Panasonic SC-TM900DVD Service Manual page 91

SCHEMATIC DIAGRAM - 13
MAIN CIRCUIT
C2119
50V4.7
R2118
1K
R2120 C2120
R2121
1K 50V4.7
27K
C2122 C2121 C2872
47P 100P 0.01
C3617
1 2 3 4 10V220
IC2811
C0AABA000009
DUAL OP AMP
8 7 6 5
C2222 C2221
47P 100P
R2220 C2220
R2221
27K 1K 50V4.7
C2873 C3618
0.01 10V220
R2507
1K
R2508
56K
C2865
R2857
50V4.7 56K
R2856
56K
Q2823
B1GDCFGA0018
MUTING SWITCH
CN2802
: +B SIGNAL LINE
: -B SIGNAL LINE
C2219 C2306
50V2.2
50V4.7
R2218 R2306
1K 1.8K
Q2819
W2127
B1GFGCAA0001
0
MUTING SWITCH
C2502
R2219
16V10u
220K
4 3
R2506
270
5 2
R2842
3.3K
6 1
R2119
220K
R2921
3.3K
R2862
0
Q2820
B1ABEB000002
MUTING SWITCH
C2864 R2855
R2310
16V10
56K
270
R2854
56K
C2310
50V1
Q2822
B1GDCFGA0018
MUTING SWITCH
12 11 10 9 8 7 6 5 4 3 2 1
TO
POWER CIRCUIT (CN5800) ON
SCHEMATIC DIAGRAM - 23
: MAIN SIGNAL LINE
C2602
C2406
50V2.2
R2615
R2406
1.8K
R2407
56K
Q2818
B1GFGCAA0001
MUTING SWITCH
4 3
5 2
6 1
R2307
56K
R2848 W2128
1K 0
C2517
50V0.47
R2509
C2964
4.7K 100P
C2969
R2510
10P 27K
C2968
C2228
50V1.0
W2130 R2226
0 8.2K
C2230
100P
C2229
R2227
1000P
15K
R2410 C2515 R2624
50V10 100
270 R2228
3.3K
C2410 R2511 C2606
R2095
50V1 1K 50V10
0
C2231
50V1
12 11 10 9 8 7 6 5 4
CN2801
TO
POWER CIRCUIT (CN5801) ON
SCHEMATIC DIAGRAM - 23
91
1
Q2815
6.8K
R2620
56K
R2616 R2618 R2619 C2860
56K
1K 56K 50V4.7
Q2825
B1ABEB000002
SWITCH
5 4
C2603
C2875
C
50V3.3
1
6
3
R2622
C2605
SUB
3.9K
100P
7 2
R2623 C2604
1000P
27K
8 1
IC2815
KIA4558FEL
1 DUAL OP AMP
IC2819
KIA4558FEL
DUAL OP AMP
5 4
FR
6 3
C2130 R2126
FL
100P
8.2K
7 2
R2127
C2129
15K
33P
8 1
R2128
3.3K
C2332 C2335
1 1
C2131
50V1
R2865
0
R2090
0
3 2 1
Q2816
R2852
56K
C2862
50V4.7
Q2815, Q2816
B1GDCFGA0018
MUTING SWITCH
C2128
50V1