric shock, leakage-current
3.3K
C5
R5
R41
47K
RF 2P or resistance measurements
AMP
13 3.94V
11 4.16V
10 2.50V
3.38V
1.44V
shall be carried out (exposed 2
4 2.47V
3 4.90V
2 3.81V
1 0.17V
C45 0.1
IC1
16 0V
15 0V
14 0V
12 0V
C44 1000P
parts are acceptably insulated
9
8
7
6
5
C43 2200P
D1 from the supply circuit) before
20
RFIN
RFN
LD
PD
GND
VCC
BDO
CBDO
OFTR
COFTR
ARF
NRFDET
CEA
T3OUT
CAGC
RFOUT
REF
19
the appliance is returned to the
R40 C42
LLF2
18 820 0.047 customer.
PLLF 0.95pp 0.95pp
17 R39 100K 2.50V
FSW C41 0.91pp R15
16 1000P 4.7K • DC voltages are as measured
TEOUT
FEOUT
TEBPF
ARF
VREF
VDET
GCTL
with a high impedance volt-
FBAL
TBAL
15 2.45V
TEN
FEN
DSLF
meter. Values may vary
C
E
A
F
14 0V
VSS2 21
31
22
32
18
19
20
23
2.50V 25
2.50V 26
2.50V 28
29
30
17
3.06V 24
2.50V 27
13 slightly due to variations be-
C31
0.1
VSS1
12
VDD1 VDET R8 R11
tween individual instruments
R38 C40
27K 33K or/and units.
2.69V
2.69V
2.69V
11 220K 0.015 2.50V B/TE
DSLB
R3 5.6K
R2 5.6K
2200P
C15
10 4.80V R10 C13 C16
240K
910K
3
R12
R13
DON
9 100K 270P 330P
BDO 9
8
3.9K
R36
CD
10K
OFT 8
R9
C14 R35
A
E
B
5
6
F
7 4700P 39K
FDET 7
6.2K
R37
6 4 2.00V
FBAL 6
C17 0.1
C18 0.1
0.01
C39
5 CN1
22
23
24
TBAL 5 4.80V
GCTL
4 VREF 1 VCC
PWM 4 2.50V
2 VC
CP4 0V
4.7K 3 GND
3 R1 4 LD
NC 91 0V
2 5 VR
SPL 2 0.17V
1 6 PD
TVD 1 2.69V
CP3 CD 7 C+D
1.8K
D3 2.50V
E 8 E
2.69V
A 9 A
2.40V R53 R52 2.69V
D.5V
4.7K 4.7K
D5V
B
2.69V
10 B 4
F 11 F
C48 0V
6800P
Q6 Q5 Q5,6 12 GND
3.84V
CURRENT 15 13 FCS+
C50 AMP 3.81V
17 14 TRK+
4700P 3.81V
C52
16 15 TRK-
0.1
R45 3.84V
14 16 FCS-
10K
D.GND
DPU1
(X92- )
80
TRK SLED
1
5
3.9K
R31
OPTICAL
R50
27K
R51 R32
5
10K 10K TRK IN PICKUP

19
18
R71
13K
C51 C37
680P 0.01 17
16
3.60V
3.60V
3.81V
3.81V
30 7.80V
29 2.35V
28 2.35V
27 2.35V
26 2.35V
25 2.35V
7.80V
0V
0V
24 0V
TRK OUT
SIGNAL LINE
23
22
21
20
19
18
17
16
GND LINE
IC3
LDIN
PREVCC
INSL-
VCC2
IN3-
GND
INSL+
OUT3
OUTSL
CNT
VO4-
VO3-
VO4+
VO3+
B LINE
4ch BTL
DRIVER
SLED OUT (X92- )
/LOAD
PREGND
DM2
MUTE
OUT2
OUT1
VCC1
VO1+
VO2+
VO1-
VO2-
BIAS
GND
IN1+
M
IN2-
IN1-
19
IC1 : AN22002A-V 6
18 IC2 : MN6627771KP
1
11
12
2.35V 2
0V 10
13
15
2.40V 3
2.35V 5
2.45V 6
8
9
2.35V 4
14
2.35V LOADING & IC3 : BA5824FP-F

SLED IN SLED IC4 : NJM4580M1-ZB
7.80V
3.50V
3.90V
3.84V
3.84V
FCS UP
4.90V
/EJECT MOTOR
C49 C38 15 Q1 : 2SB0970
1500P 0.01 SPDL-
FCS R47 14 DM1 Q2 : 2SA1362(Y)
2.2K R48 Q3 : DTC124EUA
79 12 M Q4 : DTA143XUA
12
13
10K FCS DOWN

R33 R34 C61 Q5 : 2SC4081
SPDL 18K 10K 2.2 13
2 Q6 : 2SA1576A
S.7.5V SPDL+
SPINDLE
S7V MOTOR D1 : DAN202U
D2 : MAZS0510L
S.GND D3 : DA204U
X32-5750-00 (2/2) 23
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
EXPLODED VIEW (CD MECHANISM)
A B
37 43
F
43
51 F
1
43
55 56 43
37
2 37
36
33 Jx2 37
H 53
850 Bx2
834
5 32
849
41
807
809 35
33
DPU1
22
8
G 806
E
40 Ax2
15
44
2 39 Cx2 801
42
45
DM2
23
38
10 11 18
30 27 17
29 19
26 28
12
13 31 25
14 16
DFPC1 24
DM1
K
3 (X32) 52
A φ2x8 : N09-4460-05
B M1.7x8.0 : N09-4472-15
C M1.7x2.5 : N09-6004-05
E M2x2 : N09-6007-05 858
F φ2x5(BLK) : N09-6051-05 K
G 1.6 WASHER : N19-2163-04 F
H M2x2 : N39-2020-46
J M2x3.5 : N09-6108-05
K φ2x6 : N09-6155-05
24 Parts with the exploded numbers larger than 700 are not supplied.
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
EXPLODED VIEW (UNIT)
C D
D
223x2
DC1
201
209 268 207

