SWA-155X

Ref. No. 3752

092002
SERVICE MANUAL

Powered sub-woofer with built-in 6ch amplifier

MODEL SWA-155X

Black and Silver models

DT,DS 120V AC, 50/60Hz
GQ,GT 230-240V AC, 50Hz

SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.

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 SWA-155X

SPECIFICATIONS

■ SWA-155X (subwoofer)
INPUT: RCA L/R/C/SL/SR/ subwoofer (500 mV/47 kΩ)
AMPLIFIER SECTION
Power output Front: 15 W x 2 (6 Ω /EIAJ)
Center: 15 W (6 Ω /EIAJ)
Surround: 15 W x 2 (6 Ω /EIAJ)
Subwoofer: 25 W (3 Ω /EIAJ)
Front: 11 W x 2 (6 Ω /DIN)
Center: 11 W (6 Ω /DIN)
Surround: 11 W x 2 (6 Ω /DIN)
Subwoofer: 20 W (3 Ω /DIN)
Total harmonic distortion: 0.1% (Output: 5 W)
Signal-to-noise ratio: 100 dB (STEREO: IHF A 0.5 V input)
SPEAKER SECTION
Type: J’DRIVE system, 16 cm OMF cone
GENERAL
Power supply AC 120 V, 60 Hz
AC 220–230 V, 50/60 Hz
AC 230–240 V, 50 Hz
Power consumption: 65 W
Power consumption (Max.): 135 W
Dimensions (W x H x D):185 mm x 299 mm x 312 mm
Weight: 8 kg
Others: Magnetic shielding (EIAJ)

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 SWA-155X

PANEL VIEW

Subwoofer SWA-155X (front panel)

POWER

POWER indicator
SWA-155X
POWERED SUBWOOFER
Lights up green when the
power is turned on.

Subwoofer SWA-155X (rear panel)

SUBWOOFER CONTROL
jack
POWERED SUBWOOFER SYSTEM
SWA-155X Connect this jack to the
Cooling fan PDR-155 SUBWOOFER
This fan starts rotating CONTROL jack.
when the output exceeds
a certain threshold to
release the heat inside
the subwoofer.
FRONT SUBWOOFER
SPEAKERS CONTROL
MULTI CH INPUT
L
FRONT

C R L
SURROUND

FRONT SPEAKERS R
MULTI CH INPUT jacks
connectors SUBWOOFER CENTER
Connect these jacks to the
Connect the D-M7 front
SURROUND
SPEAKERS PDR-155 MULTI CH OUT-
L/R speakers to the L/R
L
PUT jacks.
R

connectors and the D-M3

center speaker to the C
connector.

Power cable

SURROUND SPEAKERS connectors

Connect the D-M3 left/right surround speakers here.

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 SWA-155X

A B C D E

EXPLODED VIEW

S7 A6 S9
A8
A14
1 A3
S8 S11 S5

A2
A9
A8 A12 S5
A10 A4

P901 A16

A11 S1

T901
A13 U1
A6 S10
A7
A7 S6
S5 A1 S3
A5 A6 U5
3 A15

A2 F901 S2

U4
U3
S5
A3

A6
S4

SWA-155
4

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 A B C D
SCHEMATIC NAETC7513
L
R501

