Panasonic SA-VK81DGCS Service Manual page 92

SA-VK81DGCS / SA-VK81DGCP
SCHEMATIC DIAGRAM - 13
MAIN CIRCUIT
R2959
220K
C2916
16V100
C2123
0.22
R2131
R2235
68K
1.8K
C2220
0.22
C2221 0.22
R2234
68K
C2954 50V10
R2958
0
R2957
C2953
120K
0.22
C2607
R2606
56K 0.068 C2602
R2605 5.6K
R2610 56K
C2305 50V2.2
C2402 50V2.2
C2318
33P
R2301
10K
: +B SIGNAL LINE
: -B SIGNAL LINE
Q2815, 2816
B1GDCFGA0014
MUTING SWITCH
Q2825
B1ABEB000001
MUTING SWITCH
R2868 R2869
1K 56K
R2862
Q2825
6.8K
C2609
R2961 2.2K 50V10
R2611
C2913 0.1
10K
50V1
R2600
C2944 0.01
10K
R2515 10K
R2306 1.8K
Q2818
R2404 1.8K
R2609 3.3K
Q2818
B1GFGCAA0001
MUTING SWITCH
: MAIN SIGNAL LINE
R2871 R2881
0 0
Q2815 Q2816
R2870 R2872
56K 56K
C2860 R2873 C2862
50V4.7 56K 50V4.7
R2863
C2319
56K
50V0.47
C2410
50V0.47
C2151
R2120
50V4.7
1K
C2249
R2219
50V4.7
1K
R2413
56K
C2603
R2602
50V3.3
6.8K
R2852 R2920
1K 1K
R2307
56K
C2517
50V0.47
C2502 R2504
270
16V10
92
R2853
3.3K
Q2819
R2218
220K
R2642 Q2819
0
B1GFGCAA0001
MUTING SWITCH
R2221
C2211
R2264
39K
50V4.7
2.2K
C2214
100P
C2213
100P
5 6
C2872
0.01
IC2811
C0AABB000117
HP AMP IC
4 3
C2115
100P
C2113
R2167
50V4.7
2.2K
C2215
R2233
16V47
0
7 8
2 1
C2116
100P
R2122
39K