HCD-ECL77BT/ECL99BT

SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM (1/2)

i
m
jo
HCD-ECL77BT/ECL99BT
18 18
 HCD-ECL77BT/ECL99BT

5-2. BLOCK DIAGRAM (2/2)

i
m
jo
HCD-ECL77BT/ECL99BT
19 19
HCD-ECL77BT/ECL99BT

5-4. SCHEMATIC DIAGRAM - MAIN Board (1/8) -

1 2 3 4 5 6 7 8 9

MAIN BOARD (1/8)

A
POWER INPUT
BAT54S
D1 -24V
Q10 AMP_36V
1 R20 0
P_AP9561AGM
C1
C24 0.1uF/50V/X7R 3 36V 8
1 7

100pF/50V/NP0
C27 C5
2 2 6
C26

0.1uF/50V/X7R
CE2 3 5

0.1uF/50V/X7R
36V_MAIN_1

0.1uF/50V/X7R
36V_MAIN 1 +
22uF/50V C33
C25 0.1uF/50V/X7R 3 C235 C234 R263 R264

NC/0.1uF/50V/X7R
1 FB2 120/2A R168 2.2 10K

1UF/100V/X7R

NC/1uF/50V/Y5V
1

4
2 2 120K/1%
2 R22
3
3 2.2
4 D2
4 PCON C4
5 R770 1K BAT54S
5 POWER_FRQ1 R169
0.1uF/50V/X7R
220K
XP20 C3
5PIN/2.0mm
C767 R167
1uF/16V/X7R U1 0.01uF/50V/X7R STB_5V 4.7K
USB_5V
AS5430A L1 PCON Q16
6.8uH/2.4A NPN_3DG3904M
+12V 3 FB3 10/2A

B
1 SW
BS FB6 10/2A C32
0.923V R29
2 5

0.1uF/25V/X5R
IN FB R2 10K
49.9K/1% 100uF/16V +
1 CE1 C6
1 36V R3
2 C10 0.1uF/25V/X5R
2 100K 7 6
3 + EN COMP

GND

GND
3 4 CE13 1uF/25V/Y5V

SS
4 GND_1 C14
5 220uF/16V

POWER CONTROL AMP_36V

5 R5
6 36V_1 R6

22uF/10V/Y5V
8

4
6 C13 10K/1%
6.8K
NC/0.1uF/25V/Y5V
XP1 R4
6PIN/2.0mm NC/47K

R7
C15 C12
620/1%
0.1uF/50V/X7R 3900pF/50V/X7R
U2
LDO_G9091-330T11U STB_3.3V
STB_5V
Q1
0.923*(1+49.9K/10.62K)=5.26 M+5V
P_AP2305 VCC_D
R8 0 1 5 STB_5V
VIN VOUT V_12V
FB4 120/2A
C16 close to LDO C17 S D
2

C
2.2uF/10V/Y5V GND 4.7uF/16V/Y5V C18

G
R9
0.1uF/25V/X5R 100K
3 4 ZD751

i
EN NC
ZMM27/27V
Q755
36V_MAIN FM_36V

R175
PNP_3CG3906M
FB7 120/2A

STB_5V ĺSTB_3.3V
C23

0.1uF/50V/X7R
R762
R26
4.7K

4.7K
47K

R12 4.7K

m
Q3 V_-24V
POWER_EN NPN_3DG3904M -24V
R16 Q754
47K NPN_3DG3904M

C20
R14 R510 NC/0

0.1uF/25V/X5R
R28 4.7K Q12 10K
Q2 VFD_FM_EN NPN_3DG3904M
+12V P_AP2305
V_12V
FB5 120/2A
POWER CONTROL VFD_-24V

0.1uF/25V/X5R
S D C22
R24
R11
C19
47K G 10K

D
0.1uF/25V/X5R

R13
47K
POWER CONTROL 5V
VFD_FM_EN
R15 4.7K Q4
NPN_3DG3904M
POWER CONTROL FM_36V
0.1uF/25V/X5R

C21
R17
10K VCC_D

POWER CONTROL VFD12V SYST EM 3 . 3 V & 1 . 2 V

R19

1.8/2W

E
jo 36V_MAIN

FB27 120/2A

R100
7

2
U3
MP2560DN

VIN

EN
8
BST

C145

0.01uF/50V/X7R

SW

FB
1

4
VOUT=0.8*(150+10.62)/10.62=12.1
L2 22uH/3.3A

+
R97
C770
R272 0
+12V
TR_B1
STANDBY:40mA
Imax: 570mA

STANDBY:25mA
Imax: 368mA

TR_B1

REGO1
Q5

R23
20K/1%
R21

PNP_3CA8550D

CE3
+
5.6/1W

100uF/16V
DVCC3

TP2

C30

0.1uF/50V/X7R
STANDBY:15mA
Imax: 202mA

TR_B2

REGO2 REGO2
Q6
PNP_3CA8550D

CE4
+
8104 kernel +1.2V

100uF/16V
VC12

TP1

C31

0.1uF/50V/X7R
VC12
C193

C233

100K CE5 REGO1

C763 150K/1%
GND_PAD

+ 6 3 220uF/16V
CE18 FREQ COMP R784 10uF/16V/X7R R25

NC/470pF/50V/X7R
GND
Close to U3_MP2560

220uF/50V C28 12K/1%

1uF/50V/Y5V

0.1uF/50V/X7R

D606 NC/33
C146
R99
150pF/50V/NP0
9

200K/1% 0.1uF/50V/X7R
R10
SS24/40V/2A

10K/1%
C771
R101
C29 NC/470pF/50V/X7R
10K

F
NC/0.1uF/25V/Y5V
R18 R27
620/1%

150K

36Vĺ12V

HCD-ECL77BT/ECL99BT
22 22
 HCD-ECL77BT/ECL99BT

5-5. SCHEMATIC DIAGRAM - MAIN Board (2/8) -

1 2 3 4 5 6 7 8 9

MAIN BOARD (2/8)

A
D33

R30
R31 100K 4.7K

XI Y1 27MHz/30PPM R32 1K XO I2C_SDA R33 33 DSP_SDA

DVCC3 DSP_SDA
R35 Bead/220 TUNER_SDA
C39 C40 XP2 TUNER_SDA
33pF/50V/NP0 33pF/50V/NP0 1
1 C41
DEBUG_TX 2 D33 RF3.3V
2 47pF/50V/NP0
DEBUG_RX 3

PUHRF

R36
3
Put these circuits as

RF3.3V
GND 4 D33
4 F3V3 F3V3
closer as possible to

C42

C43

C44
VCC1.2 D33 D33

VVCC3
4PIN/2.0mm VCC1.2

R38
MPEG DECODER.

USB_DM
USB_DP
R37 C46

1K
Crystal

C47
C48
C45

R39

R40

R41
VVCC3

VVCC3
4.7K

100pF/50V/NP0

100pF/50V/NP0

100pF/50V/NP0

4.7K

TP3
TP4
TP5

0.1uF/25V/X5R
C49

93 NC/1uF/10V/Y5V
I2C_SCL R42 33 DSP_SCL

HOMESW
DSP_SCL

XOPVIN1
XOPVIP1

USB_DM
USB_DP
10uF/10V/Y5V

V_FSADJ
92 1uF/10V/Y5V
91 0.1uF/25V/X5R

10K

10K

10K
F3V3

LDSW
R44 Bead/220 TUNER_SCL U5
TUNER_SCL

XO
SF_CS 1 8

XI
C
D
E

A
B
F
SPI_D0 2 CE# VDD 7
C50 SO HOLD#
47pF/50V/NP0 3 6 R45 33 SF_CK
4 WP# SCK 5 SPI_D1

102
101
100
99
98
97
96
95
94

90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
VSS SI
DVCC3 TP6 KH25L8006EM2I-12G NOR 8M FLASH

F
E

A
B
C
D
C51

RFIS

CLKIN
OPVIP
OPVIN

RFSUM

VDD_12

VDD_12

AOUT_L
USB_DP

AOUT_R
CLKOUT

USB_DM
AGCCAP

V_COMP
PLL_VSS

V_FSADJ
PLL_VDD

TV_AVSS
TV_DAC3
TV_DAC2
TV_DAC1

TV_AVSS

TV_DAC0
AD_AVSS

TV_AVDD

TV_AVDD
AD_AVDD
APC_AVSS

USB_AVSS

USB_AVDD
LDSW/GPIO67
HOME/GPIO66
4.7uF/16V/Y5V
FB8 500/200mA Close to MPEG
D33
DVDLDO 103 64
C53
Digital CE6 47uF/16V
0.1uF/25V/X5R