DIAGRAM

C 5 1 2C 5 1 1
102 102
330

R
R502 NAAF-7512
Q501 TDA8563AQ
330

2S I G G N D

4 +R OUT

6-R OUT

9+ L O U T
7-L OUT
5 P GND

11MODE
8P G N D

13IN L
1IN R

12DIA
R503

3 +V

10+V
1 LS

C 5 1 4C 5 1 3
102 102
330

R504
RS

330

R505
C C522

C 5 1 6C 5 1 5
102 102
330 10/50
R

GND
R506
SW+
L
C509

104
330 RS C521
10/50
GND
P501
LS

SW

GND
+9V

VGND +9V
Q502 TDA8563AQ

4+RS OUT
2SIG GND

6- R S O U T

9+ L S O U T
7- L S O U T
P502 GND

P503B

5P GND
P503A

1 1M O D E
8P G N D

1 3I N L S
1I N R S

1 2D I A
+V

1 0+ V
2

3
C524

10/50

C523

10/50

Q503 TDA8563AQ

4 +SW OUT
2 SIG GND

6-SW OUT

9+ C O U T
7-C OUT
5 P GND

11MODE
8P G N D
1IN SW

13IN C
12DIA
3 +V

10+V
3

C526

10/50

C525

10/50

4
R586
10K

Q592
2SA1162-GR
D591
R587
47K

1SS355
100
R589
R592
10K
P591
R598

1K
R585

R593
47K
0

R594 1K
R595 1K
R591
5.6K

R596 1K
NOTE 0 10K

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY. R588 R590 Q594
GND

2SC2712-GR
100/35
C592

+B

REPLACE ONLY WITH PART NUMBER SPECIFIED.

Q596
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE. (NO INPUT SIGNAL) 2SC2712-GR
Q591
470/25

Q593
C591

ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV. R599

RN1407
RN1407
PTH9M04BC222
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
5 EX) 030 3pF 330 33pF 331 330pF 333 0.033uF
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPRIVEMENT.

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 SWA-155X
E F G H

L541 R541

C541
S-1.3C

102
1 0( 1 / 2 W )

L551 R551

C551
S-1.3C 10

102

P508
P505A

P505B
R571 220K L542 R542

C542
102
S-1.3C 10
R572 220K

R575 220K
L552 R552

C552
102
S-1.3C 10

L545 R545

C545
10

102
S-1.3C

P506A

P506B
R573
L555 R555

C555
220K

102
S-1.3C 10
R574
220K
L546
P516A P516B S-1.3C
L543 R543

C543
102
R546 C546 S-1.3C 10
102J

10
L556 S-1.3C

P510
P526A P526B
L553 R553

C553
102

P509
C556

S-1.3C 10
102J

R556 L544 R544

C544
102
10 S-1.3C 10
E502
(1/2W)

MJJ NONE L554 R554

C554
S-1.3C 10

102
MJJ NONE

NAETC-7514
220K
R576

P971B
C971
10/50

R971
820 (1/2W)
R973

P971A
RN1402
Q971

GND

+B
R979
39 (1/2W)
JL982B
JL982A

R977

R972
47K

P981B
P981A

Z001
0
R978
2.2K

Q984
2SC1815-GR J TYPE G TYPE D TYPE P TYPE

T901 200-NS-340J 200-NS-340CE 200-NS-340UC 200-NS-340EK

F901 2.5A/125V T800MAL250V 2.5A/125V T800MAL250V

Q983
2SA950-Y
R985

R986
R983
18K

18K

47K

1K 103M/275VAC
R984
R987 C902
3.3K
Q982
2SC2712-GR RL901
Q981
R982
2.2/50 1M R989
220K
P902A

P902B
0.47/50
1SS355

C981
R988

2SK365-GR
C982

C983

47/16
R981

D981
220K

470

P901A

P901B

*T901 * F901
14 D901 P901
2 1SS355

13
5
12
GND

D991
+B

11 6
RBV1506
C992

334

T.FUSE
15000/25
C991

P991B

P991A
JL992B

JL992A

NAPS-7515
E501

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 SWA-155X
A B C D E F G H
SCHEMATIC NAETC7513
L
R501

DIAGRAM
C 5 1 2C 5 1 1
102 102

330

R
R502 NAAF-7512
Q501 TDA8563AQ L541 R541

C541
330
2S I G G N D

4 +R OUT

S-1.3C

102
6-R OUT

9+ L O U T
7-L OUT
1 0( 1 / 2 W )
5 P GND

11MODE
8P G N D

13IN L
1IN R

12DIA
R503
3 +V

10+V
1 LS
C 5 1 4C 5 1 3

L551 R551
102 102

330

C551
S-1.3C 10

102

P508
R504

P505A

P505B
RS

R571 220K L542 R542

C542
330

102
S-1.3C 10
R572 220K
R505
C C522 R575 220K
C 5 1 6C 5 1 5

L552 R552
102 102

330 10/50

C552
102
R S-1.3C 10
GND
R506
SW+
L
L545 R545
C509

C545
104

330 10

102
RS C521 S-1.3C
10/50
GND
P501

P506A

P506B
LS R573
L555 R555

C555
220K

102
SW S-1.3C 10
GND R574
+9V
220K
C L546
VGND +9V P516A P516B S-1.3C
Q502 TDA8563AQ L543 R543

C543
102
4+RS OUT
2SIG GND

S-1.3C 10
6- R S O U T

9+ L S O U T
7- L S O U T

R546

C546
P502 GND

102J
P503B

5P GND
P503A

1 1M O D E
8P G N D

10
1 3I N L S
1I N R S

1 2D I A

L556 S-1.3C

P510
P526A P526B
+V

1 0+ V

L553 R553

C553
102

P509
2

C556
S-1.3C 10

102J
3

R556 L544 R544

C544
102
10 S-1.3C 10
E502
(1/2W)

