Toshiba FT-8989 Service Manual page 29

Handset
Ref. No. PIN STBY
1 0-2.8
2 0-2.8
3 -0.2-2.6
4 0.4-0.8
5 0.4-1.5
6 0.4-1.5
7 0-2.0
8 0-3.0
9 0
10 0-3.0
11 0
IC601 12 0-1.5
13 0-3.0
14 0-1.5
15 0-1.5
16 0
17 0
18 0-1.5
19 0-15.
20 0-1.5
21 1.0-4.0
22 1.6
23 1.6
24 1.6
1 0-2.9
2 0
IC602 3 0-1.2
4 0-3.0
5 3.8
1 3.0
2 0
3 0
4 0
5 0
6 0
7 0
IC603 8 3.0
9 0
10 0-3.0
11 3.0
12 0
13 0
14 3.2
15 3.2
Unit[V]
TALK NOTE
1.9
1.9
1.6
0.6
1.5
1.5
1.9
0
0 GND
0-3.0 PULSE
0 GND
1.5
3.0
1.5
1.5
3.0 RXMUTE
3.0 TXMUTE
1.5
1.5
1.5
0.7
1.5
1.5
1.5
2.9
0 GND
1.2
3.0
3.8
3.0
0
0
0
0
0
0
0 CONV
0
0/3 SP-VOL
3.0 VCC
0
0 GND
3.2 BATSAVE
3.2
30
Ref. No. PIN STBY
16 0
17 1.4-3.0
18 0
19 3.0
20 0
21 0
22 0.3-1.9
23 0-3.0
24 0
25 0
26 0
27 0
28 0
29 0
30 0
31 0
32 0
33 2.9
34 0
35 2.9
36 0
IC603 37 0
38 3.2
39 0
40 0
41 0-2.9
42 0-2.9
43 0
44 0-2.5
45 0
46 0-2.9
47 0-2.9
48 0-2.9
49 0
50 0
51 2.9
52 0
53 0
54 0
55 0-2.9
56 3.0
57 0
58 0
59 0
Unit[V]
TALK NOTE
0
3.0 W/U
0 GND
3.0 RST
0 GND
0 GND
0.3-1.9 SINE WAVE
0-3.0 SINE WAVE
0 GND
0
2.9 LCD-
2.9/0 SP-VOL2
2.9 MIC-ON
2.9 LCDRS
2.9 RESET
2.9 LCDV
0
2.9
0
2.9
0
0
3.2 BATLOW
0
0
0 SQ-IN
2.9 SC
0/2.9 RINGVOL
0 TXB
0
0
0
2.9
0 GND
2.9 TXMUTE
2.9 LCDSCL
0-2.9 PULSE
0
2.9
0-2.9 PULSE
3.0
0-2.9 PULSE
0
0