Panasonic SB-WA880 Service Manual page 35

Active subwoofer system
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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-HT880EB-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
FAN_DRV
1
L_in
2
GND
TO
3
R_in
AMPILIFER CIRCUIT
4
(H602/W602) ON
ACIN
5
SCHEMATIC
HMUTE
6
DIAGRAM-4
DCDET
7
GND
8
CN602
+
1
TO FAN
-
2
CN507
C551
IC501
0.01
26
25
24
23
22
21
20
R501
4.7K
R502
4.7K
R506
15K
R505
15K
C503
1000P
R509
4.7K
SUBW
R511
15K
R550
10K
R512
R551
15K
10K
C516
0.01
C517
R402
1K
D504
B0AACK000004
D503
MA2C700A0F
R547
D503
390K
C534
R548
330K
50V33
R603
10K
D560
Q557
D560
B0AACK000004
D558,D559
B0AACK000004
D559
R583
100
R584
47K
: -B SIGNAL LINE
: +B SIGNAL LINE
19
18
17
16
15
14
13
12
11
R513
56K
C507 18P
R514
56K
C508 18P
R524
120K
R516
56K
R526
C510 22P
120K
R525
150K
R515
56K
C509 22P
C513
0.047
C515
0.01
0.01
R530
R532
Q520
4.7K
Q503
B1GCCFJJ0016
INTERFACE SWITCH
Q506
B1GCCFJJ0016
INTERFACE SWITCH
R546
1K
R545
220K
Q505
Q557
Q505
2SD0592ARA
B1AACF000117
FAN MOTOR DRIVE
SWITCHING
Q554
B1ACCF000094
FAN MOTOR DRIVE
Q554
C575
R582
0.01
D558
220K
Q555
C576
16V 10P
2SD0592ARA
R606
22
FAN MOTOR DRIVE
C577
16V 10
: MAIN SIGNAL LINE
8
4
3
2
10
9
7
6
5
1
R529
22K
1
R531
1
Q503
B1AACF000117
SWITCH
Q501,Q502
B1AACF000117
SWITCH
Q559
Q502
Q501
R611
10K
B1ACCF000094
R581
FAN MOTOR DRIVE
6.8K
C574
R564
0.01
220K
Q553
D555
D556
B0AACK000004
B0BA01100004
C570
R563
16V 330
1K
Q555
Q553
2SD0592ARA
FAN MOTOR DRIVE
IC501
RSN311W64D-P
POWER HIC
D501-D502
B0JAPG000019
Q559
B1AACF000117
DC DETECT SWITCH
R627
R626
C648
0.1
10K
10K
D562
C580
B0AACK000004
50V 2.2
Q552
R562
R558
100K
4.7K
R559
Q552
10K
R602
C578
4.7K
0.01
C579
0.01
R604
2.2M

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