C524 MJJ NONE L554 R554

C554
S-1.3C 10

102
10/50

MJJ NONE
C523

10/50
NAETC-7514

220K
R576

P971B
C971
10/50
Q503 TDA8563AQ
4 +SW OUT
2 SIG GND

6-SW OUT

R971
9+ C O U T
7-C OUT
5 P GND

11MODE
8P G N D
1IN SW

13IN C

820 (1/2W)
12DIA
3 +V

10+V

R973

P971A
RN1402
Q971
GND

+B
R979
39 (1/2W)
JL982B
JL982A

R977
C526

R972
47K

P981B
P981A
Z001

0
10/50

R978
2.2K
C525

10/50
Q984
2SC1815-GR J TYPE G TYPE D TYPE P TYPE

T901 200-NS-340J 200-NS-340CE 200-NS-340UC 200-NS-340EK

F901 2.5A/125V T800MAL250V 2.5A/125V T800MAL250V

Q983
2SA950-Y
R985

R986
R983
18K

18K

47K

4 R984
R987
1K 103M/275VAC
C902
3.3K
Q982
2SC2712-GR RL901
R586

Q981
10K

Q592 R982
2SA1162-GR 2.2/50 1M R989
D591
R587
47K

220K
P902A

P902B
1SS355
0.47/50
1SS355

C981
R988

2SK365-GR
C982

C983

47/16

100
R981

D981
220K

470

P901A

P901B
*T901 * F901
R589
R592
10K

14 D901 P901
P591
R598

R593 1K 2 1SS355
R585

47K
0

R594 1K
R595 1K 13
R591
5.6K

R596 1K 5
NOTE 0 10K 12

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY. R588 R590 Q594
GND

2SC2712-GR
100/35

D991
C592

+B

6
REPLACE ONLY WITH PART NUMBER SPECIFIED. RBV1506
11
Q596
C992

334

VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE. (NO INPUT SIGNAL) 2SC2712-GR

T.FUSE

Q591
470/25

Q593
C591

ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV. R599

RN1407
RN1407
PTH9M04BC222
15000/25

ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.

5
C991

P991B

P991A

EX) 030 3pF 330 33pF 331 330pF 333 0.033uF

THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
JL992B

JL992A

EX) PRINTING SIDE NAPS-7515

E501
CIRCUIT IS SUBJECT TO CHANGE FOR IMPRIVEMENT.

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 SWA-155X　Parts list
DESTINATION
REF. No. Description Part No.
UDS UDT UGQ UGT
Circuit board section
C509 C-CERA C CK725F1E-104Z1 332161040R1 O O O O
C511-C516 C-CERA C CC725CH1E-102J1 or 342111024R1 or O O O O
CC725CH1H-102J1 or 342101024R1 or O O O O
CC725CH1E-102K1 342111025R1 O O O O
C521-C526 VX C CE04W50V10M 393381009 O O O O
C541-C546
C-CERA C CC725CH1E-102J1 342111024R1 O O O O
C551-C556
C591 VR C CE04W25V-470M(VR) 394654717 O O O O
C592 VR C CE04W35V-100M(VR) 394661017 O O O O
C902 IS C DE1607F103-KH 3300031 O O O O
C971 VR C CE04W50V-10M(VR) 394681007 O O O O
C981 VR C CE04W50V-2.2M(VR) 39468022 O O O O
C982 VR C CE04W50V-0.47M(VR) 394684797 O O O O
C983 VR C CE04W25V-47M(VR) 394654707 O O O O
C991 ELECT C SMH 15000μF/25V or - or O O O O
13000uF/25V 3504168 O O O O
C992 TF C ECQ-V50V-334J 374723344 O O O O
D591 D901 C-DIODE 1SS352 or 223234R2 or O O O O
D981 1SS355 223269R2 O O O O
D991 DIODE RBV-1506 or 22380044 or O O O O
D15XB60 22380309 O O O O
E501 RETAINER - O O O O
E903 TRM NTM-1P233 (M1969) 25060302 O O O O
F901A,B FUSE HOL NSCT-1P2031 25052133 O O O O
F901C F SPEC SHT Fuse description sheet (T800mAL250V) 29362519 - - O O
JL982 JUMPER LEAD JL4 250 B 4J250606B15 O O O O
JL982A,B WIRE HOL NSCT-4P875 25051088 O O O O
JL992 JUMPER LEAD JL4 200 H 4J200606H O O O O
JL992A,B WIRE HOL NSCT-4P895 or 25051108 or O O O O

