SWA-155X
SERVICE MANUAL
SERVICE MANUAL
Powered sub-woofer with built-in 6ch amplifier
Black and Silver models
MODEL
SWA-155X
120V AC, 50/60Hz
230-240V AC, 50Hz
DT,DS
GQ,GT
Ref. No. 3752
092002
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)
Subwoofer SWA-155X (rear panel)
SWA-
155X
POWER
POWERED SUBWOOFER
POWER indicator
Lights up green when the
power is turned on.
POWERED SUBWOOFER SYSTEM
SWA-155X
L
C
R
L
R
SUBWOOFER
CONTROL
FRONT
SURROUND
SUBWOOFER
R
L
CENTER
FRONT
SPEAKERS
SURROUND
SPEAKERS
MULTI CH INPUT
SUBWOOFER CONTROL
jack
Connect this jack to the
PDR-155 SUBWOOFER
CONTROL jack.
MULTI CH INPUT jacks
Connect these jacks to the
PDR-155 MULTI CH OUT-
PUT jacks.
Power cable
SURROUND SPEAKERS connectors
Connect the D-M3 left/right surround speakers here.
FRONT SPEAKERS
connectors
Connect the D-M7 front
L/R speakers to the L/R
connectors and the D-M3
center speaker to the C
connector.
Cooling fan
This fan starts rotating
when the output exceeds
a certain threshold to
release the heat inside
the subwoofer.
SWA-155X
EXPLODED VIEW
SWA-155
A
1
2
3
4
BCD
E
S1
S10
S3
S2
S4
A6
U1
U5
U4
U3
A15
F901
A7
A1
A6
A6
A6
A2
A2
S5
S5
S5
S5
A7
A3
A3
A16
A11
A13
A5
A12
T901
A9
A8
A8
A10
S8
P901
S9
S6
S7
A14
A4
S11
SWA-155X
SCHEMATIC
DIAGRAM
A
1
2
3
4
5
B
C
DE
FG
H
T.FUSE
*T901
5
2
11
12
13
6
14
E501
E502
P526B
P526A
P516A
P516B
RL901
F901
*
P505A
P505B
P503B
P503A
P501
JL982A
JL982B
JL992B
P506B
P506A
JL992A
P502
Q971
RN1402
Q591
RN1407
Q593
RN1407
Q503
TDA8563AQ
1
2
3
4
5
6
7
8
9
10
11
12
13
Q502
TDA8563AQ
1
2
3
4
5
6
7
8
9
10
11
12
13
Q501
TDA8563AQ
1
2
3
4
5
6
7
8
9
10
11
12
13
R599
PTH9M04BC222
Z001
Q981
2SK365-GR
Q592
2SA1162-GR
Q983
2SA950-Y
Q984
2SC1815-GR
Q594
2SC2712-GR
Q596
2SC2712-GR
Q982
2SC2712-GR
L556 S-1.3C
L546
S-1.3C
L554
S-1.3C
L544
S-1.3C
L553
S-1.3C
L543
S-1.3C
L555
S-1.3C
L545
S-1.3C
L552
S-1.3C
L542
S-1.3C
L551
S-1.3C
L541
S-1.3C
D991
RBV1506
P981B
P981A
P971B
P971A
P591
P902B
P991B
P991A
P902A
P510
P901A
P901B
D591
1SS355
D901
1SS355
D981
1SS355
P901
P508
P509
R576
220K
R977
47K
R973
R978
2.2K
R972
0
R979
39 (1/2W)
R971
820 (1/2W)
R556
10
(1/2W)
R546
10
R585
0
R588
0
R586
10K
R587
47K
R589
100
R590
10K
R591
5.6K
R598
47K
R592
10K
R593 1K
R596 1K
R595 1K
R594 1K
R985
18K
R984
3.3K
R987
1K
R986
47K
R983
18K
R981
220K
R988
470
R989
220K
R982
1M
R554
10
R544
10
R553
10
R543
10
R555
10
R545
10
R552
10
R542
10
R551
10
R541
10(1/2W)
R574
220K
R573
220K
R575 220K
R572 220K
R571 220K
R502
330
R506
330
R505
330
R504
330
R503
330
R501
330
C971
10/50
C591
470/25
C592
100/35
C981
2.2/50
C983
47/16
C982
0.47/50
C525
10/50
C526
10/50
C523
10/50
C524
10/50
C521
10/50
C522
10/50
C991
15000/25
C556
102J
C546
102J
C902
103M/275VAC
C509
104
C511
102
C554
102
C544
102
C553
102
C543
102
C555
102
C545
102
C552
102
C542
102
C551
102
C541
102
C992
334
C516
102
C515
102
C514
102
C513
102
C512
102
L
R
LS
RS
C
R
GND
SW+
L
RS
GND
LS
SW
GND
+9V
C
VGND
+9V
GND
GND
+B
GND
+B
J TYPE
G TYPE
D TYPE
P TYPE
T901
200-NS-340J
2 00-NS-340CE
200-NS-340UC
200-NS-340EK
F901
2.5A/125V
T800MAL250V
2.5A/125V
T800MAL250V
MJJ NONE
MJJ NONE
NAPS-7515
NAETC-7514
NAETC7513
NAAF-7512
IN
C
+C
OUT
-C
OUT
-SW
OUT
+SW
OUT
IN
SW
DIA
MODE
+V
P
GND
P
GND
+V
SIG
GND
IN
LS
+LS
OUT
-RS
OUT
+RS
OUT
IN
RS
-LS
OUT
DIA
MODE
+V
P
GND
P
GND
+V
SIG
GND
IN
L
+L
OUT
-L
OUT
-R
OUT
+R
OUT
SIG
GND
IN
R
DIA
MODE
+V
P
GND
P
GND
+V
NOTE
THE COMPONENTS IDENTIFIED BY MARK
ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER)
IS DC VOLTAGE. (NO INPUT SIGNAL)
ELECTROLYTIC CAPACITORS (
) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030 3pF 330 33pF 331 330pF 333 0.033uF
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX)
CIRCUIT IS SUBJECT TO CHANGE FOR IMPRIVEMENT.
PRINTING SIDE