Toshiba FD-4809 Service Manual page 21

Handset
Ref. No. PIN STBY
1 OPEN
2 OPEN
3 0.0-2.8
4 OPEN
5 GND
6 0.0-2.8
7 0.0-2.8
IC601 8 0.0-2.8
9 0.0-2.8
10 0.0-0.4
11 OPEN
12 0.0-2.0
13 0.0-2.8
14 0.4-1.0
15 GND
16 OPEN
1 0.0-2.8
2 0.0
3 0.0
4 0.0-2.8
5 GND
6 0.0-3.0
7 0.0
8 0.0
9 0.0
10 0.0-2.8
11 0.0
12 0.0-0.8
13 0.0-0.8
IC602 14 0.0-0.8
15 0.0-3.0
16 0.0-0.6
17 0.0-0.6
18 GND
19 0.0-0.6
20 0.0-0.6
21 0.0
22 0.0-0.6
23 OPEN
24 OPEN
25 OPEN
26 OPEN
27 GND
28
Unit[V]
TALK NOTE
OPEN
OPEN
2.8 Pulse
OPEN
GND
2.8 Pulse
2.8 Pulse
2.8 Pulse
2.8 Pulse
2.2 Pulse
OPEN
2.2-2.6 Float Float
0.0-2.0 Float Float
0.4-1.2 Float Float
GND
OPEN
0.2 Pulse
2.8
2.8
2.8 Pulse
GND
3.0 Pulse
3.0
2.8
0.0 Vol Low Vol Low
2.8
Pulse, Vol Low
Vol Low
2.8
1.4 Pulse
1.4
1.4
3.0 Pulse
1.4 Pulse
1.4 Pulse
GND
1.4 Pulse
1.4 Pulse
0.0
1.4 Pulse
OPEN
OPEN
OPEN
OPEN
GND
0.0-3.2 Pulse Pulse
Ref. No. PIN STBY
29
30 OPEN
31 OPEN
32 OPEN
33 OPEN
34 OPEN
35
IC602 36 0.2-1.8
37 0.0-3.0
38 0.0-3.0
39 GND
40 0.0
41 0.0
42 0.0-3.0
43 0.0-3.0
44 0.0-3.0
1 0.0-2.8
2 GND
IC603 3 0.0-1.2
4 0.0-3.0
5 3.8
1 OPEN
2 OPEN
3 OPEN
4 GND
IC604
5 2.8
6 0.0-2.8
7 GND
8 3.2
1 GND
IC605 2 3.8
3 3.2
1 3.2
IC607 2 3.2
3 GND
1 0.0-0.2
2 0.0
3 OPEN
4 0.0-0.8
IC606 5 0.0
6 0.0
7 0.0
8 0.0
9 0.0-2.8
22
Unit[V]
TALK NOTE
0.8-2.8 Pulse Pulse
OPEN
OPEN
OPEN
OPEN
OPEN
0.6-2.6 Float Float
1.4-1.8 Float Float
3.0 Pulse Pulse
3.0 Pulse
GND
0.0-3.0 Pulse
0.0
0.0-3.0 Pulse Pulse
0.0-3.0 Pulse Pulse
0.0-3.0 Pulse Pulse
0.0-2.8 Pulse Pulse
GND
1.2
3.0 Pulse
3.8
OPEN
OPEN
OPEN
GND
2.8
2.8 Pulse
GND
3.2
GND
3.8
3.2
3.2
3.2
GND
2.8 Pulse
0.0
OPEN
2.1 Pulse
0.0-2.6 Pulse
0.0-3.0 Pulse
0.0
0.0
2.8 Pulse