0.1uF/25V/X5R

0.1uF/25V/X5R
C55

C52

C56

C57 CDLDO 104 NC ADAC_AVSS 63 C58 10uF/10V/Y5V

+
CDLDO ADAC_AVDD AVCC3
1uF/16V/X7R 1000pF/50V/X7R C54 0.1uF/25V/X5R DVDMDI 105 62 DAC_VREF C59 0.1uF/25V/X5R
NC VREF R46 0 DSP_MCLK
CDMDI 106 61 DSP_MCLK
CDMDI AIN_R R47 33 DSP_BCLK
CE7 47uF/16V 107 60 AD_VCC3 DSP_BCLK
RF3.3V SRV_AVDD AD_AVDD R48 33 DSP_LRCK
VREF1 108 59 DSP_LRCK

+
Close to 8104WW TP7 VREF2 109 V21 AD_AVSS 58 AMP_DET1 I2S_MCLK
SDRAM +3.3V C60 0.1uF/25V/X5R
110 V165 GPIO54 57 AMP_RESET
MCLK_1
BCLK_1 I2S_BCLK
R50
R52
33
33 AD_MCLK
FB9 500/200mA C61 680pF/50V/X7R TRACK_S R53 91K 111 DA_AVSS GPIO53 56 CP/RTC_SDA LRCLK_1 I2S_LRCK R54 33 AD_BCLK
SD33 DA_TEO GPIO52 AD_LRCK
C62 1000pF/50V/X7R FOCUS_S R55 20K/1% 112 55 CP/RTC_SCL DATA_IN_1 I2S_DATA_IN R56 33 AD_DATA
113 DA_FEO GPIO51 54 VFD_CS
C63 C88 RFDA3.3V DA_AVDD GPIO50
C7 C64 0.1uF/25V/X5R SPDL_S R57 2.2K 114 53 VFD_CLK R112 4.7K DVCC3 C66 C130 C129
4.7uF/16V/Y5V 4.7uF/16V/Y5V SLED_S 115 SPDC_OUT/GPIO70 SPDIF_IN/GPIO48 52
SPHE8104W-128
0.1uF/25V/X5R C65 0.1uF/25V/X5R R58 2.2K VFD_DATA R59
SC_OUT/GPIO71 SPDIF_OUT/GPIO47 R139 4.7K
DVDVR 116 51 M_A3

C
1K

5.6pF/50V/NP0

5.6pF/50V/NP0

5.6pF/50V/NP0
DRVSB 117 GPIO72 M_A3 50 M_A2
Close to SDRAM TP8 I2C_SW R63 33 118 DMEA M_A2 49 M_A1
CARD_SENSE/GPIO74 M_A1

i
I2C_SCL 119 48 M_A0
FB10 500/200mA I2C_SDA 120 SD_D0/GPIO75 M_A0 47 M_A10
RF3.3V SD_CLK/GPIO76 M_A10 R34 33 RTC_SDA
INSW R60 2.2K 121 46 M_BA1 RTC_SDA
122 SD_SMD/GPIO77 M_BA1 45 M_BA0
CE8 + C67 C68 C69
RF +3.3V TP58
TRAY+ 123 GPIO78 M_BA0 44 M_RAS
R61 NC/33 CP_SDA
CP_SDA
100uF/16V 0.1uF/25V/X5R 0.1uF/25V/X5R CDVR 124 GPIO79 M_RAS 43 M_CAS
CDVR M_CAS R90 33 MCU_SDA
0.1uF/25V/X5R SF_CS 125 42 M_WE MCU_SDA
SPI_D0 126 SPI_CE M_WE 41 M_DQM0
Close to 8104WW TP9 SPI_D0 M_DQM0 R43 33 RTC_SCL
SF_CK 127 40 M_A4 RTC_SCL
SPI_D1 128 SPI_CLK M_A4 39 M_A5 R76 NC/33 CP_SCL

m
R62 0 SPI_D1 M_A5 CP_SCL

HSYNC/GPIO7
AD_VCC3

VSYNC/GPIO8
R91 33 MCU_SCL

IR_IN/GPIO3
MCU_SCL

VFD_DATA
Internal AD +3.3V

RESET_B
VFD_CLK
VFD_STB

M_DQM1
VDD_33

VDD_12

VDD_33
GPIO86
C70 C71

M_CLK
M_D15
M_D14
M_D13
M_D12
M_D11
M_D10

M_A11
GPIO4
GPIO5

M_D0
M_D1
M_D2
M_D3
M_D4
M_D5
M_D6
M_D7

M_D9
M_D8

M_A9
M_A8
M_A7
M_A6
4.7uF/16V/Y5V 0.1uF/25V/X5R

VSS

VSS
U6

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Close to 8104WW 13GSP8104-WWX0-M
TP10 Play 90mA
Standby 8mA R64

R65 GPIO25
I2S_DATA_IN
FB11 500/200mA VVCC3

MPEG_RX
I2S_MCLK

MPEG_TX
I2S_LRCK
M_A[0..11]

I2S_BCLK
MA[0..11] (3)

M_DQM1
D
M_D[0..15]
Video DAC +3.3V
C72

C73

C74

M_D15
M_D14
M_D13
M_D12
M_D11
M_D10
RF3.3V RFDA3.3V DQ[0..15] (3) I2S_D2

M_D0
M_D1
M_D2
M_D3
M_D4
M_D5
M_D6
M_D7

M_D9
M_D8
22 Ÿ M_BA[0..1] 10

M_A9
M_A8
M_A7
M_A6
BA[0..1] (3) I2S_D2
TP11
M_DQM[0..1] I2S_D1 10
I2S_D1
0.1uF/25V/X5R
0.1uF/25V/X5R

DQM[0..1] (3)
FB12 500/200mA RAM_CLK

D33
4.7uF/16V/Y5V

DCLK (3) VFD_DATA 10

R66 4.7K VFD_DATA

D33
D33

VCC1.2
TP12 R67 4.7K

0
VFD_CS 10
R98 4.7K RAM_CLK M_CAS VFD_CS
CAS# (3)

M_A11
R68 2.2 AVCC3 C75 M_RAS
C76 RAS# (3) VFD_CLK 10
R49 R51 C77 M_WE VFD_CLK
0.1uF/25V/X5R WE# (3)
Internal DA +3.3V 4.7uF/16V/Y5V 33 33 5.6pF/50V/NP0

I2S_D1

I2S_D2
+ C78 FLASH BT_3V3 I2C_SW
CE9 0.1uF/25V/X5R I2C_SW 10
MPEG_RST
100uF/16V REGO1
REGO2 REGO1 R70 R71
VC12 TR_B1 REGO2
TP13 TP43 DVCC3 TR_B1
TR_B2
TR_B2

debug_RX
debug_TX
4.7K 4.7K
R72 0 VCC1.2
R170 MPEG_RX R73 1K BT_TX
C80

C81

BT_TX 8
0.1uF/25V/X5R

0.1uF/25V/X5R

C82 27K TP100

1000pF/50V/X7R MPEG_TX R74 1K BT_RX 8
BT_RX
DVD USE ONLY

E
Close to 8104WW
jo RF3.3V
RESET_A R271 1K MPEG_RST D33
VC12
VC12 5

R123
C772 C102
U7 NC/2.2uF/10V/X5R
DRVSB TP18 0.1uF/16V/X7R
R75

CD5890
RF3.3V
NC/47uF/16V

4.7K
+ FOCUS_S 1 28 AMP_RESET R127 33 10
CE10

VINFC MUTE R785 AMP_RST

VCC_D A+5V TR_B1 2 27 VREF2 AMP_DET1 R143 33

TM2
R77

TP19
TP15
TP20

TP21
TP22
TP14 TR_B1 BIAS AMP_DET 10
C83 CE11 NC/10K C102&R271 close to MPEG
NC/5.1 Ÿ

+ R78 2.2 REGO2 3 26 TRACK_S

TM1

TM3
TP23
TP16
TP24
TP25
TP17
TP26

TP27
TP28
TP29
TP30

TP31
TP32
TP33
TP34
TP35

TP36 Q7 DVDLDO REGO2 VINTK

MPEG_RST
0.1uF/25V/X5R 47uF/16V SPDL_S 4 25 TR_B2 MPEG_REST
NC/PNP_MMBT8550C VINSL TR_B2 XP4
5.1 Ÿ

REGO1 5 24 Improve AC DIP with using the same SLED- 6 SL_MOT+

27
28

CDLDO Q8 A+5V REGO1 RESET 6 5 SL_MOT-

design on 14' SONY MICRO SLED+ 5
TRAY+ R79 SL- 6 23 SLED_S GND 4
24 FACT- PNP_MMBT8550C M+5V NC/0 FWD VINLD 4 3 HOMESW
R81

23 FACT+ TRAY- R82 SL+ 7 22 M5V HOMESW 3 2 SP_MOT+

22 REV GND 2 1
TACT+ NC/0 SP+ 1
SP_MOT-
21 TACT- M5V SP- C89
20 C 29 30 6PIN/2.0mm
XP3 19 D FB13 500/800mA GND GND D12 RF3.3V

