Toshiba FT-8989, Service Manual

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25
IC AND TRANSISTOR VOLTAGE CHART
Base Unit
Unit[V] Unit[V]
Ref. No. PIN STBY TALK NOTE Ref. No. PIN STBY TALK NOTE
1 0.0 0.0
IC1 2 0.0 0.0
3 0.0 0.0 GND
4 5.0 4.9
1 3.2 3.1
2 2.8 2.8
3 3.1 2.8
4 3.3 3.3 VCC
5 2.9 2.9
6 2.9 2.9
7 2.9 2.9
IC2 8 3.3 3.3
9 1.0 1.0
10 0.6 0.6
11 0.7 0.7
12 0.6 0.8
13 3.2 0.0
14 0.0 0.5
15 0.0 0.0 GND
16 3.3 3.3
1 2.9 2.9
2 2.9 2.9
3 2.7 2.7
4 0.7 0.6
5 2.7 2.7
6 2.7 2.7
7 2.8 2.8
8 5.1 5.1
9 0.0 0.0
10 0-5 0.5
11 0.0 0.0 GND
IC3 12 2.6 2.7
13 5.2 5.2 VCC
14 2.7 2.7
15 2.7 2.7
16 0.0 5.2
17 0.0 5.2
18 5.1 5.0
19 1.5 1.5
20 2.7 2.7
21 0.6 0.6
22 2.6 2.7
23 2.7 2.7
24 2.7 2.7
1 2.3 2.3
2 2.3 2.3
3 2.3 2.3
IC4 4 0.0 0.0 GND
5 2.3 2.3
6 2.3 2.3
7 2.3 2.3
8 5.2 5.2 VCC
1 0.0 0.0
IC5 2 0.0 0.0
3 0.0 0.0 GND
4 0.5 0.5
1 5.2 5.1
2 0.6 0.6
3 1.3 1.3
4 0.6 0.6
5 0.0 0.0
6 0.0 0.0
7 0.0 5.2
8 0.0 0.0
9 0.0 0.0 GND
10 0.6 0.6
11 0.0 0.0
12 0.0 0.0
13 0.0 0.0
14 0.0 0.0
15 0.0 0.0
IC6 16 0.0 0.0
17 0.0 0.0
18 0.0 0.0
19 0.0 0.0
20 0.0 0.0
21 5.3 0.1
22 0.0 0.0
23 0.0 4.9
24 5.0 5.0
25 0.0 0.0
26 0.0 0.0
27 5.2 5.1
28 2.5 2.5
29 2.5 2.5
30 0.0 0.0
31 0.0 0.0
32 0.9 0.5