Toshiba FT-8939 Service Manual page 28

Handset
Ref. No. PIN STBY
1 0.0
2 0.0
3 0.0
4 0.0
5 0.0
6 0.0
7 0.0
IC401 8 0.0
9 0.0
10 0.0
11 0.0
12 0.0
13 0.0
14 0.0
15 0.0
16 0.0
1 0-2.0
2 0-2.0
3 0-1.5
4 0-0.4
5 0-0.4
6 0-0.4
7 0-1.8
8 0.0
9 0.0
10 0-3.0
11 0.0
IC403 12 0-1.0
13 0-3.0
14 0.0
15 0.0
16 0.0
17 0.0
18 0.0
19 0.0
20 0.0
21 0-0.3
22 0.0
23 0.0
24 0.0
1 0.0
2 3.5
IC404
3 0.0
4 0.0
Unit[V]
TALK NOTE
2.9
2.5
2.5
3.0
2.6
2.6
2.6
3.0
0.9
0.6
0.7
0.8
0.0
0.0 OPEN
0.0 GND
3.0
1.9
1.9
1.5
0.6
1.5
1.5
1.8
3.4
0.0 GND
1.6
0.0 GND
1.5
3.0
1.5
1.5 OPEN
3.4
3.4
1.5
1.5
1.5
0.6
1.5
1.5
1.5
0.0 OPEN
3.4
0.0 GND
0.0 GND
29
Ref. No. PIN STBY
5 0.0
6 0-3.5
7 3.5
8 0.0
9 0.0
10 0.0
11 0.0
12 0.0
13 0.0
14 0.0
15 0.0
16 3.5
17 0.0
18 0.0
19 0.0
20 0.0
21 0.0
22 0.0
23 0.0
24 0.0
25 0.0
26 1.0-3.0
IC404 27 1.0-3.0
28 0
29 3.8
30 3.5
31 3.5
32 3.5
33 3.5
34 3.5
35 3.8
36 3.8
37 0.0
38 0.0
39 0.0
40 0-3.0
41 0
42 0-2.4
43 0.0
44 0-0.8
45 0.0
46 0-3.0
47 0-3.0
48 0-3.0
Unit[V]
TALK NOTE
2.0(AC)
2.0(AC)
3.4
0.0 GND
0.0 OPEN
0.0 OPEN
3.4
3.4
3.4
3.4
0.0
0-0.3
0.0 OPEN
0.0 OPEN
0.0 GND
0.0 OPEN
0.0
0.0
0.0
0.0
0.0
3.4
3.4
0 OPEN
3.8
3.4
3.4
3.4
3.4
3.4
3.8
3.8
3.3
0.0
0.0
0-3.0
0.0
0.2
0.0 GND
0.8
0.0
0.0
3.0
3.0