Panasonic SB-WA340 Service Manual page 31

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
HELP
8
A.GND
9
A.GND
10
FR
11
TO SL
12
MAIN CIRCUIT
A.GND
13
(JK700) OF
SR
SA-HT1000EB/EG-S
14
C
15
A.GND
16
SW
17
A.GND
18
PCONT
19
MUTE A/CNTR SURR
20
SYNC
21
FL1
22
AC3
23
FL2
24
AC4
25
+
1
TO FAN
-
2
CN507
C551
0.01
26 25 24 23 22 21 20
R501
4.7K
R502
4.7K
R506
15K
R505
15K
C501
1000P
C503
1000P
R509
4.7K
R511
15K
R507
3.9K
R503
15K
R512
15K
R504
15K
C516
0.01
R541 C517
100
R544
100
R542
R402
100 1K
D504
B0AACK000004
D503
MA2C700A0F
R545
220K
R547
D503
390K
C534 R548
50V33 330K
KTC3199GRTA
R553
56K
SWITCH
Q507
R550
10K
C536
16V33
R560
10K
R551
Q508
R552
4.7K
5.6K
R554 820K
C537 0.1
: -B SIGNAL LINE
: +B SIGNAL LINE
IC501
19 18 17 16 15 14 13 12 11
R513
56K
C507 18P
R514 56K
C508 18P
R524
120K
R516 56K
R526
120K
C510 22P
R525
150K
R515 56K
C509 22P
R527
120K
R517 56K
C511 22P
R518 56K
C512 22P
C513
0.047
C515
0.01
0.01
R530
R531
R532
Q520
4.7K
Q503
KRA102MTA
INTERFACE SWITCH
R546
1K
Q506
KRA102MTA
INTERFACE SWITCH
Q505
KTC3199GRTA
SWITCHING
Q507
C538
6.3V100
R561
100
D506
R557
R558
R559
C539
18 56K
56K
6.3V220
D505
Q508
KTA12710YTA
CURRENT AMP
Q510
Q510
KTC3199GRTA
SWITCH
: MAIN SIGNAL LINE
8 4 3 2
10 9 7 6 5 1
R529
22K
1
1
Q503
KTC3199GRTA
SWITCH
Q502
Q501
Q509
KTC3199GRTA
SWITCH
D505-D506
B0AACK000004
R566
270
R556
10K
C541
16V10
R555
C540
100K
50V2.2
D507
IC501
RSN311W64B-P
POWER HIC
D501-D502
B0JAPG000019
R521
10K
Q501-Q502
KTC3199GRTA
SWITCH
D507, D519
B0AACK000004
D519