Panasonic SA-VK81DGCS Service Manual page 89

SCHEMATIC DIAGRAM - 10
MAIN CIRCUIT
LINE_LIN
LINE_RIN
+9V
EXT_R
C2955
0.1
C0JBAR000292
R2968
C2959
47K
100P
R2974
0
PARTY
LS_RS
EXT_L
C2148
1
C2245
1
R2165 R2263
4.7K 4.7K
R2317 C2316 R2966
47K 0.1 47K
R2635 R2646
0 0
: +B SIGNAL LINE
: -B SIGNAL LINE
8 7 6 5 4 3 2 1
Z0 Z Z1 Y0 Y1
IC2818
ANALOG SWITCH IC
X0 X1 X Y
9 10 11 12 13 14 15 16
R2141
47K
C2515
R2517
0.47
10K
R2243
47K
C2510
C2514
22P
0.1
R2516
47K
8 9 10 11 12 13
-VCC
C C
IC2817
C0ABCB000052
QUAD OP-AMP IC
SUR SUR
+VCC
7 6 5 4 3 2
R2312
27K
C2311
18P
C2149 R2142
0.022
47K
C2246 R2242
0.022 47K
: MAIN SIGNAL LINE
C2144
50V47
8
R2159 C2143
100K 0.01
KIA4558FEL
C2240
R2258
100K 0.01
1
R2970
470
C2239
33P
R2971
C2241 R2257
100K
12K
50V47
C2956
0.1
D2834
R2342
B0BC5R000009
10K
R2144
C2511
22K
330P
C2512
R2518 R2524
10K 1 1K
R2637
14
R2519
10K
C2312 R2316
0.082 10K
1
R2315 C2314 R2319
1
22K 10K
C2313 C2302
R2318 R2145
22P 50V1
33K 100K
R2320
22K
89
SA-VK81DGCS / SA-VK81DGCP
R2158 R2157
12K 3.3K
C2142
33P
R2155 C2140
7 5
6
1K 50V4.7
C2141 R2156
50V33 47K
IC2819
DUAL OP-AMP IC
C2238
R2255
50V33
47K
2
3 4
C2237
R2254
R2256
50V4.7
1K
3.3K
R2520
5.6K
R2521
0
0
Q2842
B1ABEB000001
SWITCH
R2322
22K
R2323
1.8K
R2325
56K
Q2841
B1BCCFGA0005
SWITCH
C2317
50V3.3
R2321
56K
+9V
KA_LOUT
-9V
KA_ROUT
DSP_C
SFC
-9V