1 Dx2
DME1
242
A : N29-0205-04
B : N80-2006-48
C : N80-2008-43
D : N83-3005-48
E : N86-2610-48
F : N80-3010-48
G : N83-3005-48
H : N83-3020-48
J : N86-2606-48 224
221
237 FC1 (X34)
204 785
236
A H
222 Hx2
2 F
Cx2 705
G
F
206
Cx2
F1
771 772
(X16-)
Ex2
D
(X34-)
J
238 B
253
226
732
254 241
210 D
213
255 B
708
3 252
251
257
PA1
D
259
261
701
Parts with the exploded numbers larger than 700 are not supplied. 25
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
PARTS LIST
✽ New parts
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.
A N Desti- A N Desti-
Ref. No. d e Parts No. Description Ref. No. d e Parts No. Description
d w nation d w nation
KDC-2031SA/2031SAY/2031SG/2031SGY 268 1C T90-0523-05 ANTENNA ADAPTOR
268 1C T90-0534-05 ANTENNA ADAPTOR
201 1C ✽ A02-2736-03 PLASTIC CABINET ASSY
204 2C A22-2863-13 SUB PANEL ASSY DME1 1D ✽ X92-5090-00 MECHANISM ASSY
206 2C ✽ A46-1815-01 REAR COVER
207 1D ✽ A52-0804-12 TOP PLATE
SWITCH UNIT (X16-294x-xx)
PA1 3C ✽ A64-3461-02 PANEL ASSY D31-33 B30-1567-05 LED (RED) E4E7
D34-36 B30-1533-05 LED (PG) E5E6
- B46-0100-50 WARRANTY CARD E4E5 D37-39 B30-1567-05 LED (RED) E4E7
- B46-0182-14 ID CARD E4E5 D40-42 B30-1533-05 LED (PG) E5E6
- B46-0606-04 ID CARD E7E6 D43-45 B30-1567-05 LED (RED) E4E7
- ✽ B64-2937-00 INST. MANUAL (ENGLISH)
- ✽ B64-2938-00 INST. MANUAL (FRE, GER, DUT) E4E5 D46-48 B30-1533-05 LED (PG) E5E6
D49-51 B30-1567-05 LED (RED) E4E7
- ✽ B64-2938-00 INST. MANUAL (ITA, SPA, POR) E4E5 D52-54 B30-1533-05 LED (PG) E5E6
- ✽ B64-2942-00 INST. MANUAL (RUSSIAN) E7E6 D61-65 B30-1533-05 LED (PG) E5E6
209 1C ✽ B07-3122-01 ESCUTCHEON D61-65 B30-1567-05 LED (RED) E4E7
210 3C ✽ B19-2304-03 LIGHTING BOARD
213 3C B43-1518-04 BADGE D70 B30-1567-05 LED (RED)
221 2C D10-4446-03 LEVER C10 CK73GB0J225K CHIP C 2.2UF K

222 2C D10-4447-03 LEVER C11,12 CK73GB1H103K CHIP C 0.010UF K
223 1C D10-4589-04 LEVER C15 CC73GCH1H470J CHIP C 47PF J
224 2C D21-2329-04 SHAFT
J1 ✽ E59-0840-05 RECTANGULAR PLUG
226 3C ✽ E29-2027-02 CONDUCTIVE RUBBER
DC1 1C ✽ E30-6413-05 DC CORD CP11 RK74HB1J103J CHIP-COM 10K J 1/16W
DC1 1C ✽ E30-6427-05 DC CORD R11 RK73GB2A471J CHIP R 470 J 1/10W
FC1 2D ✽ E39-0718-05 FLAT CABLE R13 RK73GB2A471J CHIP R 470 J 1/10W
R14 RK73GB2A221J CHIP R 220 J 1/10W
F1 2D F52-0006-05 FUSE (MINI BLADE TYPE) (10A) R15-17 RK73GB2A471J CHIP R 470 J 1/10W
F1 2D F52-0023-05 FUSE (MINI BLADE TYPE) (10A)
R19 RK73GB2A471J CHIP R 470 J 1/10W
236 2C G01-2987-04 TORSION COIL SPRING R31-34 RK73FB2B471J CHIP R 470 J 1/8W
237 2C G01-3096-04 EXTENSION SPRING R61 RK73EB2E102J CHIP R 1.0K J 1/4W E4E7
238 3C ✽ G01-3244-04 COMPRESSION SPRING R61 RK73EB2E621J CHIP R 620 J 1/4W E5E6
R62,63 RK73EB2E561J CHIP R 560 J 1/4W E5E6
- ✽ H10-4919-12 POLYSTYRENE FOAMED FIXTURE
- H25-0329-04 PROTECTION BAG (280X450X0.03) E7E6 R62,63 RK73EB2E681J CHIP R 680 J 1/4W E4E7
- H25-0337-04 PROTECTION BAG (180X300X0.03) R70 RK73GB2A221J CHIP R 220 J 1/10W
- H25-1111-04 PROTECTION BAG (280X450X0.03) E4E5 R72 RK73GB2A472J CHIP R 4.7K J 1/10W
- ✽ H54-3308-03 ITEM CARTON CASE (KDC-2031SA) E4 R74 RK73GB2A4R7J CHIP R 4.7 J 1/10W
R75 RK73GB2A203J CHIP R 20K J 1/10W
- ✽ H54-3309-03 ITEM CARTON CASE (KDC-2031SG) E5
- ✽ H54-3317-03 ITEM CARTON CASE (KDC-2031SAY) E7 R77 RK73GB2A102J CHIP R 1.0K J 1/10W
- ✽ H54-3318-03 ITEM CARTON CASE (KDC-2031SGY) E6 R80 ✽ RK73SB3A330J CHIP R 33 J 1W
R82 ✽ RK73SB3A330J CHIP R 33 J 1W
241 3C ✽ J19-7046-01 HOLDER W1 R92-1252-05 CHIP R 0 OHM J 1/16W E5E6
242 1C J21-9716-03 MOUNTING HARDWARE ASSY W2 R92-1252-05 CHIP R 0 OHM J 1/16W E4E7
251 3C ✽ K24-4279-04 PUSH KNOB (CLK) W12,13 R92-1252-05 CHIP R 0 OHM J 1/16W
252 3C ✽ K24-4280-04 PUSH KNOB (EJECT)
253 3C ✽ K24-4281-04 PUSH KNOB (RELEASE) S12 S70-0106-05 TACT SWITCH
254 3C ✽ K25-1689-03 PUSH KNOB (ATT/Q)
255 3C ✽ K25-1690-02 PUSH KNOB (SRC/PRESET/RESET) S11 ✽ T99-0457-05 ROTARY ENCODER
257 3C ✽ K29-7132-03 KNOB ASSY (VOL) D71-77 UDZS5.6B ZENER DIODE

