Power Supply - Panasonic SA-VK81DGCS Service Manual

SA-VK81DGCS / SA-VK81DGCP
SCHEMATIC DIAGRAM - 25
POWER SUPPLY CIRCUIT
KTC3199GRTA
Q5812
R5842
100
R5843
100K
C5823
50V2.2
D5821
B0AACK000004
Q5801,5802
KTC3199GRTA
DCDET SWITCH
Q5801
Q5802
D5861
D5860
D5860, 5861
B0AACK000004
B1GCCFJJ0015

POWER SUPPLY

R5807 2.2 R5887
R5808 2.2 R5819
Q5803
Q5812
B1AAGC000007
MUTING SWITCH
SWITCH
Q5803
D5803 - 5806
B0BA01900005
D5805
Q5813
D5806
KTC3199GRTA
DCDET SWITCH
R5814
47K
Q5813
D5810
B0AACK000004
R5804 39K
C5824 R5806
6.3V470 100K
Q5814
Q5814
2.2
2.2
2 1
W5811 H5801/
W5801
TO
MAIN CIRCUIT
(CN2816) ON
SCHEMATIC
DIAGRAM - 15
: +B SIGNAL LINE
: -B SIGNAL LINE : MAIN SIGNAL LINE
R5817
22K
D5803
D5804
R5813
47K
15 14 13 12 11 10 9 8 7 6 5 4 3 2
TO
POWER CIRCUIT
(CN5810) ON
SCHEMATIC
DIAGRAM - 27
104
AGND_OUT
C5819
C5805
1000P
1 2 1
CN5802 CN5801
TO TO
POWER AMP CIRCUIT TACT SWITCH CIRCUIT
(W5808) ON (H6801) ON
SCHEMATIC SCHEMATIC
DIAGRAM - 26 DIAGRAM - 18
FR_L
1
FR_R
2
SUB_W
3
IN_GND
4
5
-VD
TO
6
+VD
POWER AMP
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
0.18
E5801
SNE1004-2
2 1