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 NSCT-4P875 25051088 O O O O
L541-L546
S COIL S-1.3C 231176 O O O O
L551-L556
P501 PIN JACK NPJ-6PWRLGGP493 25045697 O O O O
P502 ST JACK LGY2502-0200C 25045696 O O O O
P503A SOCKET NSCT-11P1026 25051236 O O O O
P503B PLUG NPLG-11P663 25055707 O O O O
P505A SOCKET NSCT-6P2452 25052555 O O O O
P505B PLUG NPLG-6P1030 25056091 O O O O
P506A SOCKET NSCT-4P2450 25052553 O O O O
P506B PLUG NPLG-4P1028 25056089 O O O O
P508 TRM NTM-6PDML256 25060325 O O O O
P509 TRM NTM-4PDML252 25060321 O O O O
P510 PLUG NPLG-2P158 25055174 O O O O
P516 CRIMP AS CRIMP AS 2065525181UL O O O O
P526 CRIMP AS CRIMP AS 2065525203UL O O O O
P591 PLUG NPLG-2P645 25055689 O O O O
P599 WS CLAMP CP-1S 260224 O O O O
P901A PLUG NPLG-2P631 25055675 O O O O
P902B P991B PLUG NPLG-2P632 25055676 O O O O
P971A PLUG NPLG-2P349 25055366 O O O O
P981A P PLUG NPLG-2P568 25055600 O O O O
Q501 Q502
IC TDA8563AQ 22241679 O O O O
Q503
Q501A BRACKET (TR) 27130865 O O O O
Q591,Q593 TRANSISTOR RN1407 or 2216260R2 or O O O O
KRC107S 2216340R2 O O O O
Q592 TRANSISTOR 2SA1162-GR or 2214375R2 or O O O O
KTA1504-GR 2216185R2 O O O O
Q594 Q596
TRANSISTOR 2SC2712-GR or 2213145R2 or O O O O
Q982
KTC3875-GR 2216175R2 O O O O
Q971 TRANSISTOR RN1402 or 2214470R2 or O O O O

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 KRC102S 2216190R2 O O O O
Q981 TRANSISTOR 2SK365-GR 2212445 O O O O
Q983 TRANSISTOR 2SA950-Y 2211504 O O O O
Q984 TRANSISTOR 2SC1815-GR or 2211255 or O O O O
KTC3198-Gr 2215985 O O O O
R501-R506 C-CARBON R RN72K1J-331JE 435033314R1 O O O O
R509,R585
C-CARBON R RN72K1J-000JE 435030004R1 O O O O
R588,R972
R541-R546
METAL O R RS1/2WBJ-10 443521004 O O O O
R551-R556
R571-R576
C-CARBON R RN72K1J-224JE 435032244R1 O O O O
R981,R989
R586,R590 C-CARBON R RN72K1J-103JE 435031034R1 O O O O
R587,R598
C-CARBON R RN72K1J-473JE 435034734R1 O O O O
R977,R986
R589 C-CARBON R RN72K1J-101JE 435031014R1 O O O O
R591 C-CARBON R RN72K1J-562JE 435035624R1 O O O O
R593,R594
C-CARBON R RN72K1J-102JE 435031024R1 O O O O
R595,R596
R599 THERMISTOR PTH9M04BC222TS2 F333 4000150 O O O O
R971 METAL O R RS1/2WBJ-820 443528214 O O O O
R978 C-CARBON R RN72K1J-222JE 435032224R1 O O O O
R979 METAL O R RS1/2WBJ-39 443523904 O O O O
R982 C-CARBON R RN72K1J-105JE 435031054R1 O O O O
R983,R985 C-CARBON R RN72K1J-183JE 435031834R1 O O O O
R984 C-CARBON R RN72K1J-332JE 435033324R1 O O O O
R988 C-CARBON R RN72K1J-471JE 435034714R1 O O O O
RL901 RELAY NRL-1P5A-DC9-150 25065601 O O O O

