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Panasonic Manuals
Subwoofer
SB-WA840
Service manual
Schematic Diagram; Power Circuit - Panasonic SB-WA840 Service Manual
Active subwoofer system
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10 Schematic Diagram
10.1. Power Circuit
SCHEMATIC DIAGRAM-1
POWER CIRCUIT
E501
K4CZ01000027
CN501
AC1
1
DC_DET
2
AC2
3
SYS6V
4
HP_CNT
5
D.GND
6
FL
7
SUB+B
8
A.GND
9
A.GND
10
FR
11
SL
TO
12
MAIN CIRCUIT
A.GND
13
(JK2000) OF
SR
SA-HT840EE-S
14
C
15
A.GND
16
SW
17
A.GND
18
PCONT
19
Fan Control
20
SYNC
21
FL
22
AC2
23
FL
24
AC1
25
+
1
TO FAN
-
2
CN507
C551
0.01
26
25
24
23
22
21
20
19
R501
4.7K
R502
4.7K
R514
C508 18P
R506
15K
R516
C510 22P
C501
1000P
R505
15K
C503
1000P
R515
C509 22P
R509
4.7K
R517
R511
C511 22P
15K
R507
3.9K
R518
R503
C512 22P
15K
R512
15K
C516
0.01
R504
C517
15K
0.01
R402
1K
D504
B0AACK000004
D503
MA2C700A0F
R545
220K
R547
D503
390K
C534
R548
330K
50V33
Q557
2SD0592ARA
FAN MOTOR DRIVE
R603
10K
C647
6.3V 470
Q557
D558,D559
D559
B0AACK000004
Q556
R583
Q556
100
B1ACCF000094
R584
C576
FAN MOTOR DRIVE
47K
50V 10P
C577
16V 10
: -B SIGNAL LINE
: +B SIGNAL LINE
IC501
18
17
16
15
14
13
12
11
10
9
8
R513
56K
C507 18P
56K
R524
120K
56K
R526
120K
R525
150K
56K
R527
120K
56K
56K
C513
R519
0.047
820K
C515
0.01
R530
1
R532
Q520
4.7K
Q503
B1GCCFJJ0016
B1AACF000117
INTERFACE SWITCH
R546
1K
Q506
B1GCCFJJ0016
INTERFACE SWITCH
Q501
Q505
B1AACF000117
SWITCHING
R581
Q554
6.8K
B1ACCF000094
FAN MOTOR DRIVE
C574
0.01
Q554
D556
R582
B0BA01100004
220K
C575
25V 330
0.01
Q555
Q555
2SD0592ARA
FAN MOTOR DRIVE
R606 22
17
: MAIN SIGNAL LINE
RSN311W64D-P
POWER HIC
7
6
5
4
3
2
1
D501-D502
B0JAPG000019
R531
1
Q503
SWITCH
Q502
Q501-Q502
B1AACF000117
SWITCH
D562
B0AACK000004
R562
4.7K
Q552
Q553
R564
220K
R602
4.7K
D555
B0AACK000004
C570
R563
1K
Q553
Q552
2SD0592ARA
B1ACCF000094
FAN MOTOR DRIVE
FAN MOTOR DRIVE
SB-WA840EE
IC501
C580
50V 2.2
R558
100K
R559
10K
C578
0.01
C579
0.01
R604
2.2M
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