259 3C ✽ K29-7134-03 KNOB BASE (FM/AM) D71-77 ✽ 02DZ5.6F-Y ZENER DIODE
261 3C ✽ K29-7140-03 KEY TOP (FM/AM) ED1 ✽ 3-BT-223N FLUORESCENT INDICATOR TUBE
IC1 ✽ LC75756W MOS-IC
A 2C N29-0205-04 RETAINING RING (1.5) Q21 DTA114EE DIGITAL TRANSISTOR
B 3C N80-2006-48 PAN HEAD TAPTITE SCREW
C 2C N80-2008-43 PAN HEAD TAPTITE SCREW Q21 ✽ KRA302E-P DIGITAL TRANSISTOR
D 3D ✽ N83-3005-48 PAN HEAD TAPTITE SCREW Q21 RT1P141U TRANSISTOR
E 2D ✽ N86-2610-48 BINDING HEAD TAPTITE SCREW
E4 : KDC-2031SA E5 : KDC-2031SG E6 : KDC-2031SGY E7 : KDC-2031SAY Indicates safety critical components.
(E : Europe K : North America M : Other Areas W : Without Europe)
26
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
PARTS LIST
CD PLAYER UNIT (X32-5750-00) R8 RK73GB2A273J CHIP R 27K J 1/10W
R9 RK73GB2A392J CHIP R 3.9K J 1/10W
C1 C93-1215-05 CERAMIC 10UF K R10 RK73GB2A104J CHIP R 100K J 1/10W
C2 CK73FB1A225K CHIP C 2.2UF K R11 RK73GB2A333J CHIP R 33K J 1/10W
C3 CK73GB0J105K CHIP C 1.0UF K R12 RK73GB2A244J CHIP R 240K J 1/10W
C5 CC73GCH1H020C CHIP C 2.0PF C
C6 CC73GCH1H390J CHIP C 39PF J R13 RK73GB2A914J CHIP R 910K J 1/10W
C7 CK73GB1C104K CHIP C 0.10UF K R15 RK73GB2A472J CHIP R 4.7K J 1/10W
C8 CK73GB0J105K CHIP C 1.0UF K R31 RK73GB2A273J CHIP R 27K J 1/10W
C9 CK73GB1H472K CHIP C 4700PF K R32 RK73GB2A103J CHIP R 10K J 1/10W
C10 CK73GB1C333K CHIP C 0.033UF K
C14 CK73GB1H472K CHIP C 4700PF K R37 RK73GB2A622J CHIP R 6.2K J 1/10W
C15 CK73GB1H222K CHIP C 2200PF K
C17,18 CK73GB1C104K CHIP C 0.10UF K R40 RK73GB2A821J CHIP R 820 J 1/10W
C31-34 CK73GB1C104K CHIP C 0.10UF K R41 RK73GB2A473J CHIP R 47K J 1/10W
C36 CK73FB1A225K CHIP C 2.2UF K R42 RK73GB2A472J CHIP R 4.7K J 1/10W
C37-39 CK73GB1H103K CHIP C 0.010UF K
C40 CK73GB1H153K CHIP C 0.015UF K R43 RK73GB2A102J CHIP R 1.0K J 1/10W
R44,45 RK73GB2A103J CHIP R 10K J 1/10W
C42 CK73GB1E473K CHIP C 0.047UF K R47 RK73GB2A222J CHIP R 2.2K J 1/10W
C45-47 CK73GB1C104K CHIP C 0.10UF K R49 RK73GB2A473J CHIP R 47K J 1/10W
C49 CK73GB1H152K CHIP C 1500PF K R52,53 RK73GB2A472J CHIP R 4.7K J 1/10W
C52 CK73GB1C104K CHIP C 0.10UF K R72 RK73FB2B201J CHIP R 200 J 1/8W
R81,82 RK73FB2B183J CHIP R 18K J 1/8W
C61 CK73FB1A225K CHIP C 2.2UF K R83,84 RK73FB2B203J CHIP R 20K J 1/8W
C62 CK73GB1C104K CHIP C 0.10UF K R85,86 RK73FB2B123J CHIP R 12K J 1/8W
C71,72 CK73GB1H471K CHIP C 470PF K R87,88 RK73FB2B331J CHIP R 330 J 1/8W
C73,74 CC73GCH1H680J CHIP C 68PF J
C75,76 CK73GB1H222K CHIP C 2200PF K R89,90 RK73GB2A392J CHIP R 3.9K J 1/10W
R91,92 RK73GB2A562J CHIP R 5.6K J 1/10W
C77,78 CK73GB1C104K CHIP C 0.10UF K R100 RK73GB2A100J CHIP R 10 J 1/10W
C100-102 CK73GB1H102K CHIP C 1000PF K
S1,2 S68-0863-05 PUSH SWITCH
CN1 E41-2068-05 FLAT CABLE CONNECTOR S3 S68-0862-05 PUSH SWITCH
CN1 E41-2085-15 FLAT CABLE CONNECTOR
CN2 E41-2083-05 FLAT CABLE CONNECTOR D1 DAN202U DIODE
D2 MAZS0510L ZENER DIODE
X1 L78-0851-05 RESONATOR (16.934MHZ) D3 DA204U DIODE
IC1 ✽ AN22002A-V ANALOGUE IC
CP1 RK74GA1J101J CHIP-COM 100 J 1/16W IC2 MN6627771KP MOS-IC
CP2 RK74GB1J101J CHIP-COM 100 J 1/16W
CP3 RK74GB1J182J CHIP-COM 1.8K J 1/16W IC3 BA5824FP-F ANALOGUE IC
CP4 RK74GB1J472J CHIP-COM 4.7K J 1/16W IC4 NJM4580M1-ZB ANALOGUE IC
CP5 RK74GB1J104J CHIP-COM 100K J 1/16W Q1 2SB0970 TRANSISTOR
Q2 2SA1362(Y) TRANSISTOR
R1 RK73GB2A910J CHIP R 91 J 1/10W Q3 DTC124EUA DIGITAL TRANSISTOR
R4 RK73FB2B100J CHIP R 10 J 1/8W Q4 DTA143XUA DIGITAL TRANSISTOR
R5,6 RK73GB2A332J CHIP R 3.3K J 1/10W Q5 2SC4081 TRANSISTOR
R7 RK73GB2A362J CHIP R 3.6K J 1/10W Q6 2SA1576A TRANSISTOR