TM4
10K

TP37
R163

NC/1000pF/50V/X7R
18 LDSW
17 PUHRF 8 21 C85 0.1uF/25V/X5R 10K/1% LL4148

R80
16 A TRAY- C84 VCC1 VCTL
+
15 B CE12 9 20
14 A+5V F 100uF/16V 0.1uF/25V/X5R VOTR- VCCD
13 10 19
TOP

VOTR+ VCC2 2PIN/2.0mm

12 VREF1 C86 0.1uF/25V/X5R

1K
GND R248 C277 C276
11 C87 0.1uF/25V/X5R SP_MOT- 11 18 SL_MOT+ 1
VOSL+ VOLD- 150K/1% 10uF/10V/X7R 10uF/10V/X7R 1
10 E 2 INSW
9 SP_MOT+ R84 1 12 17 SL_MOT- 2 TRAY_DECT
8 CDVR# R86 0 CDVR XOPVIP1 VOSL- VOLD+

F
XP6
24PIN/0.5mm

7 DVDVR# R87 0 DVDVR XOPVIN1 FACT- 13 16 TACT- C91

6 PUH_CDLD# PUH_CDLD VOFC- VOTK-
5 DVDMDI DVDMDI FACT+ 14 15 TACT+

1000pF/50V/X7R
4 R88 0 CDMDI VOFC+ VOTK+
3
2 PUH_DVDLD# R89 0 PUH_DVDLD
1
C93
C92

C94
25
26

1000pF/50V/X7R
0.1uF/25V/X5R
TM8

TM9

TM10
TP38

TP39

1000pF/50V/X7R

HCD-ECL77BT/ECL99BT
23 23
HCD-ECL77BT/ECL99BT

5-6. SCHEMATIC DIAGRAM - MAIN Board (3/8) -

1 2 3 4 5 6 7 8

MAIN BOARD (3/8)

A U8
SDRAM SD33
MA0 23 2 DQ7
MA1 24 A0 DQ0 4 DQ6
MA2 25 A1 DQ1 5 DQ5

C96
MA3 26 A2 DQ2 7 DQ4

C95

C97

C98

C99

C100
MA4 29 A3 DQ3 8 DQ3
MA5 30 A4 DQ4 10 DQ2
MA6 31 A5 DQ5 11 DQ1

0.1uF/25V/X5R

0.1uF/25V/X5R

0.1uF/25V/X5R
MA7 32 A6 DQ6 13 DQ0

0.1uF/25V/X5R

0.1uF/25V/X5R
1000pF/50V/X7R
MA8 33 A7 DQ7 42 DQ8
MA9 34 A8 DQ8 44 DQ9
MA10 22 A9 DQ9 45 DQ10
MA11 35 A10/AP DQ10 47 DQ11
DBA0 20 A11 DQ11 48 DQ12
DBA1 21 BA0/A13 DQ12 50 DQ13
BA1/A12 DQ13 51 DQ14
SDCLK 38 DQ14 53 DQ15 DRAS# RAS# DQ[0..15]
37 CLK DQ15 (2) DQ[0..15]
SD33 CKE SD33 DWE# WE# (2) MA[0..11] MA[0..11]
19 1 (2) BA[0..1] BA[0..1]
DRAS# 18 CS VCC 14 DCAS# CAS# (2) DQM[0..1] DQM[0..1]

B
DCAS# 17 RAS VCC 27 (2) DCLK DCLK
DWE# 16 CAS VCC SD33 DBA0 BA0
WE 3 (2) CAS# CAS#
DQM0 15 VCCQ 9 DBA1 BA1 (2) RAS# RAS#
DQM1 39 DQML VCCQ 43 (2) WE# WE#
DQMH VCCQ 49 SDCLK DCLK
36 VCCQ
40 NC 6
NC VSSQ 12 DRAM
54 VSSQ 46
41 VSS VSSQ 52
28 VSS VSSQ
VSS

SDRAM_64Mb_M12L64164A-7T

i
S=1:2 ĺON 1ĺOFF
STB_3.3V

m
CHARGE_SWITCH S=0:1 ĺON 2ĺOFF

R95

R96
Compatible for footprint
USB_VCC1 XP7
4PIN/2.0mm
USB_5V U10 GMT_G527 R771 NC/0
1

4.7K

4.7K
USB_5V 6 1 FL1 ELE900 2 1 STB_3.3V
IN OUT 1 USB_VCC1 2
USB_EN USB_EN 4 D- 4 3 3
USB_FAULT 3 EN 2 D+ 1 2 4 3
USB_FAULT FLG GND C8 C101 4
5

D
ILIM C34
C79 + CE14 0.1uF/50V/X7R 100pF/50V/NP0

10
C35 C38

8
CE16 R772 NC/0 U9

R277
+ C11 220uF/16V

1uF/25V/X7R

OE
Vcc
0.1uF/50V/X7R
10uF/16V/X5R

1uF/25V/X7R

1uF/25V/X7R

R274
220uF/16V ESD1 ESD2

R278
R102 D+ 1 7 USB_DP

0
TP40 TP41 D+ HSD2+ USB_DP
20K/1%

NC/MLSEP24B-0603

NC/MLSEP24B-0603
D- 2 6 USB_DM USB_DM
D- HSD2-

NC/12K/1%
CHG_EN

NC/0

HSD1+
HSD1-
GND
NX3DV42GU

5
R94
Compatible with TJ2100 10K
R102=20K,Ilim=1.8Amin

E USB PORT
USB POWER SWITCH
jo
HCD-ECL77BT/ECL99BT
24 24
 HCD-ECL77BT/ECL99BT

5-7. SCHEMATIC DIAGRAM - MAIN Board (4/8) -

1 2 3 4 5 6 7 8 9

MAIN BOARD (4/8)

A STB_3.3V RTC_3.3V

Apple Authentication Active Mode Current : 7.5mA

D3
LL4148
RTC_3.3V + STB_3.3V
CE15
47uF/16V
STB_3.3V CP3V3
R109 0 R151
R108 10K
4.7K RTC_3.3V
U14
C106
PCF85163 AMP_MUTE R107 10K MUTE 10
CP3V3 MUTE
2.2uF/10V/Y5V
R110 33 1 8
OSCI VDD U15
2 7 C111
OSCO CLKOUT Authentication IC 2.0C
TIME_ON/OFF 3 6 RTC_SCL 0.1uF/25V/X5R
10PF/50V/NPO

4 INT/ SCL 5 RTC_SDA 1 8

VSS SDA GND VCC
MUTE Circuit MPEG_REST 5
C107

32.768KHz/30PPM

CP_SDA 2 7 PCON MPEG_REST

SDA RST PCON 5
C108 POWER_EN
Y2

POWER_EN 5
0.1uF/25V/X5R 3 6 CP_SCL VFD_FM_EN

B
NC SCL VFD_FM_EN 5
4 5 V_12V VCC_D
10PF/50V/NPO
C110

NC NC 9 USB_EN
GND USB_EN 7
USB_FAULT 7
USB_FAULT
R153 R154
AMP_FAULT 10
AMP_FAULT
NC/0 0
BT_RESET 10
BT_RESET
R157 100K
Q11
PNP_3CG3906M
STB_3.3V
R156
LL4148
D5 1K
XP9 MUTE
STB_3.3V CHG_EN 10
4PIN/2.0mm CHG_EN
MCU_RST R159 10K
1 R113 1M
1 2 SWIM R114
2 3 10K Y3 CE17 +
3 4 MCU_RST D4 YO YI
4 LL4148 100uF/16V
12MHz/20PPM POWER_FRQ1 10
MCU_RST POWER_FRQ1
C113
C112
33pF/50V/NP0

C
33pF/50V/NP0
C114

i
10uF/10V/Y5V RTC_SCL 10

AMP_FAULT
RTC_SCL

RDS
RTC_SDA

IR
RTC_SDA 10

BT_RESET
CP_SCL 10

C373
CP_SCL

R115

R129

R125
STB_3.3V CP_SDA 10
CP_SDA

BT_RESET

MCU_RST
0.1uF/25V/X5R

m
Connect VFD Board MCU_SCL
MCU_SCL 10

YO

YI
33

33

33
MCU_SDA 10
MCU_SDA
U16
13 R268 33 LED_BLUE
13 I2C_SW 10
12 VFD_CLK

12

11

10
R253 220 STM08S005C6 I2C_SW

1
12 11 R254 220 VFD_DATA
11 4052_SW1 10
10 R266 33 POWER_KEY 4052_SW1

PF4
PA6

PA5

PA3

VSS
VDD

VCAP

NSRT
10

VSSIO_1
VDDIO_1

OSCIN/PA1
9 R252 220 VFD_CS

OSCOUT/PA2
9 8
8 4052_SW2 10
7 R130 220 V_12V 4052_SW2
7 6 R131 220
6 V_-24V
5 GND RDS

D
5 RDS 10
4 R261 33 IR
4 STB_3.3V 13 48 R128 NC/33 MPEG_REST
3 R262 33 STB_5V VDDA PD7/TIM1_CH4 FAN_PWM 10
3 2 R255 33 VOL+ FAN_PWM
2 14 47 R165 1M
1 R256 33 VOL- VSSA UART1_RX/PD6 NFC_INT 10
1 NFC_INT
POWER_EN R145 33 15 46 R164 1M
XP15 PB7/AIN7 UART1-TX/PD5 VFD_CS 10
13PIN/2.0mm VFD_CS
CHG_EN R133 33 16 45 R117 33 NFC_INT
PB6/AIN6 PD4/BEEP/TIM2_CH1
VFD_CLK 10
R132 1M 17 44 R122 33 FAN_PWM VFD_CLK
3PIN/2.0mm PB5//AIN5/SDA PD3/TIM2_CH2/ADC_ETR
VFD_DATA 10
XP19 R149 1M 18 43 AMP_MUTE VFD_DATA
PB4//AIN6/SCL PD2/TIM2_CH3
1 R257 33 AUX_L LED_BLUE 10
1 AUX_L POWER_FRQ1 R126 33 19 42 R120 33 SWIM LED_BLUE
2
S

