Aiwa XD-DV520, Service Manual

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VOLTAGE CHART -1/2
(MAIN CB.)
ICS1(STi5519)
PIN NO. DVD PB EE CD PB PIN NO. DVD PB EE CD PB PIN NO. DVD PB EE CD PB
1 1.66 0.13 1.72 52 0.85 0 0.84 125 3.28 3.29 3.28
2 3.35 3.37 3.35 53, 54 0.01 0 0.01 126, 127 NC NC NC
3 NC NC NC 55, 56, 57 1.69 1.69 1.69 128 to130 3.37 3.37 3.37
4 3.37 3.4 3.37 58 to 63 Add. Bus Add. Bus Add. Bus 131 0 0 0
5 0 0 0 64 2.47 2.47 2.47 132 2.11 2.62 2.6
6, 7, 8 NC NC NC 65 0 0 0 133 , 134 NC NC NC
9 1.63 1.65 1.63 66 to 73 Add Bus Add Bus Add Bus 135 3.31 3.37 3.31
10 4.48 4.52 4.49 74 2.51 2.54 2.53 136 3.37 3.37 3.37
11 1.64 1.65 1.64 75 2.8 2.63 2.73 137 0 0 0
12 NC NC NC 76 2.3 3.32 2.97 138 NC NC NC
13 1.67 1.9 1.74 77 3.1 3.04 3.04 139 3.31 3.35 3.31
14 2.47 2.5 2.47 78 3.11 3.34 2.77 140 3.37 3.37 3.37
15 0 0 0 79 0.02 0.01 0.13 141 to 148 Data Bus Data Bus Data Bus
16 1.3 0.03 0.23 80 0.02 0.01 0.12 149 2.46 2.46 2.46
17 1.62 1.65 1.63 81 3.37 3.37 3.37 150 0 0 0
18 1.74 0.03 0.35 82 1.53 1.71 1.57 151 to 158 Data Bus Data Bus Data Bus
19 0.01 0.03 0.01 83 0 0 0 159 3.37 3.37 3.37
20 to 22 NC NC NC 84 to 93 Data Bus Data Bus Data Bus 160 0 0 0
23 2.46 2.49 2.46 94 2.47 2.47 2.47 161 to 170 Add. Bus Add. Bus Add. Bus
24 0 0 0 95 1.63 1.69 1.53 171 2.45 2.45 2.45
25 0.57 0.61 0.59 96 0 0 0 172 0 0 0
26 0.53 0.93 0.91 97 to 102 Data Bus Data Bus Data Bus 173 to 183 Add. Bus Add. Bus Add. Bus
27 0.61 0.61 0.59 103 2.13 1.93 2.01 184 3.37 3.38 3.37
28 0 0 0 104 2.16 1.98 2.02 185 0 0 0
29 1.26 1.28 1.26 105 2.16 1.94 2 186 to 188 NC NC NC
30 2.46 2.48 2.46 106 1.64 1.62 1.6 189 4.43 4.63 4.56
31 0 0 0 107 3.37 3.38 3.37 190 4.61 4.63 4.61
32 0.66 0.92 0.89 108, 109 0 0 0 191 4.48 4.63 4.52
33 0.59 0.62 0.59 110 3.37 3.37 3.37 192 4.33 4.63 4.52
34 0.66 0.91 0.89 111 1.18 1.42 0.84 193 NC NC NC
35 0 0 0 112, 113 3.37 3.37 3.37 194, 195 3.31 3.36 3.34
36 1.27 1.29 1.27 114 NC NC NC 196 NC NC NC
37 2.48 2.5 2.48 115 0.02 0.02 0.02 197 1.86 2.2 1.73
38 to 40 0 0 0 116 NC NC NC 198 2.45 2.46 2.45
41 3.37 3.4 3.37 117 2.2 2.7 2.7 199 0 0 0
42 3.37 3.39 3.37 118 1.7 1.69 1.69 200, 201 0.01 0.01 0.01
43 3.37 2.28 3.37 119 2.46 2.46 2.46 202 0.87 1.2 0.22
44 to 46 NC NC NC 120 1.64 1.63 1.65 203 0.01 0.01 0.01
47 3.37 3.4 3.37 121 0 0 0 204 NC NC NC
48 2.46 2.48 2.46 122 2.41 2.41 2.41 205, 206 0.01 0.01 0.01
49, 50 0 0 0 123 0 0 0 207, 208 NC NC NC
51 1.69 1.68 1.69 124 3.37 3.37 3.37
ICA2(LM833) ICA3(CS4334) ICS3(74HCU04)
PIN NO. DVD PB EE CD PB PIN NO. DVD PB EE CD PB
PIN NO. DVD PB EE CD PB
1 5.61 5.6 5.62 1 0.85 0 0.73 1 1.73 1.73 1.73
2 5.61 5.6 5.62 2 1.69 1.69 1.69 2, 6, 9, 10 NC NC NC
3 5.61 5.6 5.62 3 1.69 1.69 1.69 3 1.73 1.73 1.73
4 0 0 0 4 1.69 1.69 1.68 4 1.64 1.67 1.65
5 5.61 5.6 5.62 5 2.26 2.25 2.26 5, 7, 8, 11 0 0 0
6 5.62 5.6 5.62 6 0 0 0 12 1.73 1.73 1.73
7 5.63 5.61 5.63 7 5.03 5.03 5.04 13 1.71 1.72 1.7
8 11.22 11.19 11.24 8 2.26 2.25 2.26 14 3.37 3.37 3.37
ICS2(AMS2501) ICA4(LM833) IC60(LB1641)
PIN NO. DVD PB EE CD PB PIN NO. DVD PB EE CD PB PIN NO. DVD PB EE CD PB
1 3.3 3.31 3.31 1 5.61 5.6 5.62 1 0 0 0
2, 3, 4 2.5 2.5 2.5 2 5.62 5.6 5.63 2, 10 0.02 0.02 0.02
5, 6, 7 NC NC NC 3 5.61 5.6 5.62 3, 9 0.76 0.75 0.76
8 4.89 4.9 4.89 4 0 0 0 4 0.21 0.8 0.51
5 5.61 5.6 5.62 5, 6 0.01 0 0.01
6 5.62 5.6 5.62 7, 8 8.02 8.03 8.03
7 5.63 5.61 5.64
8 11.22 11.19 11.24
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