27
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
PARTS LIST
ELECTRIC UNIT (X34-3412-7x) C531 CK73FB1C105K CHIP C 1.0UF K
C541 CC73GCH1H271J CHIP C 270PF J
D401 B30-1567-05 LED (RED) C542 CC73GCH1H050C CHIP C 5.0PF C
C543 CC73GCH1H080D CHIP C 8.0PF D
C1,2 CD04AT1HR47M ELECTRO 0.47UF 50WV C544 CC73GCH1H150J CHIP C 15PF J
C3-6 C90-5684-05 ELECTRO 0.22UF 50WV
C3-6 ✽ C90-6735-05 ELECTRO 0.22UF 50WV C545 CK73GB1H682K CHIP C 6800PF K
C51 C90-5683-05 ELECTRO 3300UF 16WV C547 CD04AT1A220M ELECTRO 22UF 10WV
C52,53 CK73GB1H102K CHIP C 1000PF K C548 CK73GB1E223K CHIP C 0.022UF K
C548 CK73GB1H223K CHIP C 0.022UF K
C54,55 CK73GB1H103K CHIP C 0.010UF K C549 CK73GB1H222K CHIP C 2200PF K
C69 CK73GB1A474K CHIP C 0.47UF K
C71 CD04AS1C470M ELECTRO 47UF 16WV C550 CK73GB1E333K CHIP C 0.033UF K
C72 CK73GB1H104K CHIP C 0.10UF K C550 CK73GB1H333K CHIP C 0.033UF K
C74-77 CK73GB1C104K CHIP C 0.10UF K C551 CK73GB1H103K CHIP C 0.010UF K
C553 CK73GB1C104K CHIP C 0.10UF K
C78 ✽ CD04AT1E101M ELECTRO 100UF 25WV C554 CK73GB1A334K CHIP C 0.33UF K
C79 CD04AS1A220M ELECTRO 22UF 10WV
C80 ✽ CD04AT1E101M ELECTRO 100UF 25WV C556 CK73GB1H103K CHIP C 0.010UF K
C81 CK73GB1H103K CHIP C 0.010UF K C559 CK73GB1H332K CHIP C 3300PF K
C82 CK73GB1E223K CHIP C 0.022UF K C561 CK73FB1H104K CHIP C 0.10UF K
C562 CD04AT1A100M ELECTRO 10UF 10WV
C82 CK73GB1H223K CHIP C 0.022UF K C563 CD04AT1HR47M ELECTRO 0.47UF 50WV
C96 CD04AS1HR47M ELECTRO 0.47UF 50WV
C97 CD04AS1C470M ELECTRO 47UF 16WV C564 CK73GB1A474K CHIP C 0.47UF K
C153 CK73GB0J105K CHIP C 1.0UF K C565 CK73FB1C105K CHIP C 1.0UF K
C201 CK73GB1H103K CHIP C 0.010UF K C568 CC73GCH1H271J CHIP C 270PF J
C255 CD04AS1C100M ELECTRO 10UF 16WV C581 CC73GCH1H101J CHIP C 100PF J
C256 CD04AS1H010M ELECTRO 1UF 50WV
C257 CD04AT1H010M ELECTRO 1UF 50WV C582 CK73GB1E223K CHIP C 0.022UF K
C258 CD04AS1H010M ELECTRO 1UF 50WV C582 CK73GB1H223K CHIP C 0.022UF K
C331,332 CD04AT1C100M ELECTRO 10UF 16WV C583 CK73GB1C683K CHIP C 0.068UF K
C333,334 CC73GCH1H681J CHIP C 680PF J C584 CD04AT1H010M ELECTRO 1UF 50WV
C408 CC73GCH1H180J CHIP C 18PF J C585 CK73GB1H103K CHIP C 0.010UF K
C409 CD04AS0J101M ELECTRO 100UF 6.3WV C586 CK73GB0J105K CHIP C 1.0UF K
C410 CK73GB1H103K CHIP C 0.010UF K C587 CK73GB1C104K CHIP C 0.10UF K
C588 CK73GB1A474K CHIP C 0.47UF K
C411 CK73GB1A224K CHIP C 0.22UF K C589 CK73GB1C104K CHIP C 0.10UF K
C422 CC73GCH1H101J CHIP C 100PF J C590 CK73GB1H392K CHIP C 3900PF K
C502 CK73GB1H152K CHIP C 1500PF K C600 CD04AT1A101M ELECTRO 100UF 10WV
C503 CK73GB1C104K CHIP C 0.10UF K C601 CK73GB1E223K CHIP C 0.022UF K
C504 CK73GB1H103K CHIP C 0.010UF K C602 CC73GCH1H151J CHIP C 150PF J
C505 CD04AT1C4R7M ELECTRO 4.7UF 16WV
C506 CK73GB1A684K CHIP C 0.68UF K C604 CC73GCH1H470J CHIP C 47PF J
C507,508 CD04AT1A220M ELECTRO 22UF 10WV C605,606 CC73GCH1H010C CHIP C 1.0PF C
C509 CC73GCH1H680J CHIP C 68PF J C610 CC73GCH1H010C CHIP C 1.0PF C
C510 CC73GCH1H101J CHIP C 100PF J C623,624 CK73GB1H103K CHIP C 0.010UF K
C512 CD04AT1C100M ELECTRO 10UF 16WV
C513,514 CK73GB1H103K CHIP C 0.010UF K C625,626 CC73GCH1H101J CHIP C 100PF J
C515 CD04AT1H010M ELECTRO 1UF 50WV
C516 CC73GCH1H100D CHIP C 10PF D CN2 ✽ E41-2244-05 FLAT CABLE CONNECTOR
J1 E58-0991-05 RECTANGULAR RECEPTACLE
C517,518 CK73FB1C105K CHIP C 1.0UF K J4 E04-0326-05 RF COAXIAL CABLE RECEPTACLE
C519,520 CK73FB1C474K CHIP C 0.47UF K J5 ✽ E58-0992-05 RECTANGULAR RECEPTACLE
C521,522 CC73GCH1H102J CHIP C 1000PF J J6 E63-0898-05 PIN JACK
C525 CC73GCH1H150J CHIP C 15PF J P1 E23-0745-05 TERMINAL
W251 E31-0001-00 JUMPER WIRE
C527 CC73GCH1H102J CHIP C 1000PF J W300-302 E31-0001-00 JUMPER WIRE
28
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
PARTS LIST
ELECTRIC UNIT (X34-3412-7x)
W304-311 E31-0001-00 JUMPER WIRE R60 RK73GB2A103J CHIP R 10K J 1/10W
W326-329 E31-0001-00 JUMPER WIRE R72,73 RD14BB2C472J RD 4.7K J 1/6W
W331-337 E31-0001-00 JUMPER WIRE R75-78 RK73GB2A103J CHIP R 10K J 1/10W
W339-341 E31-0001-00 JUMPER WIRE R81 RD14BB2C103J RD 10K J 1/6W
W346,347 E31-0001-00 JUMPER WIRE R82 RK73GB2A223J CHIP R 22K J 1/10W

