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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.
SWA-155X

SPECIFICATIONS




SWA-155X (subwoofer)
INPUT: RCA L/R/C/SL/SR/ subwoofer (500 mV/47 k)
AMPLIFIER SECTION
Power output Front: 15 W x 2 (6 /EIAJ)
Center: 15 W (6 /EIAJ)
Surround: 15 W x 2 (6 /EIAJ)
Subwoofer: 25 W (3 /EIAJ)
Front: 11 W x 2 (6 /DIN)
Center: 11 W (6 /DIN)
Surround: 11 W x 2 (6 /DIN)
Subwoofer: 20 W (3 /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 220­230 V, 50/60 Hz
AC 230­240 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)
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.
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

2

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
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




2 IG GND




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




S
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

C


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.
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 S-1.3C 10
C546
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