PB3/AIN3/TIM1_ETR PD1/SWIM
2 3 R258 33 AUX_R
3 AUX_R R155 1M 20 41 R147 33 USB_EN
PB2/AIN2/TIM1_CH3N PD0/TIM3_CH1
PCON R144 33 21 40 R148 33 USB_FAULT
C231

C224

C223

C225

C226

C227

C228

C229

C118

C119

C120

C121

C122

PB1/AIN1_TIM1_CH2N PE0/CLK_CCO
I2C_SW R118 33 22 39 MCU_SCL
PB0/AIN1_TIM1_CH1N PE1/I2C_SCL
R166 1M 23 38 MCU_SDA
100pF/50V/NP0

100pF/50V/NP0

100pF/50V/NP0

100pF/50V/NP0

100pF/50V/NP0

100pF/50V/NP0

100pF/50V/NP0

100pF/50V/NP0

100pF/50V/NP0

100pF/50V/NP0

100pF/50V/NP0

100pF/50V/NP0

100pF/50V/NP0

PE7/AIN8 PE1/I2C_SDA

E
jo R150 1M 24
PE6/AIN7

PC1/TIM1_CH1/UART1_CK

PC2_TIM1_CH2

PC3_TIM1_CH3

PC4/TIM1_CH4/CLK_COO
PE3/TIM3_CH2
37 R162 33 VFD_FM_EN

PC6/SPI_MOSI

PC7/SPI_MISO
PC5/SPI_SCK
PE5/SPI_NSS
VFD_FM_EN

VDDIO_2
VSSIO_2
POWER_EN
PCON

PG0

PG1
STB_3.3V POWER_FRQ1
25

26

27

28

29

30

31

32

33

34

35

36
R119

R152

R158

R160

R161

R124

R121
C341 C342 C344 C345 C347

R136

R137

R138

R142
STB_3.3V
0.1uF/25V/X5R

0.1uF/25V/X5R

0.1uF/25V/X5R

0.1uF/25V/X5R

0.1uF/25V/X5R

STB_3.3V
33

1M

1M

1M

1M

33

33

4.7K

4.7K

4.7K

4.7K
R116

R140

R141
TIME_ON/OFF

POWER_KEY
VOL+

VOL-

4052_SW1

4052_SW2
F

4.7K

4.7K

4.7K
VOL+
VOL-
I2C_SW

HCD-ECL77BT/ECL99BT
25 25
HCD-ECL77BT/ECL99BT

5-8. SCHEMATIC DIAGRAM - MAIN Board (5/8) -

1 2 3 4 5 6 7 8

MAIN BOARD (5/8)

A
BT_3V3

Bluetooth pattern antenna

R275 R276
2.2K 2.2K TP61 TP45
C123
5pF/50V/NP0
ANT

CP_SCL R111 33 R249 R231 GND

CP_SDA R69 33 NC/0 NC/0
+12VA
NFC_BT

B
BT_3V3 R299 22K
REF R103 2.2 V_12V

60
59
58
57
56
55
54
53
52
51
50
49
220K
U18

C306
22K
SPK_LP R291 10K/1% R289 10K/1% + +

0.1uF/50V/X7R
C454
TP42

RF
CE545 CE546

GND

GND
PIO8
PIO7
PIO6
PIO5
PIO4
PIO3
PIO2
PIO1
PIO0
C558 NC/33pF/50V/NP0

0.1uF/50V/X7R
R270

R298
1 48 C272 100pF/50V/NP0 100uF/16V 100uF/16V

A
2 AIO1 GND 47 C559 NC/33pF/50V/NP0
BT_RESET R273 1K 3 AIO0 MIC_A_N 46
4 RESET MIC_A_P 45 C560 NC/33pF/50V/NP0
GND MIC_B_N C289 A A
5 44
PIO9 MIC_B_P 1000pF/50V/X7R

NC/0.1uF/25V/Y5V

4
6 43 C561 NC/33pF/50V/NP0 C308
7 PIO1 0 MIC_BIAS 42 A
6 - 4.7uF/10V/X5R
8 PIO11 BT_BM153 GND_S 41 C309 4.7uF/10V/X5R SPK_RP 7 BT_L BT_L

C124
9 PIO12 SPK_R_P 40 C310 4.7uF/10V/X5R SPK_RN SPK_LN R292 10K/1% 5 +
BT_3V3 10 PIO13 SPK_R_N 39 C311 4.7uF/10V/X5R SPK_LP
11 PIO14 SPK_L_P 38 C312 4.7uF/10V/X5R SPK_LN AS4558M

100pF/50V/NP0
PIO15 SPK_L_N

8
12 37 R288 U406B C473
R104 0 13 GND GND 36 4700pF/50V/X7R
STB_3.3V VDD LED0
14 35 10K/1% C305
TP46 15 VDD_USB LED1 34

0.1uF/25V/X5R
16 +1V8 VDD_CHG 33 LED_BLUE REF +12VA

10uF/10V/Y5V
17 GND GND 32 A
BT_3V3

C116

C115
18 USB_DP VDD_BAT 31

PCM_SYNC
UART_RTS
USB_DN VRE_IN

PCM_OUT

SPI_MISO
PCM_CLK

SPI_MOSI
UART_RX
ART_CTS

UART_TX

0.1uF/25V/X5R
SPI_CSB

SPI_CLK
C

PCM_IN
SPK_RP R301 10K/1% R311 10K/1%

C117

i
C273 100pF/50V/NP0

TP59
TP60

19
20
21
22
23
24
25
26
27
28
29
30
for debug C274
1000pF/50V/X7R

4
BT_RX R267 33 BT_3V3 C307
A
BT_TX R269 33 GND 2 - 4.7uF/10V/X5R
BT_I2S_IN CSB 1 BT_R BT_R
TP44
BT_LRCK BT_CLK SPK_RN R290 10K/1% 3 +
TP47

m
BT_BCLK MOSI AS4558M
TP48
BT_I2S_OUT MISO

100pF/50V/NP0
TP49

8
R287 C293 U406A C472
4700pF/50V/X7R
10K/1%

REF +12VA
A

TP50
TP51
TP52
TP53
TP54
TP55
D
STB_3.3V
R174 NC/100K
D11
C275 "18PF/5%"

3
D17 R134 STB_3.3V
LL4148
4.7K
BAT54S Q545 PNP_MMBT8550C R173 100K NFC_BT

2
R92 20K
C456
TP56 NFC_INT
NC/15PF
1

2
R93
R146
D16 20K CP_SCL 10
C284 CP_SCL
jo 2PIN/2.0mm BAT54S
NPN_3DG3904M
TP57
CP_SDA

NC/10uF/10V/X7R
1000pF/50V/X7R C287 NFC R106 2.2K R135 CP_SDA 10

10uF/10V/X7R
100K
3

1 Q9 10K
1 2 C278 "18PF/5%" 47pF/50V/NP0 R105 R171
2 C290 BT_TX
100K 470K BT_TX 8
XP8
100pF/50V/NP0 NPN_3DG3904M BT_RX

C37

C36
8

E
BT_RX
NFC R452 2.2K BT_RESET 8
Q18 BT_RESET
LED_BLUE 8
R172 LED_BLUE
C294
100K
100pF/50V/NP0 BT_R 6
BT_R
BT_L 6
BT_L

NFC(RC-S712) MODULE APPLICATION NFC_INT

NFC_INT 10

HCD-ECL77BT/ECL99BT
26 26
 HCD-ECL77BT/ECL99BT

5-9. SCHEMATIC DIAGRAM - MAIN Board (6/8) -

1 2 3 4 5 6 7 8

MAIN BOARD (6/8) AD_BCLK

AD_MCLK
AD_LRCK
AD_BCLK
AD_MCLK
6,11
6,11

A
AD_LRCK 6,11
AD_DATA 6
AD_DATA

4052_SW1 8
4052_SW2 4052_SW1
4052_SW2 8
TUNER_SCL 8
TUNER_SDA TUNER_SCL
TUNER_SDA 8

RDS 8
RDS

FM INPUT
U17
RDS 1
FM_36V R763 R766 78L05 Q27 L491 1
GND 2
220/1W 220/1W NPN_MMBT8050C 10uH/100mA 2

B
3 1 TUNER_SCL 3
IN OUT TUNER_SDA 4 3
4

GND
FM_3.3V 5

C161 0.1uF/25V/X5R
C765 R765 GND 6 5
TUNER_R 7 6
0.1uF/50V/X7R 470/5%

C195 0.1uF/25V/X5R
7

2
R764 100 + TUNER_L 8
CE19 9 8
IISD 9
C135 C136
C766 47uF/16V
XP16

47pF/50V/NP0

47pF/50V/NP0
ZD752 1uF/10V/Y5V 9PIN/2.0mm
BZV55C3V9/3.9V

i
m
FB30 500/500mA
V_12V VCC_4052
A

FB29 500/500mA
S

R230 R197
BT_R 10K 100K

D
BT_R 6
BT_L VCC_4052
BT_L 6 R176 Vref DVCC3
100 R182 5.1 Ÿ DVCC3
VCC_D
BT input: 1.4Vrms * 10K/(5.6K+10K) =0.9Vrms U19
CE21
74HC4052 C149
C151 C194 R183 R198 +