W355-357 E31-0001-00 JUMPER WIRE R85 RK73GB2A1R0J CHIP R 1.0 J 1/10W
W361-366 E31-0001-00 JUMPER WIRE R86 RK73EB2E1R0J CHIP R 1.0 J 1/4W
W368-372 E31-0001-00 JUMPER WIRE R87,88 RK73GB2A1R0J CHIP R 1.0 J 1/10W
W374-393 E31-0001-00 JUMPER WIRE R90 RK73GB2A1R0J CHIP R 1.0 J 1/10W

W395-399 E31-0001-00 JUMPER WIRE R96 RK73GH2A273D CHIP R 27K D 1/10W
W401-410 E31-0001-00 JUMPER WIRE R97 ✽ RK73GH2A332D CHIP R 3.3K D 1/10W
W412-427 E31-0001-00 JUMPER WIRE R98 RK73EB2E102J CHIP R 1.0K J 1/4W
W801 E31-0001-00 JUMPER WIRE R99 RK73GB2A104J CHIP R 100K J 1/10W
W830 E31-0001-00 JUMPER WIRE R100 RK73GB2A272J CHIP R 2.7K J 1/10W

R130,131 RK73EB2E4R7J CHIP R 4.7 J 1/4W
CF51-53 ✽ L72-0805-05 CERAMIC FILTER (10.7MHZ) R133 RK73EB2E4R7J CHIP R 4.7 J 1/4W
CF54 ✽ L72-0804-05 CERAMIC FILTER (450KHZ) R135-140 RK73EB2E4R7J CHIP R 4.7 J 1/4W
L3 L33-1978-05 CHOKE COIL (22UH) R141 RK73EB2E2R2J CHIP R 2.2 J 1/4W
L4 ✽ L33-2260-05 CHOKE COIL (52UH)
L51 L33-1988-05 CHOKE COIL ASSY (140UH) R152 RK73EB2E100J CHIP R 10 J 1/4W
R153 RK73EB2E471J CHIP R 470 J 1/4W
L61 L40-4795-91 SMALL FIXED INDUCTOR (4.7UH, J) R156,157 RK73EB2E102J CHIP R 1.0K J 1/4W
L501 L40-6891-58 SMALL FIXED INDUCTOR (6.8UH) R158 RK73EB2E101J CHIP R 100 J 1/4W
L502 L40-3301-58 SMALL FIXED INDUCTOR (33UH) R159 RK73EB2E102J CHIP R 1.0K J 1/4W
L503 L40-1021-56 SMALL FIXED INDUCTOR (1UH)
L504 L40-1011-58 SMALL FIXED INDUCTOR (100UH) R160,161 RK73EB2E471J CHIP R 470 J 1/4W
L505 ✽ L40-3381-58 SMALL FIXED INDUCTOR (0.33UH) R164 RK73EB2E102J CHIP R 1.0K J 1/4W
L506 ✽ L31-0977-15 FM-RF COIL R178 RK73EB2E471J CHIP R 470 J 1/4W
L507 ✽ L32-0941-15 FM OSCILLATING COIL R180,181 RK73GB2A471J CHIP R 470 J 1/10W
L508 ✽ L30-0776-15 FM IFT
L509 ✽ L30-0777-15 AM IFT R182 RK73GB2A222J CHIP R 2.2K J 1/10W
L518 ✽ L31-0976-15 FM-RF COIL R191 RK73GB2A225J CHIP R 2.2M J 1/10W
L519 ✽ L40-4763-72 SMALL FIXED INDUCTOR (4.7NH) R193,194 RK73GB2A474J CHIP R 470K J 1/10W
L520 ✽ L40-3381-58 SMALL FIXED INDUCTOR (0.33UH) R199 RK73GB2A241J CHIP R 240 J 1/10W
L521 ✽ L40-1073-72 SMALL FIXED INDUCTOR (10NH)
L600 ✽ L92-0607-05 CHIP FERRITE R200 RK73GB2A102J CHIP R 1.0K J 1/10W
L601,602 L92-0397-05 CHIP FERRITE R252 RK73GB2A473J CHIP R 47K J 1/10W
X1 L78-0879-05 RESONATOR (10.000MHZ) R253 RK73GB2A432J CHIP R 4.3K J 1/10W
X2 L77-2793-05 CRYSTAL RESONATOR (32.768KHZ) R254 RK73GB2A100J CHIP R 10 J 1/10W
X501 L77-2077-05 CRYSTAL RESONATOR (10.250MHZ)
R255 RK73GB2A331J CHIP R 330 J 1/10W
F 2D ✽ N80-3010-48 PAN HEAD TAPTITE SCREW R256 RK73GB2A154J CHIP R 150K J 1/10W
G 2D ✽ N83-3005-48 PAN HEAD TAPTITE SCREW R257 RK73GB2A123J CHIP R 12K J 1/10W
H 2D ✽ N83-3020-48 PAN HEAD TAPTITE SCREW R271 RK73GB2A101J CHIP R 100 J 1/10W
J 3D N86-2606-48 BINDING HEAD TAPTITE SCREW R272 RK73GB2A103J CHIP R 10K J 1/10W
R1,2 RK73GB2A101J CHIP R 100 J 1/10W R273 RK73GB2A474J CHIP R 470K J 1/10W
R21 RD14BB2C152J RD 1.5K J 1/6W R331,332 RK73GB2A271J CHIP R 270 J 1/10W
R51 RK73FB2B683J CHIP R 68K J 1/8W R335,336 RK73GB2A303J CHIP R 30K J 1/10W
R52 RK73GB2A393J CHIP R 39K J 1/10W R338,339 RD14BB2C101J RD 100 J 1/6W
R53 RK73GB2A104J CHIP R 100K J 1/10W R351,352 RK73GB2A222J CHIP R 2.2K J 1/10W
R54 RK73FB2B203J CHIP R 20K J 1/8W R353 RK73GB2A102J CHIP R 1.0K J 1/10W
R55,56 RK73GB2A103J CHIP R 10K J 1/10W R355,356 RK73GB2A102J CHIP R 1.0K J 1/10W
