Panasonic SA-HT680PL Service Manual page 122

SA-HT680PL
SCHEMATIC DIAGRAM-5
MAIN CIRCUIT
R2892 0 R2893 330K
C2606 0.18
C2607
0.22
R2608 100K
R2611 47K
R2304
7.5K
R2516 4.7K
:+B SIGNAL LINE
R2263 R2163
1K 1K
C2263 C2163
50V3.3 50V3.3
R2894
220K
C2815
16V100
R2162
8.2K
C2161 0.1
R2261 8.2K
C2261 0.1
R2610
C2618
R2609
3.3K
0.047
47K
C2608
0.12
R2625 22K
R2501 75K
R2303 39K
R2403 39K
R2605 R2612 C2603
2.2K 6.8K 50V4.7
R2606
10K
R2515 6.8K
R2517 C2516
100K 47P
Q2502
B1GBCF000131
Muting Switch
:-B SIGNAL LINE
C2162 0.033
C2149 1 R2144 3.9K
C2262 0.033
C2249 1 R2244 3.9K
C2510 6800P
C2610 50V10 R2613 3.3K
C2502 50V10 R2503 3.3K
C2302 1 R2305 1K
C2403 1 R2405 1K
C2264 50V4.7 R2164 18K R2920 10K
R2264 18K R2919 10K
C2175 C2270
47P 47P
C2515
50V4.7
122
:MAIN SIGNAL LINE
C2506
C2503
0.01
0.033
C2504
0.22
R2506
47K
R2407
100
C2404
50V3.3
C2613
0.01
R2615 100K
R2614
1K
C2612 50V4.7
C2250
50V1
C2254
0.01
C2150
50V1
R2512 C2505 R2505
4.7K 50V1 1K
5 6 7 8
IC2
C0A
Buff
4 3 2 1
C2615
5600P
R2616 56K
R2617 56K
R2406
100K
R2311
2.2K
Q2
B1G
Mut
C2276 1000P
R2246
R2245 5.6K 47K
C2251 C2252
100P 100P
5 6 7
4 3 2
C2151 C2152
100P 100P
C2176 1000P
R2146
R2145 5.6K 47K