220uF/16V
TUNER_L R177 3.9K/1% C147 4.7uF/10V/X5R 12 16 22K 100K

FB22

R178
R181

R179
0.1uF/25V/X5R 1uF/25V/Y5V

0.1uF/25V/X5R
BT_L R250 5.6K/5% C148 4.7uF/10V/X5R 14 X0 VCC
BT_L 15 X1
AUX_L R180 10K C150 4.7uF/10V/X5R 11 X2
AUX_L X3 C152 4.7uF/10V/X5R U20
13 L
TUNER_R R184 3.9K/1% C153 4.7uF/10V/X5R 1 X

500/200mA
ADC_AK5358A

4.7K
4.7K

4.7K
BT_R R259 5.6K/5% C154 4.7uF/10V/X5R 5 Y0
BT_R 2 Y1 ADC_INR 1 16
AUX_R R185 10K C155 4.7uF/10V/X5R 4 Y2 ADC_INL 2 AINR CKS0 15
AUX_R Y3 C156 AINL CKS2
3 R 4.7uF/10V/X5R 3 14
R186
R187

R188
R189
R221

R260

4052_SW1 R190 1K 10 Y 4 CKS1 DIF 13

4052_SW2 R191 1K 9 A 5 VCOM PDN 12 AD_BCLK
B 6 AGND SCLK 11 AD_MCLK
R192
R193

6 C157 C158 7 VA MCLK 10 AD_LRCK

EN R194 R195 VD LRCK
7 8 1000pF/50V/X7R 1000pF/50V/X7R 8 9 R196 33 AD_DATA
20K

20K

10K

10K

VEE GND 1M 1M DGND SDTO

3.9K/1%

3.9K/1%

C160
E
jo
CE22
+
4.7K
4.7K

C159
NC/0.1uF/25V/Y5V

0.1uF/25V/X5R
10uF/16V
VCC_D

HCD-ECL77BT/ECL99BT
27 27
HCD-ECL77BT/ECL99BT

5-10. SCHEMATIC DIAGRAM - MAIN Board (7/8) -

1 2 3 4 5 6 7

MAIN BOARD (7/8) VD3.3V

A C162
0.1uF/25V/X5R

R199

MUTE
1K
Q13
NPN_3DG3904M C163 PWM OUT
VD3.3V 0.1uF/25V/X5R VD3.3V
C164
R201 EAPD
0.1uF/25V/X5R
R200 10K
47K
R202 C165
1K 0.1uF/25V/X5R

64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
U21

R203

NC

NC
VDD

VDD
GND

GND

EPAD
PDWN

BICKO
SDI_12

OUT1A
OUT1B
LRCKO
SDO_34
SDIO_78
SDIO_56
10K
C166 1 48
0.1uF/25V/X5R 2 MOV OUT2A 47
AMP_RST R204 33 3 GND OUT2B 46 R205 33
AMP_RST VDD3.3 NC CH3A
4 45 R207 33
DSP_SDA

B
R206 33 GND GND CH3B
IIC DSP_SDA 5 44 R209 33
DSP_SCL DSP_SCL R208 33 NC VDD CH4A
6 43 R210 33 VD3.3V
SDI_78 OUT3A CH4B
I2S_D1 I2S_D1 R212 33 7 42 R222 33
SDI_56 OUT3B CH5A
I2S_D2 I2S_D2 R211 33 8 STA309A 41 R223 33
SDI_34 OUT4A CH5B
9 40 +
SDI_12 OUT4B C171
DSP_LRCK DSP_LRCK R213 33 10 39
IIS INPUT DSP_BCLK R214 33 11 LRCK1 OUT5A 38 0.1uF/25V/X5R
DSP_BCLK BICK1 OUT5B
C177
12 37
C172 C173 C174 C175 C176 13 VDD3.3 NC 36 CE23
14 GND GND 35 22uF/16V

15PF

15PF

15PF

15PF

15PF
NC VDD3.3V

15PF
15 34

OUT8_B
OUT8_A
OUT7_B
OUT7_A
VDD3.3
CKOUT
RESET OUT6A

GNDA
VDDA
16 33 C168 C169 C167 C170 C188 C189

GND
SDA
SCL
PLLB OUT6B

XT1
FIL
NC

NC
SA
C179 C178

47pF/50V/NP0

47pF/50V/NP0

47pF/50V/NP0

47pF/50V/NP0

47pF/50V/NP0

47pF/50V/NP0
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
R215

0.1uF/25V/X5R

0.1uF/25V/X5R
R216
DSP_MCLK DSP_MCLK 0
10K VD3.3V

C180
15PF

R217 R218
10K 10K

C C181

i
0.1uF/25V/X5R

VD3.3V

R219

m
FB23
3.3K 500/800mA

C182 + CE24
C183
0.1uF/25V/X5R 22uF/16V 0.1uF/25V/X5R
FB24 C184 C185 C186
DVCC3 VD3.3V
500/800mA

1200pF/50V/X7R

100pF/50V/NP0

220pF/50V/NP0
R220
2.2
C187 + CE25

0.1uF/25V/X5R 22uF/16V

MHC-ECL99BT USE BUT 77BT DOESN'T

V_12V FB25
500/800mA Q14
R224 0 NPN_S8050C 1
2 1
2
+ CE26 C190 R229 0
XP14
47uF/16V 2PIN/2.0mm
0.1uF/50V/X7R

GND_FAN
GND_FAN +
R226 1K D6 LL4148 CE27 C191
R227 470 D7
jo
E
FAN_PWM
GND_FAN

R228 1K
Q15
NPN_3DG3904M

GND_FAN

GND_FAN
C192
1uF/25V/Y5V
GND_FAN

FB26
500/800mA
R225
51K
47uF/16V

GND_FAN
GND_FAN
0.1uF/25V/X5R

GND_FAN
LL4148

GND_FAN

HCD-ECL77BT/ECL99BT
28 28
 HCD-ECL77BT/ECL99BT

5-11. SCHEMATIC DIAGRAM - MAIN Board (8/8) -

1 2 3 4 5 6 7 8 9

MAIN BOARD (8/8) U481

STA516B

A
36 1 L485
VCC-Sign SUB-GND 10uH/12A
35 2
VCC-Sign OUT2B FR+
C482 C481
34 3
0.1uF/50V/X7R 0.1uF/50V/X7R VSS OUT2B C739
33 4 0.1uF/50V/X7R
VSS VCC2B R488
32 5 22 Ÿ R490
CH4B IN2B GND2B 6.2 Ÿ C740 C523
CON_7P_0GNDD
31 6 C736 0.1uF/50V/X7R 0.22uF/50V/Y5V
PWM INPUT CH4B IN2A GND2A C518
1 1uF//50V/X7R
1 SUB+ 1uF/63V
2 30 7
2 SUB- CH4A IN1B VCC2A
3 C502
3 FL+
4 Temperature protect output CH4A 29 8 C737 330pF/50V/X7R
4 FL- IN1A OUT2A
5 AMP_FAULT 0.1uF/50V/X7R
5 FR+
6 28 9 C521
FR-

PBTL
6 7 TH-WAR OUT2A
7 27 10 0.01uF/50V/X7R
R484 + C494 R232 FAULT OUT1B
XP21 CE481 NC/10K
10K 100uF/16V NC/0.1uF/16V/X7R 26 11
TRI-STATE OUT1B

