Panasonic SB-WA720PP Service Manual page 28

SCHEMATIC DIAGRAM-2
POWER CIRCUIT
D509, D533
B0BA5R100013
D509
C560 C567
50V10 50V10
Q511
KTC2026
VOLTAGE REGULATOR
C543
1000P
R568
150
C544
50V100
C572
50V100
R560
150
C573
1000P
Q512
KTA1046
VOLTAGE REGULATOR
R600
D563
47K
D563-D566
R601
B0BA01900005
47K
D565
C565
0.1
R591 R593
4 3
6.8K 470K
C562
IC502
5600P
C0AABB000055
DUAL LOW-NOISE OP AMP
C563
0.082
R575 C561
5 6
6.8K 50V2.2
C520
C521 C522
0.047
0.047 0.047
R535 R536 R537
10 10 10
R598 R608
1.5K 1.5K
R567 R609
1.5K 1.5K
D533
C546
42V3300
C545
0.1
R570
10K
R569
3.9K
R561
3.9K
R610
4.7
D564
D566
: MAIN SIGNAL LINE
: -B SIGNAL LINE
: +B SIGNAL LINE
R597
10K
C564
R594 10K
1200P
R592 KTC3199GRTA
R403
68K
100K
DC DETECT SWITCH
R599
2 1
22K
R571 C568
0.01
3.3K
7 8
R596
47K
C519
C518
0.047
0.047
R534
R533
10
10
C523
0.047
C569
0.047
R538
10
C550
0.01
C547 C548
42V4700 42V4700
R565 3.9K
D599 B0FBAM000009 D598
D597 B0FBAM000009
C553
0.1
Q513,Q514
Q514
Q513
R572
22K
R595
R573
100
0.1
C531 C532 C533
1000P 1000P
1000P
PCONT
GND
SYNC
SYS6V
HELP
E500
K4CZ01000027
3
3
2 2
SLI325URCT31
1 1
C549
H505A/W505
42V3300
B0FBAM000009
C554
0.1
FP1
K5G502AA0002
FP1 5A
JK501
1
FLch
2
3
FRch
4
5
SRLch
6
JK502
1 +
SRRch
2 -
3 +
CENTER
4 -
3
2
SUB WOOFFER
1
CN506
CP502
1
2
TO
3 AC INLET
CIRCUIT
4
(CN502) ON
5
SCHEMATIC
DIAGRAM-3
6
7
R577
1.5K
D524
LED
CIRCUIT
CN503
1
2
3
4
5
TO
6
TRANSFORMER
7
CIRCUIT
(H503/W503) ON
8
SCHEMATIC
9
DIAGRAM-3
10
11
12
13
14
15