R57 RK73GB2A223J CHIP R 22K J 1/10W R358 RK73GB2A222J CHIP R 2.2K J 1/10W
R58 RD14DB2H332J SMALL-RD 3.3K J 1/2W R359 RK73GB2A101J CHIP R 100 J 1/10W
R59 RD14BB2C333J RD 33K J 1/6W R360 RK73GB2A222J CHIP R 2.2K J 1/10W
29
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
PARTS LIST
R363 RD14BB2C472J RD 4.7K J 1/6W W64 R92-1252-05 CHIP R 0 OHM J 1/16W
R365 RK73GB2A472J CHIP R 4.7K J 1/10W W65,66 R92-2053-05 CHIP R 0 OHM J 1/8W
R366 RK73EB2E472J CHIP R 4.7K J 1/4W W68 R92-1252-05 CHIP R 0 OHM J 1/16W
R367 RK73GB2A104J CHIP R 100K J 1/10W W71 R92-1252-05 CHIP R 0 OHM J 1/16W
R368,369 RK73GB2A471J CHIP R 470 J 1/10W W72 R92-2053-05 CHIP R 0 OHM J 1/8W
R370,371 RK73GB2A472J CHIP R 4.7K J 1/10W W73 R92-1252-05 CHIP R 0 OHM J 1/16W
R412,413 RK73GB2A223J CHIP R 22K J 1/10W W75 R92-2053-05 CHIP R 0 OHM J 1/8W
R415 RK73GB2A223J CHIP R 22K J 1/10W E5E6 W76 R92-1252-05 CHIP R 0 OHM J 1/16W
R416-418 RK73GB2A223J CHIP R 22K J 1/10W E4E7 W78 R92-2053-05 CHIP R 0 OHM J 1/8W
R417,418 RK73GB2A223J CHIP R 22K J 1/10W E5E6 W79,80 R92-1252-05 CHIP R 0 OHM J 1/16W
R433 RK73GB2A222J CHIP R 2.2K J 1/10W W83 R92-1252-05 CHIP R 0 OHM J 1/16W
R437,438 RK73GB2A102J CHIP R 1.0K J 1/10W W88,89 R92-1252-05 CHIP R 0 OHM J 1/16W
R454 RK73GB2A472J CHIP R 4.7K J 1/10W W96-98 R92-1252-05 CHIP R 0 OHM J 1/16W
R502,503 RK73GB2A222J CHIP R 2.2K J 1/10W W611 R92-1252-05 CHIP R 0 OHM J 1/16W
R504 RK73GB2A4R7J CHIP R 4.7 J 1/10W W802 R92-1252-05 CHIP R 0 OHM J 1/16W
R505 RK73GB2A102J CHIP R 1.0K J 1/10W W804-807 R92-1252-05 CHIP R 0 OHM J 1/16W
R506 RK73GB2A105J CHIP R 1.0M J 1/10W W808 R92-2053-05 CHIP R 0 OHM J 1/8W
R520 RK73GB2A221J CHIP R 220 J 1/10W W812 R92-2053-05 CHIP R 0 OHM J 1/8W
R544 RD14BB2C222J RD 2.2K J 1/6W W826 R92-2053-05 CHIP R 0 OHM J 1/8W
R546 RK73GB2A432J CHIP R 4.3K J 1/10W D3 IMSA-6801-E SURGE ABSORBER
R561 RK73GB2A472J CHIP R 4.7K J 1/10W D52 MAZ4068N-M ZENER DIODE
D53 UDZS6.8B ZENER DIODE
R562 RK73GB2A106J CHIP R 10M J 1/10W D53 ✽ 02DZ6.8F-Y ZENER DIODE
R565 RK73GB2A394J CHIP R 390K J 1/10W D54 MAZ4068N-M ZENER DIODE
R589 RK73GB2A473J CHIP R 47K J 1/10W D55 1SS355 DIODE
R590 RK73GB2A103J CHIP R 10K J 1/10W D57 S2V60✽A DIODE
D71 MAZ4082N-L ZENER DIODE
R591 RK73GB2A513J CHIP R 51K J 1/10W D72 D1F60-5063 DIODE
R592 RK73GB2A223J CHIP R 22K J 1/10W D72 1SR154-400 DIODE
R595-597 RD14BB2C100J RD 10 J 1/6W D73 AM01ZNF DIODE
R599 RK73GB2A220J CHIP R 22 J 1/10W D73 ✽ 10EDA20 DIODE
D74,75 D1F60-5063 DIODE
R600 RD14BB2C2R2J RD 2.2 J 1/6W D74,75 1SR154-400 DIODE
R601 RD14BB2C1R0J RD 1.0 J 1/6W D76 DAN202U DIODE
R603 RK73GB2A560J CHIP R 56 J 1/10W D76 ✽ KDS121-P DIODE
R604,605 RK73GB2A100J CHIP R 10 J 1/10W D76 ✽ MC2848 DIODE
D77 AM01ZNF DIODE
W51 R92-1252-05 CHIP R 0 OHM J 1/16W D77 ✽ 10EDA20 DIODE
W52 R92-2053-05 CHIP R 0 OHM J 1/8W D81 UDZS4.7B ZENER DIODE
W53 R92-1252-05 CHIP R 0 OHM J 1/16W
W58-60 R92-1252-05 CHIP R 0 OHM J 1/16W D81 ✽ 02DZ4.7F-Y ZENER DIODE
W61-63 R92-2053-05 CHIP R 0 OHM J 1/8W D203 1SS133 DIODE
30
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
PARTS LIST
D259 1SS133 DIODE 25 3B D13-2154-04 GEAR
D261 1SS355 DIODE 26 3B D13-2155-04 WORM
D402,403 DAN202U DIODE 27 2B D13-2156-14 GEAR
D402,403 ✽ KDS121-P DIODE 28 3B D13-2157-04 GEAR
D402,403 ✽ MC2848 DIODE 29 2B D13-2158-04 GEAR
D501 RN739F DIODE 30 2B D13-2168-04 GEAR