COMPATIBLE process input EAPD

25

24
PWRDN VCC1B
12

13
C503
330pF/50V/X7R
C741
0.1uF/50V/X7R R492
NC/CON_5P_0GNDD CONFIG GND1B 6.2 Ÿ C524

B FB481 75/200mA 23 14 C748 0.22uF/50V/Y5V

1 DVCC3 VL GND1A
1 FL+ 1uF//50V/X7R
2
2 FL- 22 15 R489
3 VDD VCC1A
3 FR+ 22 Ÿ C742
4 C504
4 FR- C109 21 16 C749 0.1uF/50V/X7R
5 VDD OUT1A L486
5 1uF/16V/X7R 0.1uF/16V/X7R C506 0.1uF/50V/X7R
10uH/12A
20 17
GND-Reg OUT1A FR-
XP22
0.1uF/50V/X7R
19 18
GND-CLEAN NC AMP_36V

CE710 +

0.1uF/50V/X7R
C750
1000uF/50V
U482
STA516B

36 1
VCC-Sign SUB-GND L487
10uH/12A
35 2
VCC-Sign OUT2B FL+
R773 220K C484 C483
FR+
34 3
0.1uF/50V/X7R 0.1uF/50V/X7R VSS OUT2B
R775 C530 C747

C 220K 33 4 0.1uF/50V/X7R
10uF/16V/X7R VSS VCC2B R494

i
R774 220K 32 5 22 Ÿ R495
FR- CH3B IN2B GND2B 6.2 Ÿ C746 C525
31 6 C738 0.1uF/50V/X7R 0.22uF/50V/Y5V
PWM INPUT CH3B IN2A GND2A 1uF//50V/X7R
30 7
CH3A IN1B VCC2A C508
Q756 Q757 Temperature protect output CH3A 29 8 C743 330pF/50V/X7R C519
PNP_3CG3906M PNP_3CG3906M IN1A OUT2A 0.1uF/50V/X7R 1uF/63V
AMP_FAULT
28 9

PBTL
TH-WAR OUT2A

m
R486 27 10
+ C495 R233 FAULT OUT1B C522
R776 220K CE482
FL+ NC/10K
NC/10K NC/0.1uF/16V/X7R 26 11 0.01uF/50V/X7R
R778 C531 NC/47uF/16V TRI-STATE OUT1B
220K 25 12 C509
process input EAPD PWRDN VCC1B
10uF/16V/X7R 330pF/50V/X7R
R777 220K 24 13 R493
FL- CONFIG GND1B 6.2 Ÿ C526
DVCC3 FB482 75/200mA 23 14 C753 C745 0.22uF/50V/Y5V
VL GND1A 1uF//50V/X7R
22 15 R491 0.1uF/50V/X7R
VDD VCC1A 22 Ÿ C744
C127 C505
Q758 Q759 21 16 C752 0.1uF/50V/X7R
VDD OUT1A L488

D
PNP_3CG3906M PNP_3CG3906M 1uF/16V/X7R 0.1uF/16V/X7R C507 0.1uF/50V/X7R
10uH/12A
20 17
GND-Reg OUT1A FL-
0.1uF/50V/X7R
R780 220K 19 18
SUB+ GND-CLEAN NC AMP_36V
R781 C532
220K
10uF/16V/X7R
R779 220K
SUB-
CE711 +

0.1uF/50V/X7R
C751
1000uF/50V
U483
STA516B
Q760 Q761
36 1
PNP_3CG3906M PNP_3CG3906M VCC-Sign SUB-GND L489
10uH/12A
R782 35 2
VCC-Sign OUT2B SUB+
100 C486 C485
34 3
0.1uF/50V/X7R 0.1uF/50V/X7R VSS OUT2B C762
33 4 0.1uF/50V/X7R
VSS VCC2B R500
32 5 22 Ÿ R501

E
R783
100K
C769
0.22UF/50V/Y5V

Q17
NPN_3DG3904M
jo +12V-A
AMP_FAULT Temperature protect output

process input
AMP_FAULT

DVCC3
PWM INPUT

EAPD

FB483
CH5B

CH5B

CH5A
CH5A

R496

NC/10K

75/200mA
CE483
NC/47uF/16V
+ C496
NC/0.1uF/16V/X7R
R234
NC/10K
31

30

29

28

27

26

25

24

23

22
IN2B

IN2A

IN1B

IN1A

TH-WAR

FAULT

TRI-STATE

PWRDN

CONFIG

VL
GND2B

GND2A

VCC2A

OUT2A

OUT2A

OUT1B

OUT1B

VCC1B

GND1B

GND1A
6

10

11

12

13

14

15
C756
1uF//50V/X7R

C758
0.1uF/50V/X7R

C757
1uF//50V/X7R
C512
330pF/50V/X7R

C513
330pF/50V/X7R

R499
C520
6.2 Ÿ

1uF/63V

C760
0.1uF/50V/X7R
C761
0.1uF/50V/X7R

R498
6.2 Ÿ
C529

0.01uF/50V/X7R
C527
0.22uF/50V/Y5V

C528
0.22uF/50V/Y5V
PBTL
8

VDD VCC1A 22 Ÿ
3 C511 C759
+ 21 16 C755
1 VDD OUT1A L490 0.1uF/50V/X7R
C128 0.1uF/16V/X7R C510 0.1uF/50V/X7R
V_12V +12V-A 2 10uH/12A
- 20 17
U23A 1uF/16V/X7R GND-Reg OUT1A SUB-
F4558 0.1uF/50V/X7R
19 18
4

GND-CLEAN NC AMP_36V
R235
10 C220
0.1uF/50V/X7R

CE712 + C754
AMP_DET1 R251 1000uF/50V 0.1uF/50V/X7R
4

R237 R236 15K CE36 22uF/50V 3.3K

F
- 6 D10 LL4148 SUB+
5.6K
7
+

AMP_DET + 5
CE32 4.7uF/50V R238
U23B D8 LL4148 FL+
F4558 R240 R241 R242 + CE34
+

R239 C221 1K
8

CE33 30K
2.7K 220K 68.1K
1uF/16V/X7R 0.1uF/50V/X7R 10uF/16V D9 LL4148 FR+
+

R244 CE35 4.7uF/50V R243

+12V-A
12K 1K

R265 R246 R247

R245 C222
8.2K 8.2K 8.2K
20K 0.1uF/50V/X7R 77BT_LT 77BT_U2 99BT_LT 99BT_U2
R244 13K 15K 10K 10K
R251 None None 1.5K 1.2K
R238 1K 1K 6.8K 8.2K
R243 1K 1K 6.8K 8. 2K

HCD-ECL77BT/ECL99BT
29 29
 HCD-ECL77BT/ECL99BT

5-13. SCHEMATIC DIAGRAM - FRONT Board -

1 2 3 4 5 6 7 8 9

FRONT BOARD +12V

R2
AC2 VFD1
-

NC(6G)

NC(2G)

NC(2G)

NC(1G)
R1 0
470

P10
P11

P12
P13
P14
NP

NP
1G
2G
3G
4G
5G
6G
7G
8G

P1
P2
P3
P4
P5
P6
P7
P8

P9
F2
F2

F1
F1
+5VA

9
8
7
6
5
4
3
2
1
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
+12VA
R3 R5
10K R4 Q1 2.2 AC2
Q2 470 NPN_3DG3904M AC1 R6 5.6 Ÿ
NPN_3DG3904M

C1 0.1uF/50V/X7R CE1 "3.3uF R7 470 R8 330/1%

Q3

+
NPN_3DG3904M
R9 8.2K R10 4.7K
Q4 ZD1 +
C28 PNP_3CG3906M BZX79C6V2 R11 CE2
Q5 R13 10K "3.3uF
R12 10K

NC/0.1uF/50V/X7R
NPN_3DG3904M 1K

-24V R15 0

C2
3300pF/50V/X7R Improve AM sensitivity -24V

B
R21

LR24
1K
STB_5V

33
32
31
30
29
28
27
26
25
24
23
STB_5V U1

G5
G6

VEE

SEG9
SEG16
SEG15
SEG14
SEG13

SEG12
SEG11
SEG10
R29
R60 34 22
100 35 G4 SEG8 21
R26 1K 36 G3 SEG7 20
1K G2 SEG6/K6
37 19
+12V R27 1K +5VA 38 G1 SEG5/K5 18
IR1 VDDDRIVER_VFD_CS6312EN SEG4/K4
39 17
LED1 1 IR LED4 SEG3/K3
IR R28 40 16

1
2 LED3 SEG2/K2 +5VA
LED_BULE GND 51K 41 15
3 C6 LED2 SEG1/K1
ZD2 C7 42 14

ESD1
VCC

NC/PESD5V0S1BA/30K/35pF
4 + CE3 LED1 VDD
XS1 GND C9 BZX79C5V1 4.7uF/16V/Y5V 0.1uF/50V/X7R 43 13

D1

D2

D3

D4
R59 R18 5 47uF/16V GND KEY4
13PIN/2.0mm/120mm GND C12 44 12
4.7K 4.7K 0.1uF/25V/Y5V OSC KEY3
13
13 IRM_10mm 47pF/50V/NP0
12 R14 0 VFD_CLK C8