Exploded view section

A1 HEAT SINK 27160506 O O O O
A2 BRACKET(LR) 27130881 O O O O
A3 BRACKET(BT) 27130882 O O O O

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 A4 CUSHION 10x10xt0.5 28141464 O O O O
A5 RETAINER AC CORD 27141822 O O O O
A6 SCREW 3TTB+8B 838130088 O O O O
A7 SCREW 3SMS8W.SW+14B(BC) 801433 O O O O
A8 SCREW 3TTB+8B(BC) 838430088 O O O O
A9 SCREW 5TTB+10B(BC) 838450108 O O O O
A10 SCREW 4TTC+10C(BC) 830440109 O O O O
A11 NUT FWN4*10FN 86414010 O O O O
A12 REAR PANEL - O O - -
- - - O O
A13 BUSHING S-RELIEF #2271 27300750 O O O O
A14 SERIAL LABEL - O O O O
A15 WIRE TIE BINDER(CLAMPER) UL 260208 O O O O
BOX + ACOUSTIC SPONG + BUTYL + LED
S1 CABINET AS 505-1HTP-DR7 O O O O
CORD AS + SP CORD AS
S10 SPEAKER UNIT for SUBWOOFER W16146B O O O O
S11 PACKING 130x35x1t 429-NS-323A O O O O
BOTTOM BOARD + DISK BOARD φ80 +
S2 BOTTOM BOARD AS DISK BOARD φ108 + ED BOARD + 516-HTP-DR7 O O O O
SPONGE
S3 WOOD SCREW BIND HEAD 4x20(BC) TAPPING(A) 300-B8402000 O O O O
S4 WOOD SCREW BIND HEAD 4x50(BC) TAPPING(A) 300-B8405000 O O O O
S5 WOOD SCREW BIND HEAD 4x16(BC) TAPPING(A) 300-B8401600 O O O O
S6 RUBBER WASHER φ7xφ3.9x1t 430-NS-291 O O O O
S7 PLATE PVC 1t BLACK 410-NS-323 O O O O
S8 COVER 400-1CNS-323 O O O O
S9 FRONT PLATE W/PRINTED 410-FSWA-155X O O O O
U1 PWB NCAF-7512 - O O O O
U3 PWB NCETC-7513 - O O O O
U4 PWB NCETC-7514 - O O O O
U5 PWB NCPS-7515 - O O O O
F901 FUSE 2.5A-UL/T-237 252160 O O - -
800mA-SE-EAK-FUSE 252069 - - O O

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 T901 P TRANS NPT-1441G 200-NS340CE - - O O
NPT-1441D 200-NS-340UC O O - -
P901 AC CORD AS-UC-2 253332HIT O O - -
AS-CEE 253335HIT - - - O
AS-BS 253198HIT - - O -

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 SWA-155X

ONKYO CORPORATION
Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN
Tel: 072-831-8111 Fax: 072-833-5222

ONKYO U.S.A. CORPORATION

18 Park Way, Upper Saddle River, N.J. 07458, U.S.A.
Tel: 201-785-2600 Fax: 201-785-2650 E-mail: onkyo@onkyousa.com
ONKYO EUROPE ELECTRONICS GmbH
Liegnitzerstrasse 6,82194 Groebenzell, GERMANY
Tel: +49-8142-4401-0 Fax: +49-8142-4401-555 E-mail: info@onkyo.de
ONKYO CHINA LIMITED
Units 2102-2107, Metroplaza Tower I, 223 Hing Fong Road, Kwai Chung,
N.T., HONG KONG Tel: 852-2429-3118 Fax: 852-2428-9039
HOMEPAGE
http://www.onkyo.co.jp/

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