Panasonic SA-VK91DGCS Service Manual page 105

SCHEMATIC DIAGRAM - 25
POWER CIRCUIT
Q5812
KTC3199GRTA
Q5812
SWITCH
R5842
100
R5843
100K
C5823
50V2.2
D5821
B0AACK000004
KTC3199GRTA
Q5801,5802
DCDET SWITCH
KTC3199GRTA
DCDET SWITCH
D5810
B0AACK000004
Q5801
Q5802
R5804 39K
C5824
6.3V470
D5861
D5860
D5860, 5861
B0AACK000004
Q5814
B1GCCFJJ0015
POWER SUPPLY
R5807 2.2 R5887 22
R5808 22 R5819 22
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: +B SIGNAL LINE
: -B SIGNAL LINE
Q5803
B1AAGC000007
MUTING SWITCH
R5817
22K
Q5803
D5803 - 5806
B0BA01900005
D5803
D5805
Q5813
D5806
D5804
R5814 R5813
47K 47K
Q5813
R5806
100K
Q5814
2 1 15 14 13 12 11 10
W5811 H5801/
W5801
TO TO
MAIN CIRCUIT SPEAKER CIRCUIT
(CN2816) ON (CN5810) ON
SCHEMATIC SCHEMATIC
DIAGRAM - 15 DIAGRAM - 27
: MAIN SIGNAL LINE
9 8 6 5 4 3 2 1 2 1
7
CN5802
TO
SUB POWER CIRCUIT
(W5808) ON
SCHEMATIC
DIAGRAM - 26
105
SA-VK91DGCS / SA-VK91DGCP
FR_L
1
FR_R
2
SUB_W
3
IN_GND
4
AGND_OUT
5
-VD
TO
6
+VD
SUB POWER
7
+AC_IN CIRCUIT
8
(H5802/W5802) ON
P_GND
9
SCHEMATIC
10
DIAGRAM - 26
-VccH
11
12
-VccL
13
+VccL
14
+VccH
15
CN5811
C5819
0.18
C5805
1000P
E5801
SNE1004-2
2 1
CN5801
TO
TACT SWITCH CIRCUIT
(H6801) ON
SCHEMATIC
DIAGRAM - 18