Aiwa TN-C137 Servise Manual page 18

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VOLTAGE CHART- 3/4 (HANDSET UNIT) -1/2
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U1 IC, TB31224F
3 7 63 1515 0
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L 13942296513
U1 IC, TMP87C405M-1K46
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DC Characteristic
Pin
No.
STANDBY
TALK
1
3.80
3.62
2
3.80
3.62
3
0
3.56
4
0
3.21
5
3.79
0
6
3.77
0.60
7
0
0
8
0
0
9
0
1.42
10
0
1.41
11
0.93
1.39
12
0.90
1.46
13
0.99
1.49
14
1.01
1.49
15
0
1.45
16
0
1.45
17
0
1.46
18
0
1.23
19
0
1.23
20
0
1.23
21
0
0
22
0
0.16
23
3.81
1.5~3.7
24
0
0.67
DC Characteristic
Pin
No.
STANDBY
TALK
1
1.59
1.51
2
1.47
1.39
3
0
0
4
0
3.28
5
3.74
3.57
6
3.74
3.57
7
3.74
3.57
8
3.78
3.23
9
3.78
3.23
10
3.78
3.24
11
0
1.25
12
0
0
13
3.81
3.60
14
0
0
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8
DC Characteristic
Pin
No.
STANDBY
TALK
25
0
0.43
26
0
1.65
27
0
0.85
28
3.82
3.67
29
3.24
2.79
30
0
0
31
0
3.30
32
3.80
3.30
33
3.82
3.82
34
2.86
2.86
35
0
0
36
0
0.94
37
0.34
0.68
38
2.84
2.48
39
0.40
1.46
40
0
1.01
41
0.3~1.6
2.09
42
0.7~2.3
2.26
43
3.80
3.66
44
3.82
3.66
45
0.16
0.65
46
0.7~2.2
2.26
47
1.20
1.69
48
0
0
Q Q
3
6 7
1 3
1 5
DC Characteristic
Pin
No.
STANDBY
TALK
15
3.79
0.04
16
0
0
17
0
0
18
0
0
19
3.78
3.59
20
3.80
0.00
21
3.78
3.59
22
3.79
0
23
0
0
24
3.81
1.6~3.3
25
0
0
26
2.79
3.57
27
3.76
3.58
28
3.80
3.81
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.
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9 4
2 8
0 5
8
2 9
9 4
2 8
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9 9
9 9

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