Panasonic SA-VK825DGC Service Manual page 16

SA-VK825DGC
SCHEMATIC DIAGRAM - 12
MAIN CIRCUIT
C2900
4700P
R2939
5.6K
C2904
C2905
C2902
1000P
R2941
C2937 R2942
10K
3300P 4.7K
R2943
10K
C2917 0.068
C2918 0.068
C2919 0.068
R2944
15K
C2921 16V47
R2969 R2952
68 68
+15V
D2900
B0BC5R000009
: +B SIGNAL LINE
: -B SIGNAL LINE
C2108
R2109
R2108
50V47
12K
3.3K
C2106
10P
7 5
8 6
R2110
C2207
100K
0.01
R2059
IC2814
0
KIA4558FEL
W2094 DUAL OP AMP
0
C2107
R2210
0.01
100K
1 2 3 4
C2206
10P
C2208
R2209 R2208
50V47
12K 3.3K
80 79 78
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
17
18
19
C2920
20
0.068
21
22
23
C2922 C2923
24
16V100 0.1
R2945
25 26 27 28 29 30 31 32 33
0
R2946
12K
R2947
: MIC SIGNAL LINE
: MAIN SIGNAL LINE
R2106 C2104
1K 50V10
C2105 R2107
50V33 47K
C2205 R2207
50V33 47K
R2206
C2204
1K
50V10
C2939 50V1
C2941 50V1
C2940 50V1
C2938 0.15
77 76 75 74 73 72 71 70 69 68 67 66 65
64
63
62
61
60
59
58
57
56
55
54
IC2813
53
C1BB00000801
52
KARAOKE IC
51
50
49
48
47
46
45
44
43
42
41
34 35 36 37 38 39 40
C2925
1000P
10
R2162
0
16
TO
TRANSFORMER CIRCUIT (H9502/W9502)
ON SCHEMATIC DIAGRAM - 25
CN2814
1 2 3
L2906
G0A200D00002
C2102 16V10
C2202 16V10
R2553 100
R2863
0
C2103
50V1
C2203
50V1
R2948
0
C2934
C2935
16V100
0.1
C2933
C2932
50V1.0
4700P
C2931
1000P
C2930
C2929
0.068
0.1
C2928
C2927
0.1
0.068
C2926
4700P
KA_LIN
KA_RIN
MIC
KA_LOUT
KA_ROUT