Toshiba FT-8901, Service Manual

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Unit [V] Unit [V]
Ref.
No.
Pin STBY TALK Note Note
6 0.0 0.0
7 0.0 0.0
8 0.0 0.0
9 0.0 0.0
10 0.0 0.0
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
16 0.0 0.0
17 0.0 0.0
18 0.0 0.0
19 0.0 0.0
IC6 20 0.0 GND 0.0 GND
21 3.9 Vcc 3.9 Vcc
22 0.0 0.0
23 0.0 0.0
24 0.0 0.0
25 0.0 0.0
26 0.0 0.0
27 0.0 0.0
28 0.0 0.0
29 0.0 0.0
30 0.0 0.0
31 0.0 0.0
32 0.0 0.0
33 0.0 0.0
34 0.0 0.0
35 0.0 0.0
36 0.0 0.0
37 0.0 0.0
38 3.9 3.9
39 3.9 3.9
40 3.9 Vcc 3.9 Vcc
1 5.6 5.6
2 0.0 GND 0.0 GND
IC7
3 1.2 1.2
4 3.7 3.7
5 0.0 GND 0.0 GND
6 5.6 5.6
1 3.7 3.7
2 5.6 5.6
IC8 3 0.0 GND 0.0 GND
4 5.6 5.6
5 3.7 3.7
1 2.9 2.9
2 2.4 2.4
IC9 3 2.4 2.4
4 2.4 2.4
5 2.4 2.4
Ref.
No.
Pin STBY TALK Note Note
6 5.5 5.5
IC9 7 0 0
8 2.4 2.4
1 0/SineWave 10.1MHz SineWave 10.1MHz
2 0/SineWave 10.1MHz SineWave 10.1MHz
3 0-2.4 PULSE ClippedWave 455kHz
4 0-3.0 PULSE 3.0 Vcc
5 0-2.6 PULSE SineWave 455kHz
6 0-2.6 PULSE 2.6
7 0-2.6 PULSE 2.6
IC601
8 0-3.0 PULSE 3.0 Vol:MEDIUM
9 0 0.85 NOISE
10 0-0.7 PULSE 0.6
11 0-0.7 NOISE 0.7
12 0-0.5 PULSE 0.8
13 0-2.9 PULSE 0
14 0 0
15 0 GND 0 GND
16 0-3.0 PULSE 3.0
1 0-1.8 NOISE 1.8
2 0-1.8 NOISE 1.8
3 0-1.3 NOISE 0.6
4 0 0.6
5 0 1.6
6 0 1.6
7 0-1.8 PULSE 1.8
8 0 3.5
9 0 GND 0 GND
10 0-3.0 PULSE 0.1-3.0 PULSE
IC603 11 0 GND 0 GND
12 0-0.6 PULSE 1.6
13 0-3.0 PULSE 3.0 Vcc
14 0 1.6
15 0 1.6
16 0 3.5
17 0 3.5
18 0 1.6
19 0 1.6
20 0 1.6
21 0 0.6
22 0.3 1.6
23 0.3 1.6
24 0 1.6
1 0 0
2 3.6 0
3 0 GND 3 GND
IC604
4 0 GND 3 GND
5 0/SineWave 3.58MHz SineWave
6 3.6 sineWave 3.58MHz SineWave 3.58MHz
7 3.6 Vcc 3.5 3.58MHz
8 0 GND 0