Panasonic SA-VK825DGC, Руководство по обслуживанию

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2
1
3
KA_CLK KA_LA
T
+15V
5V
MIC
KA_ROUT
KA_DA
T
KA_RIN
KA_LIN
KA_LOUT
R2935 15K
C2929
0.1
C2901
560P
C2939 50V1
R2948
0
C2941 50V1
C2918 0.068
C2942 1000P
R2955
220
C2934
16V100
R2947
10
C2930
0.068
R2946
12K
C2927
0.068
C2938 0.15
R2939
5.6K
R2941
10K
C2928
0.1
C2900
4700P
C2940 50V1
R2951
10K
C2922
16V100
C2917 0.068
C2924
0.1
C2203
50V1
C2912
0.047
R2969
68
R2162
0
C2919 0.068
C2935
0.1
R2943
10K
C2932
4700P
C2902 1000P
R2949
10K
C2921 16V47
IC2813
C1BB00000801
KARAOKE IC
C2943 1000P
C2936
50V2.2
C2907
1800P
R2952
68
C2923
0.1
R2944
15K
C2926
4700P
D2900
B0BC5R000009
C2905
1000P
R2940
12K
C2933
50V1.0
C2925
1000P
C2899
50V2.2
C2937
3300P
C2920
0.068
R2945
0
C2103
50V1
R2956
220
C2931
1000P
R2942
4.7K
C2904 2700P
R2938 3.9K
C2202 16V10
C2102 16V10
R2863
0
R2553 100
-9.0V KA_ROUT +9.0V KA_LOUT LINE_LOUT LINE_ROUT
R2059
0
R2209
12K
R2107
47K
R2210
100K
R2110
100K
C2104
50V10
C2106
10P
R2207
47K C2107
0.01
C2206
10P
C2205
50V33
R2109
12K
R2108
3.3K
R2208
3.3K
C2204
50V10
R2106
1K
C2208
50V47
C2108
50V47
R2206
1K
IC2814
KIA4558FEL
DUAL OP AMP
C2105
50V33
C2207
0.01
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 12
: -B SIGNAL LINE
: +B SIGNAL LINE
: MAIN SIGNAL LINE
: MIC SIGNAL LINE
SUB+BGND
D+5V
D+5V
CN2814
TO
TRANSFORMER CIRCUIT (H9502/W9502)
ON SCHEMATIC DIAGRAM - 25
W2094
0
L2906
G0A200D00002
1 2
7 8
3
6
4
5
1
2
3
4
5
6
7
8
9
25 26 27 28 29 30 31 32 33
56
57
58
59
60
61
62
63
64
72 73 74 75 76 77 78 79 80
10
55
34
71
11
54
35
70
12
53
13
52
36
69
37
68
14 51
15 50
16 49
38
67
39
66
40
65
17 48
18 47
19 46
20 45
21 44
22 43
23 42
24 41
16
SA-VK825DGC