SDout

SCLK
12

KEY1
KEY2
GND
SW1
SW2
SW3
SW4

SDin
11 R16 0 VFD_DATA 4.7uF/16V/Y5V

/CS
11

1N4148

1N4148

1N4148

1N4148
10 R58 1K POWER_KEY
10 9 R17 0 VFD_CS +5VA
9 8

1
2
3
4
5
6
R35 7
8
9
10
11
8 7

C
R19 0 +12V
7 6 R20 0 -24V

R36
R37

R38
R39
6 5 R31 R32 R33

i
5 4 R22 1K IR 1K 1K 1K R34
4 3 R24 0 STB_5V 4.7K
3 2 STB_5V
VR1

0
2 1

2.2K
2.2K

2.2K
2.2K
C3

C4

C5

1 5 2 R30 22 VOL-
GND VOL-
4 +5VA
1000pF/50V/X7R

1000pF/50V/X7R

1000pF/50V/X7R

GND VFD_DATA R41 100

3 1 R40 22 VOL+
GND VOL+

m 1

1
VFD_CLK R42 100
ENCODER C10 C11

ESD3

ESD4
NC/PESD5V0S1BA/30K/35pF

NC/PESD5V0S1BA/30K/35pF

K1

K2

K3

K4
KEY1
KEY2

KEY3
KEY4
VOL+

100pF/50V/NP0 100pF/50V/NP0 VFD_CS R43 100

VOL-

2
D SW1 SW2 SW3 SW4
KEY1 K1 KEY1 K2 KEY1 K3 KEY1 K4

<BASS BOOST> <FUNCTION> <PLAY> <STOP>

C13 C14 C15 C16

47pF/50V/NP0 R44 47pF/50V/NP0 R45 47pF/50V/NP0 R46 47pF/50V/NP0 R47

47K 47K 47K 47K

SW5 SW6 SW7 SW8

KEY2 KEY2 KEY2 KEY2

<TUNING+> <ENTER> <REC TO USB> <TUNING->

C17 C18 C19 C20

E
KEY3
47pF/50V/NP0 R48
47K

SW9

<EQ>
jo KEY3
47pF/50V/NP0 R49
47K

SW10

<NEXT>
KEY3
47pF/50V/NP0 R50
47K

SW11

<PREV>
POWER_KEY
47pF/50V/NP0 R51
47K

SW12

<POWER ON/OFF>
KEY PART

1
C21 C22 C23

ESD2

NC/PESD5V0S1BA/30K/35pF
47pF/50V/NP0 R52 47pF/50V/NP0 R53 47pF/50V/NP0 R54
47K 47K 47K C24
100pF/50V/NP0

2
SW13 SW14 SW15
KEY4 KEY4 KEY4

<BLUE TOOTH> <BLUE TOOTH> <OPEN/CLOSE>

C25 C26 C27

F
47pF/50V/NP0 R55 47pF/50V/NP0 R56 47pF/50V/NP0 R57
47K 47K 47K

HCD-ECL77BT/ECL99BT
31 31
 HCD-ECL77BT/ECL99BT

5-15. SCHEMATIC DIAGRAM - USB Board -

1 2 3 4 5 6 7 8 9
ECL77BT: AEP, UK/
ECL99BT: US, CND, UK
USB BOARD
A
AUDIO IN P1
4PIN/2mm
XS1

5
VCC 1
4 2 1

Shell B Shell A
VCC 3 DN DN 3 2
P2 D- 2 DP DP 4 3
6 D+ 1 4
DET 5 GND
GND 4 C1 C2 C5 C6 4PIN/2.0mm/140mm
GND 2 R1 100 AUX_L
SIN

6
3 R2 100 AUX_R 1uF/25V/Y5V
close to XP1
SGND 7 0.1uF/50V/Y5V NC NC
GND 8 500/200mA FB4
GND 9 R3 R4
GND 1

100pF/50V/NP0

100pF/50V/NP0
GND ESD1 ESD2
C4 C3 FB5
1

1
9PIN/H-CKX-3.5-12 47K 47K S S

MLSEP24B-0603

MLSEP24B-0603
NC/PESD5V0S1BA_5.0V

NC/PESD5V0S1BA_5.0V
ESD3

ESD4
500/200mA

B XS2
3PIN/2.0mm/200mm

USB
2

AUX_L 500/200mA FB1 IN_L 1

GND_AUX 2 1 S S
AUX_R 500/200mA FB2 IN_R 3 2
3

C ECL77BT: E2, E4, E51, E93, MX, BR, AR/

ECL99BT: E2, E4, E51, E93, MX, AR, RU

i
USB BOARD

m
AUDIO IN XS1

5
1
4 2 1

Shell B Shell A
VCC 3 DN DN 3 2
D- 2 DP DP 4 3
D+ 1 USB_GND 4
J1 GND

GND
4PIN/2.0mm/140mm

D
C6 C7
1 R1 100 AUX_L P1 C1 C2

6
2 4PIN/2mm
3 R2 100 AUX_R 0.1uF/50V/Y5V 1uF/25V/Y5V close to CONS4-L
4
NC NC
500/200mA FB4
R3 R4
RCA/2h
100pF/50V/NP0

100pF/50V/NP0

C4 C3 FB5
FB6 ESD1 ESD2
1

47K 47K S
PESD5V0S1BA_5.0V

PESD5V0S1BA_5.0V
ESD3

ESD4

500/200mA 500/200mA

MLSEP24B-0603

MLSEP24B-0603
XS2

USB
3PIN/2.0mm/200mm
2

AUX_L 500/200mA FB1 IN_L 1

GND_AUX 2 1 S S S
AUX_R 500/200mA FB2 IN_R 3 2
3

NOT INSERT: GND

jo V_12V
MIC_OUT
MIC_DET
GND
1
2
3
4
5
6
7
8
XS3

1
2
3
4
5
6
7
8
8PIN/2.0mm/200mm

COMPATIBLE

V_12V

MIC_DET: R7 2.2K 12VA R8 22K REFM

INSERT: VOLTAGE PULL UP

+ CE19 C138 + CE20
0.1uF/50V/Y5V

F
GND_MIC 47uF/16V R9
9PIN/H-CKX-3.5-12 FB3 500/200mA R5 100 MIC 47uF/16V
1
GND 9 C139 47pF/50V/NP0
GND 8 R6 22K R10
GND 7 R12 47K
GND 3 R17 100 MIC_DET 10K
SGND
2 100K
SIN 4 12VA
GND 5 C140
GND

4
6 2.2uF/16V/X5R F4558
DET

8
MIC R11 5.6K 2 - U18A
P3 1 C141 2.2uF/16V/X5R 5
3 + + 7 R13 1K MIC_OUT
C142 6
-
1

U18B
8
PESD5V0S1BA_5.0V

C5 C143 2.2uF/16V/X5R F4558 R16

3300pF/50V/X7R
ESD5

4
0.1uF/50V/Y5V

REFM C144
12VA
R14 100K 680
100pF/50V/NP0
2

MIC IN
R15

C145 47pF/50V/NP0

20K

G MIC_OP
C146
2.2uF/16V/X5R

HCD-ECL77BT/ECL99BT
33 33
 HCD-ECL77BT/ECL99BT

5-17. SCHEMATIC DIAGRAM - POWER Board -

1 2 3 4 5 6 7 8 9

POWER BOARD
A Reference 01U0PWINP-PW401 (Remove the capacitors are compatible) HV

Alternative R509
CN502
NC RV502 C523
CE509 CE503 NC
+ + NC
R508 CY507 470pF/250VAC
150uF/250V
NC NA
1
2

230VAC\115VAC JP515 C526

1
2

NC HV CY506 1000pF/250VAC
SW1 Change SW2
JP506
JP507 NC

Alternative JP514 R519

JMP C509
Value
Alternative T502
NC R506 0.0022uF(222)400V PQ3230 C510 2200pF/1KV
JMP Alternative 2M

B
47K/3W R510
Alternative 1 A8 8
BD501 R511 VDD A9 9
1

T501_S3 1 CN504
R505 10/1W 6PIN/2.0mm/160mm
+

2M R538 2 +36V M36V 1 1:+36V 36V/8A

2 3 RV503 NC 2 1
CE504 2M 2:+36V
CE510 R552 R555 R550 R551 2 3 3 2
3:+36V
N.C 4 3
+ + 4:GND
R587 D515 SF20A300HPI/20A/300V 5 4
5 5:GND
4 -

NC 150uF/250V 6 6:GND
KBU610 R528 LIF503 6
NA C559
2M 22 22 22 22
NC T501_P1 3 T501_S2 C553
D CE506 CE507 0.1uF/50V/Y5V
CE508 0.1uF/50V/Y5V
10 + +
R503 1M R504 1M D506 D507 A10 12 ZD504 + 250uH
A12
1500uF/50V 1500uF/50V 1000uF/50V
K12 01U0PWINP-PW201 R566 FR207/2A/1000V FR207/2A/1000V
2M
BZX79C12
LIF502
R518 T501_P2 5
6.6MH P-GND
33K 7
FR107/1A/1000V A7

