Panasonic SB-VK61 Service Manual page 103

SCHEMATIC DIAGRAM - 35
POWER SUPPLY CIRCUIT
Q548
KTC3199GRTA
Q548
SWITCH
R563
100
R564
100K
C543
50V2.2
D545
B0AACK000004
Q520, 521
KTC3199GRTA
DCDET SWITCH
D527
Q521 B0AACK000004
Q520
R516 39K
C544
6.3V470
Q550
B1GCCFJJ0015
POWER SUPPLY
R520 2.2
R521 2.2
: +B SIGNAL LINE
: -B SIGNAL LINE
Q522
B1AAGC000007
MUTING SWITCH
R530
22K
Q522
D520 - 523
B0BA01900005
D520
D522
Q549
D523
D521
KTC3199GRTA
DCDET SWITCH
R527 R526
47K 47K
Q549
R518
100K
Q550
15 14 13 12 11 10
H500/
W500
: MAIN SIGNAL LINE
9 4
8 7 6 5 3 2 1
TO
POWER CIRCUIT
(CN958) ON
SCHEMATIC
DIAGRAM - 36
103
C536
0.18
C512
1000P
E500
SNE1004-2
2 1
CN900
TO
TACT SWITCH CIRCUIT
(H901/W901) ON
SCHEMATIC
DIAGRAM - 26
SA-VK61DGS