Panasonic SA-VK82DGCP Service Manual page 92

SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS
SCHEMATIC DIAGRAM - 12
MAIN CIRCUIT
C2900
4700P
R2939
5.6K
C2904
C2905
C2902
1000P
R2941
C2937 R2942
10K
4.7K
3300P
R2943
10K
C2917
C2918
C2919
R2944
15K
C2921
R2969 R2952
68
68
+15V
D2900
B0BC5R000009
: +B SIGNAL LINE
: -B SIGNAL LINE
C2108
R2109
50V47
12K
C2106
10P
7
8
R2110
C2207
100K
0.01
R2059
IC2814
0
KIA4558FEL
W2094
DUAL OP AMP
0
C2107
R2210
0.01
100K
2
1
C2206
10P
C2208
R2209
50V47
12K
80
1
2
3
4
C2899
5
50V2.2
6
R2935 15K
7
C2901
8
560P
R2938 3.9K
9
2700P
10
R2940
12K
1000P 11
12
C2936
13
50V2.2
14
C2907
15
C2912
1800P
0.047
16
0.068
17
0.068
18
0.068
19
C2920
20
0.068
21
16V47
22
23
C2923
C2922
24
16V100 0.1
R2945
25 26 27 28 29 30 31 32 33
0
: MIC SIGNAL LINE
: MAIN SIGNAL LINE
R2108
3.3K
R2106 C2104
1K 50V10
5
6
R2107
C2105
47K
50V33
C2205 R2207
50V33 47K
3 4
R2208
3.3K
R2206 C2204
1K
50V10
C2939 50V1
C2941 50V1
C2940 50V1
C2938 0.15
79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
IC2813
C1BB00000801
KARAOKE IC
34 35 36 37 38 39 40
R2946
12K
C2925
1000P
R2947
10
R2162
0
92
TO
TRANSFORMER CIRCUIT (H9502/W9502)
ON SCHEMATIC DIAGRAM - 25
CN2814
1 2 3
G0A200D00002
C2102 16V10
C2202 16V10
R2553 100
R2863
0
C2103
50V1
64
63
C2203
62
50V1
61
60
59
58
R2948
57
0
56
55 C2934
C2935
16V100
0.1
54
53
52
C2933
C2932
50V1.0
51
4700P
50
49
C2931
1000P
48
47
C2930
0.068 C2929
46
0.1
45
44
C2928
43
C2927
0.1
0.068
42
41
C2926
4700P
L2906
KA_LIN
KA_RIN
MIC
KA_LOUT
KA_ROUT