C
R575 47 Ÿ C512 P
D502

i
Vcc JP503 100 VFB R533 R533 47 Ÿ T501_P3 6 R536 NC/0.1uF/50V/X7R
FB
R557
+ R562
N L CX502A AC_OK CE505 R512 100K/1%
N L R517 L6566B 47uF/50V
CX502 0.33uF/275VAC 56K/1% 470
NC 33K C506 R515 NC/56
JP504 0 JP504
30K Q541
R553 PNP_MMBT8550CLT1
1 16 2200pF/50V/X7R LOOP

m
CY503 CY505 HVS AC_OK R513
100pF/250VAC 100pF/250VAC 18K R561
2.2K
2 15 R535 C513 R567
N.C. VFF

1
Vcc D503 47pF/50V/NP0 R540 75K/1% TR540 PCON
D541
R507 C507 U502 C554 470pF/50V/NP0 NTC/10Kohm 220
P 3 14 22K BAS316/100V/0.5A 10 Ÿ Q501 BPC-817M OPP R542 R549 10K
GND SS Q563 10K

D
2200pF/50V/X7R Q614 33.2K/1% R547
C521

2
R554 10K C555 R548 2.2K
LIF501 4 13 OCS 0.47uF/25V PNP_MMBT8550C G Q503 1N4148 R544

S
GD OCS R537 12N80 R541 100K 1.5K/1% 22K

D
6.6MH D504 C515 0.1uF/50V/Y5V R568 8 NPN_MMBT8050CLT1 R571 0
10 Ÿ

2
CE555 Vcc 5 12 R521 NC D505 BAS316/100V/0.5A R531 R560 100
C511 Vcc MODE/SC BAS316/100V/0.5A G 10pF/1KV U503 R556 U540B V+ 5

S
+ +

D
22uF 33 12N80 1 12.1K/1% 7 CE540 Q540
0.1uF/50V 6
FMOD 11 QR Optional Q613 R530 R534 18K/1% 6 + NPN_3DG3904M
FMOD ZCD V- -
AS431 + CE542 LM3580 ZD506 R546

3
PNP_MMBT8550C 22uF/16V C540 1K
7 10 220uF/16V C542 4 R545 + CE541 BZX79C12
CS VREF R529 33 10K 10K 0.1uF/50V/X7R 2.21k/1% 0.1uF/50V/X7R
CX501 0.33uF/275VAC 10UF/50V
C517 R520 8 9 JP502 0
DIS COMP C557 C558 R5057 R5051 R5052 R5053 R5054 R5055 R5056 R5058 R5050 R50510 R543 33.2K/1%
330 PF
R502 1M
JP510
R501 1M 10K U501
0.1uF 0.1uF 1 1 1 1 1 1 1 1 1 1 VFB LOOP Q542
FF Option R572 R573 NC
0 0
R574 NC C541
1K R532 1K CPP optional R539 R564
NC
R576 20K TR502 NTC/10K 2.2K 4.7K
RV501 VDR/470V ZD503

1
F501 Close to MOSFET heatsink C522 C516 C514
TR501 ZD502 R522 R565 CN505
0.01uF/50V/Y5V 0.01uF/50V/Y5V 0.01uF/50V/Y5V

E
NTC/3ohm/3.6A
FUSE_6.3A/250V

CN501
jo BZX79C15
15K

B5V1 Q543

D
S
0.1uF/50V/X7R
G

C518
N_2N7002

R563

22K

2
U505

BPC-817M
2.2K
M36V 1
2
3
PCON 4
Fset 5
CN503

1
2
3
4
5
5PIN/2.0mm/80mm
1: M36V
2: GND
3: GND
4: PCON
5: Fset
36V/0.7A
M36V

PCON
Fset
M36V
1
2
3
4
5
6
7
8
11PIN/2.0MM/260MM
1
2
3
4
5
6
7
8
1
2

C508 9
10 9
10
1
2

11

0.01uF/50V/X7R
11
CY502 R525 100K
2PIN/7.92mm T503 VFB Fset P
NC

1
NC
U504 1K R558
R559
C556
HV 1 A8 8 T501_S3 BPC-817M 4.7K
VDD R526
A9 9 0.1uF/50V/X7R
3

2
OCS P
Q502 Alternative
P NPN_MMBT3904LT1
270K/1%
2
N.C
C527 R527
R524 470K 0.1uF/50V/X7R 10K JP501
FMOD OCS

F
JP504 JP516 0 JP504 M36V M36V
T501_P1 3
R523 D
C524 24K/1% 10 T501_S2
1uF/50V/X7R A10 12 AC_OK JP505 0 AC_OK
A12 JP517 0

T501_P2 5 JP518 0
P-GND
FF Optional
7
frequency modulation A7 R5059 0

T501_P3 6
FB

G * CAUTION :
THE PARTS MARKED WITH ARE IMPORTANT PARTS ON THE SAFETY.
PLEASE USE THE PARTS HAVING THE DESIGNATED PARTS NUMBER WITHOUT FAIL.

HCD-ECL77BT/ECL99BT
35 35
HCD-ECL77BT/ECL99BT

5-18. SCHEMATIC DIAGRAM - TUNER Board -

1 2 3 4 5 6 7
(ECL99BT: US, CND)

TUNER BOARD FM OUTPUT

A
XS1
9PIN/2.0mm/140mm
RDS 1
GND 2 1
TUNER_SCL 3 2
TUNER_SDA 4 3
5 4
FM_3.3V 5
GND 6
TUNER_R 7 6
TUNER_L 8 7
9 8
IISD 9

FM_3.3V

R142
C189 NC/1uF/10V/Y5V

TM11

TM17
U17
C235 22pF/50V/NP0

4.7K
1 20 AGND
2 GND VDD 19

B
XP36 C131 VDDRF X2 Y5 12MHz/20PPM AGND
3 18
2 FB18 4.7nh 4 CP2 X1 17 C236 NC/22pF/50V/NP0
2 1 5 FRF1 CP1 16
1 33pF/50V/NP0 6 GNDRF IISD 15 R26 8.2K C140 1uF/10V/Y5V TUNER_L
ARF1 LOUT

2
ESD11 7 14 R24 8.2K C127 1uF/10V/Y5V TUNER_R
2PIN/2.5mm FB19 RDS 8 ARF2 ROUT 13 R530 Bead/220 TUNER_SDA
RFGND 270nH 9 IIC/RDSI DA 12
TUNER_SCL R152 Bead/220 10 LA GND 11 EC619iP use
CK IC_20P_RZ5B705 VDD C138 C132 C143
EC619iP use

C137

R222

C141
1
RFGND R28 47pF/50V/NP0 1200pF/50V/X7R 1200pF/50V/X7R
PESD5V0S1BA_5.0V

C109

C139

C133

C144
C142
R155 C128

1uF/10V/Y5V

220pF/50V/NP0
18 Ÿ R158
0

1200pF/50V/X7R

47pF/50V/NP0
NC/0
RFGND

1uF/10V/Y5V
3900pF/50V/X7R
0.047uF/10V/X7R

0.012uF/50V/X7R
AGND 330
AGND

RFGND
C1 2.2pF/50V/NP0 RFGND FB6 500/500mA
R1 0 FM_3.3V
AGND AGND

C
R2 0

i
R3 + CE20
0
RFGND 10uF/16V
C188
C134
0.012uF/50V/X7R
NC/2.2uF/10V/Y5V

AGND

m
AGND

(ECL77BT: AEP, UK, E2, E4, E51, E93, MX, BR, AR/ECL99BT: UK, E2, E4, E51, E93, MX, AR, RU)

D TUNER BOARD
FM BORAD
FM_3.3V

FM_3.3V

10
11
12
13
R1
1K KST-MW104MV1-R78W
U1

GND1
GND2
GND3
GND4
XS1
9PIN/2.0mm/140mm FB1
1 RDS R2 33 IIC/RDSI 1 500/200mA
jo
E
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 IISD
LA
TUNER_SCL
TUNER_SDA
FM_3.3V
P_GND
TUNER_R
TUNER_L
C8
C9
1uF/16V/Y5V
1uF/16V/Y5V
R3
R4

R5
R6
33
33

33
33

C3 C4 C5 C6 C7
LA
CK
DA
FM_VCC_3.3V
P_GND
R_OUT
L_OUT
2
3
4
5
6
7
8
9
IIC/RDSI
LA
CK
DA
VCC(+3.3V)
GND
R-OUT
L-OUT
IISD
CE1
100uF/16V
+ C1
0.1uF/50V/Y5V
C2
0.01uF/50V/Y5V
FM_VCC_3.3V

P_GND

47pF/50V/NP0
S

47pF/50V/NP0

47pF/50V/NP0

47pF/50V/NP0

47pF/50V/NP0
S S S S S

HCD-ECL77BT/ECL99BT
36 36