D502,503 ✽ KP2311ETR-G DIODE 31 3B D13-2171-04 GEAR
D504 ✽ KV1430STL-G VARIABLE CAPACITANCE DIODE 32 1B D13-2172-13 RACK (GEAR)
D506 ✽ HVC383B-E VARIABLE CAPACITANCE DIODE 33 2A D14-0759-04 ROLLER
IC1 ✽ 784225GC258A MICROCONTROLLER IC 35 2B D21-2382-04 SHAFT
IC3 ✽ BD4912-V4 ANALOGUE IC 36 1A D23-0954-04 RETAINER

IC4 ✽ TB2904HQ ANALOGUE IC 37 1B D39-0246-05 DAMPER
IC6 TC7W02FU-F MOS-IC
IC8 ✽ S-80836CNNB-G MOS-IC 38 2B G01-3072-04 EXTENSION SPRING
IC10 ✽ E-TDA7516 ANALOGUE IC 39 2A G01-3073-04 TORSION COIL SPRING
40 2A G01-3074-04 EXTENSION SPRING
IC11 ✽ BR24L04FV-W ROM IC 41 1B G01-3075-14 EXTENSION SPRING
IC15 ✽ BA00CCWT ANALOGUE IC 42 2A G01-3076-04 EXTENSION SPRING
Q51-53 2SC4081 TRANSISTOR
Q71 UMC2N TRANSISTOR 43 1B G01-3077-14 EXTENSION SPRING
Q72 2SB1565(E,F) TRANSISTOR 44 2B G02-1399-04 FLAT SPRING
45 2B G02-1408-04 FLAT SPRING
Q73 2SD1858 TRANSISTOR
Q74 UMC2N TRANSISTOR 51 1A J21-9676-32 MOUNTING HARDWARE
Q151 DTA114YUA DIGITAL TRANSISTOR 52 3B J21-9677-22 MOUNTING HARDWARE
Q151 ✽ KRA307-P DIGITAL TRANSISTOR 53 1B J21-9678-13 MOUNTING HARDWARE
Q151 RT1P144M TRANSISTOR 55 1A J90-1001-11 GUIDE
56 1B J90-1023-03 GUIDE
Q155 2SC4081 TRANSISTOR
Q252 ✽ KTA2014P(Y,GR) TRANSISTOR DFPC1 3A J84-0141-05 FLEXIBLE PRINTED WIRING BOARD
Q252 2SA1576A TRANSISTOR
Q252 ✽ 2SA1603A TRANSISTOR A 2B N09-4460-05 TAPTITE SCREW (OVAL P TAPTIT)
Q330 DTA124EUA DIGITAL TRANSISTOR B 1B N09-4472-15 MACHINE SCREW (M1.7X8.0)
C 2B N09-6004-05 MACHINE SCREW (M1.7X2.5 IB-L)
Q330 ✽ KRA303-P DIGITAL TRANSISTOR E 2B N09-6007-05 MACHINE SCREW (PAN M2X2)
Q330 ✽ RT1P241M TRANSISTOR F 1A N09-6051-05 TAPTITE SCREW (BIND P 2X5)
Q351,352 DTC143TUA DIGITAL TRANSISTOR
Q351,352 ✽ KRC410-P DIGITAL TRANSISTOR G 2A N19-2163-04 FLAT WASHER
Q351,352 ✽ RT1N430M TRANSISTOR H 1B N39-2020-46 PAN HEAD MACHINE SCREW
J 1B N09-6108-05 MACHINE SCREW (M2✽3.5)
Q501 ✽ HN3G01J(BL)-F TRANSISTOR K 3B N09-6155-05 SEMS (TAPTITE SCREW) (PT2X6)
TH1 PRF21BE471QB2 POSITIVE RESISTOR
DM1 3B T42-1066-04 DC MOTOR (SPINDLE)
MECHANISM UNIT (X92-5090-00) DM2 2B T42-1067-04 DC MOTOR (LOADING)
2 1B A10-4827-32 CHASSIS
DPU1 2B X93-2010-00 OPTICAL PICKUP ASSY
5 1B D10-4576-83 ARM ASSY
8 2A D10-4579-23 LEVER ASSY
10 2A D10-4581-13 ARM
11 2A D10-4582-13 ARM
12 3A D10-4583-03 ARM
13 3A D10-4584-03 ARM
14 3B D10-4585-03 ARM
15 2A D10-4586-13 SLIDER
16 3B D10-4587-52 SLIDER
17 2B D10-4588-13 SLIDER
18 2B D10-4595-04 ARM
19 2B D10-4596-24 ARM
22 2A D13-2151-04 GEAR
23 2B D13-2152-04 GEAR
24 3B D13-2153-04 GEAR
31
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
SPECIFICATIONS
FM Preout Level / Load ................................ 2000mV/10kΩ (CD)
Frequency Range (Frequency Step) Preout Impedance ...................................................... ≤600Ω
................................................ 87.5MHz~108.0MHz (50kHz)
Usable Sensitivity (S/N : 26dB) ............................ 0.7µV/75Ω AMPLIFIER
Quieting Sensitivity (S/N : 46dB) .......................... 1.6µV/75Ω Maximum Power ....................................................... 45W x 4
Frequency Response (±3.0dB) ......................... 30Hz~15kHz Power (DIN45324, +B=14.4V) .................................. 28W x 4
S/N ................................................................. 65dB (MONO)
Selectivity (DIN) ....................................... ≥80dB (±400kHz) TONE
Stereo Separation ............................................. 35dB (1kHz) Bass .................................................................. 100Hz±10dB
Middle .................................................................. 1kHz±10dB
MW (AM) Treble ................................................................ 10kHz±10dB
Frequency Range (Frequency Step)
...................................................... 531kHz~1611kHz (9kHz) GENERAL
Usable Sensitivity (S/N : 20dB) ..................................... 25µV Operating Voltage (11V~16V allowable) ...................... 14.4V
Current Consumption ...................................................... 10A
LW Installation Size (Width) ............................................ 182mm
Frequency Range ........................................ 153kHz~281kHz (Height) ............................................. 53mm
Usable Sensitivity (S/N : 20dB) ..................................... 45µV (Depth) ............................................ 155mm
Weight ........................................................... 1.40kg (3.1 lbs)
CD
Laser Diode ............................................................... GaAlAs
Digital Filter (D/A) ............................. 8 Times Over Sampling
D/A Converter ................................................................ 1 Bit
Spindle Speed ................................... 500rpm~200rpm (CLV)
Wow & Flutter .................................... Below Mesurable Limit
Frequency Response ............................ 10Hz~20kHz (±1dB)
Total Harmonic Distortion ................................. 0.01% (1kHz)
S/N Ratio ........................................................... 93dB (1kHz)
Dynamic Range ............................................................. 93dB
Channel Separation ...................................................... 85dB
KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.
KENWOOD CORPORATION
2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan
KENWOOD USA CORPORATION KENWOOD ELECTRONICS ITALIA S.p.A.
P.O. Box 22745, 2201 East Dominguez Street, Long Beach, CA 90801-5745, U.S.A. Via G. Sirtori 7/9, 20129 Milano, Italy
KENWOOD ELECTRONICS CANADA INC. KENWOOD IBÉRICA S.A.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8 Bolivia, 239-08020 Barcelona, Spain
KENWOOD ELECTRONICS LATIN AMERICA S.A. KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.
P.O. Box 55-2791, Paitilla Plaza Credicorp Bank Panama Piso #9, (A.C.N. 001 499 074)
Oficina #901 Calle 50, Panama, Rep. De Panama 16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113, Australia
KENWOOD ELECTRONICS BRASIL LTDA. KENWOOD ELECTRONICS (HONG KONG) LTD.
Alameda Ministro Rocha Azevedo No. 456 Edificio Jaú, Unit No. 3712-3724, Tower 1, Metroplaza, No. 223 Hing Fong Road, Kwai Fong, N.T., Hong Kong
10° Andar Cerqueira César, Cep 01410-001 São Paulo, SP, Brasil
KENWOOD ELECTRONICS GULF FZE
KENWOOD ELECTRONICS UK LTD. P.O. Box 61318, Jebel Ali, Dubai, U.A.E.
Kenwood House, Dwight Road, Watford, Herts, WD18 9EB, United Kingdom
KENWOOD ELECTRONICS (THAILAND) CO., LTD.
KENWOOD ELECTRONICS DEUTSCHLAND GMBH 2nd Floor, 956 Udom Vidhya Building, Rama IV Road, Silom, Bangrak, Bangkok 10500, Thailand
Rembrücker Str. 15, 63150 Heusenstamm, Germany
KENWOOD ELECTRONICS SINGAPORE PTE LTD.
KENWOOD ELECTRONICS FRANCE S.A. 1 Ang Mo Kio Street 63, Singapore 569110
13, Boulevard Ney, 75018 Paris, France
KENWOOD ELECTRONICS MALAYSIA SDN BHD
KENWOOD ELECTRONICS BELGIUM N.V. #4.01 Level 4, Wisma Academy Lot 4A, Jalan 19/1,
Leuvensesteenweg 248J, B-1800 Vilvoorde, Belgium 46300 Petaling Jaya, Selangor, Malaysia

