20
IC AND TRANSISTOR VOLTAGE CHART
Base Unit
Unit[V]
Unit[V]
Ref. No.
PIN
STAND-BY
TALK
NOTE
Ref. No.
PIN
STAND-BY
TALK
NOTE
1
2
2
1
0
0
2
2
2
2
0
0
3
1.6
1.6
3
0
0
4
0.6
0.6
4
2.5
2.5
5
1.6
1.6
5
3.2
3.2
6
1.6
1.6
6
0
0
7
1.8
1.8
7
0
0
8
3.2
3.2
8
0
0
9
0
0
GND
9
0
0
10
0-3.2
0-3.2
PULSE
10
0
0
11
0
0
GND
11
0
0
IC1
12
1.6
1.6
12
0
0
13
3.2
3.2
Vcc
13
0
0
14
1.6
1.6
14
0
0
15
1.6
1.6
15
0
0
16
0
0
RXMUTE
16
0
0
17
0
0
TXMUTE
17
0
0
18
1.6
1.6
18
3.2/0
3.2/0
TONE/PULSE
19
1.6
1.6
19
0
0
20
1.6
1.6
20
0
2.7
TXMUTE
21
0.6
0.6
21
0
2.7
RXMUTE
22
1.6
1.6
IC5
22
0
2.5
TALK
23
1.6
1.6
23
2.8
0
CASENB
24
1.6
1.6
24
0
0
1
2.6-3.8
2.6-3.8
SINE WAVE
25
0
0
2
3.4-4.2
3.4-4.2
SINE WAVE
26
0
0
3
2.6
2.4-3.0
PULSE
27
0
0
4
3.2
3.2
Vcc
28
1.8
0
5
2.8
2.5-3.0
SINE WAVE
29
1.8
0
6
2.8
2.8
30
0
0
7
2.8
2.8
31
0
0
IC3
8
3.2
3.2
32
0
0
9
0
0
33
0
0
10
0.6
0.6
34
0
0
11
0.7
35
1.2
1.2
12
0.6
0.8
36
0
0
13
3.2
0
37
0-3.2
0-3.2
PULSE
14
0
0
38
3.2
0
SQ
15
0
0
39
0
0
16
3.2
0.3p-p
SINE WAVE
40
3.2
3.2
1
0
0
41
3.2
3.2
IC4
2
0
0
42
0-2.8
0-2.8
PULSE
3
0
0
43
0-2.8
0-2.8
PULSE
4
3.2
3.2
44
0-2.8
0-2.8
PULSE
Summary of Contents for FT-8809
Page 1: ...CORDLESS TELEPHONE PUBLISHED IN JAPAN Aug 1999 SERVICE MANUAL FILE NO 2B0 9902 FT 8809 ...
Page 8: ...7 BLOCK DIAGRAMS Base Unit ...
Page 9: ...8 Handset ...
Page 10: ...9 10 SCHEMATIC DIAGRAMS Base Unit ...
Page 11: ...11 12 Handset ...
Page 26: ...27 ELECTRICAL PARTS LOCATION Base Unit Main PCB ...
Page 27: ...28 Handset Main PCB ...
Page 28: ...29 WIRING DIAGRAMS Base Unit ...
Page 29: ...30 Handset ...
Page 48: ......