Panasonic SB-WA520GC Service Manual page 15

Active subwoofer system
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SCHEMATIC DIAGRAM-3
VOLTAGE SELECTOR CIRCUIT
W4
YEL
W3
GRY
W10
ORG
W9
WHT
F2
250V 1.6A
FC503
FC504
H500/W500
1
2
3
4
TO
5
POWER CIRCUIT
(CN503) ON
6
SCHEMATIC
7
DIAGRAM-2
8
9
10
11
12
TRANSFORMER CIRCUIT
CN502
TO
POWER CIRCUIT
(CP502) ON
SCHEMATIC
DIAGRAM-2
RED
W5
S500
K0AFZA000005
5
6
VIO
W6
240
4
220
7
127
110
110
LBLU
W7
127
3
220
8
240
2
1
BLK
W8
T501
ETP76VSU62DA
: -B SIGNAL LINE
: +B SIGNAL LINE
Q518
B1AAGC000007
VOLTAGE REGULATOR
R588
150
KRC102MTA
1
R580
22
PCONT
2
GND
Q517
3
B1BACG000009
SYNC
4
VOLTAGE REGULATOR
SYS6V
5
HELP
6
7
16V100
R401
220K
R590
R579
1K
3.3K
Q515
Q519
KTC3199GRTA
DCDET SWITCH
Q515
KTC3199GRTA
DC DET SWITCH
W1
W2
D500
B0AACK000004
AC INLET CIRCUIT
15
C570
0.01
C555
R589
35V4.7
10K
Q516
R578
10K
SYNC SWITCH
D530
D529
B0EAKM000122
MA2C700A0F
R587
2.7K
D527, D528
B0EAKM000122
D528
D530
C559
0.01
C556
D534
0.01
B0AACK000004
D527
C557
D525
B0BA7R000005
T502
G4C2AAJ00005
RLY501
D500
RSY0040M-0
C500
1000P
L500
F1
RLQZ371
250V 3.15A
FC502
FC501
Z501
ERZV10V511CS
SB-WA520GC
JK500
AC IN
110V/127V/
220~230V/240V/
50Hz/60Hz

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