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CD RECEIVER

SPARE TDF PANEL

MONO FF SCAN RDM REP

LEVER DC CORD PLASTIC CABINET ASSY MOUNTING HARDWARE ASSY

ANTENNA ADAPTOR ESCUTCHEON

This product uses Lead Free solder.

KEY MATRIX BU5V

MECHA ASSY (X92-) CD PLAYER UNIT (X32-5750-00)

IC7 RDS DECODER For other models.

IC11 E2PROM Saves and writes tuner adjustment data.

Q52 BU DET “ON” when the base goes “H”.

Q72,73 SERVO+B AVR Output voltage level : 7.5V.

Q155 DSI ILLUMI SW “ON” when the base goes “L”.

● CD PLAYER UNIT (X32-5750-00)

gain control function during CD-RW.

Q2 DIGITAL +5V SW “ON” When P. ON signal goes “L”.

Q5, 6 CURRENT AMP Current driver.

● SWITCH UNIT (X16-294x-xx)

Q1 GREEN LED SW “ON” when the base goes “H”.

MICROCOMPUTER’S TERMINAL DESCRIPTION

3 ROTARY CW I Rotary encoder input

9 VFD DATAS O Data output to VFD driver

Adjustment=H, PS1-1,2=L, PS1-3=Hi-Z,

28 H VOL MUTE O E-VOL mute output L : Mute OFF, Hi-Z : Mute ON

31 RESET2 O Mute for reset Output L

Refer to “CD MECHA CONTROL OPERATION”

51 L CD MRST O CD mecha µ-com reset H : Normal condition, L : Reset

54 CD LOS SW I CD loading detection

57 OEM DISP CLK I/O External display clock External display

VFD ON : H, VFD OFF : L

76~78 TYPE 3~TYPE 1 I Destination switch

General models commercially-designated as pure KENWOOD brand (Initial value)

• POWER SUPPLY IC (IC3) CONTROL • CD MECHA CONTROL OPERATION

L L L OFF OFF OFF H H Eject

L L OFF OFF OFF

1 TVD O Traverse drive output (PWM output).

4 PWM O Multipurpose PWM output.

7 NRFDET I RF detection signal input. L : Detection

10 LDON O Laser-on signal output. H : Focus ON

13 DVSS1 - GND for digital circuit.

16 ARF I RF signal input.

20 IREF I Reference current input.

23 TE I Tracking error signal input.

26 AVSS1 - GND for analog circuit. For Lch/Rch audio output

29 OUTL O Lch audio output.

52 X2 O Main clock output.

62 L MUTE R O Audio Rch mute output.

69 TX O Digital audio interface signal output.

76 CD-RW O CD-RW control. H : CD-RW, L : Normal disc

79 FOD O Focusing drive output (PWM output).

* The display is cleared by pressing the key for more

“6” key close number display

Adjustment complete : E2OK

“DCOK”. L508 1st AM MIX IFT YES - -

L509 2nd AM MIX IFT - YES -

press “RESET” button. CAPACITANCE DIODE

Except Europe 1000kHz OFF 35dBµV (EMF)

DATAS Ref. No. Address

Refer to the schematic dia-

gram for the values of resis-