21
Unit[V]
Unit[V]
Ref. No.
PIN
STAND-BY
TALK
NOTE
Ref. No.
PIN
STAND-BY
TALK
NOTE
45
3.2
0
1
2.5
2.5
46
2.8
2.8
2
2.5
2.5
47
2.8
2.8
3
2.5
2.5
48
0
0
4
2.5
2.5
49
0
0
5
2.5
2.5
50
0
0
6
0
0
GND
51
0
0
7
0
0
GND
52
2.8
2.8
8
0
0
53
2.8
2.8
9
0
0
GND
54
3.2
3.2
10
1.4-3.5
1.4-3.5
SINE WAVE
IC5
55
0.2-2.6
0.2-2.6
SINE WAVE
11
0-5
0-5
SINE WAVE
56
-0.2-2.2
-0.2-2.2
SINE WAVE
12
0
0
GND
57
3.1
3.1
IC9
13
0
0
GND
58
0
0
14
0
0
GND
59
0
0
15
0
0
60
3.2
3.2
16
0
0
61
0
0
17
5
5
62
0
0
18
5
5
63
0
0
19
5
5
64
0
0
20
0
0
1
3.2
3.2
21
0
0
IC6
2
0
0
22
0
0
3
0
0
23
0
0
1
3.2
3.2
24
5
5
Vcc
2
1.2
1.2
E
0
0
3
0
0
Q1
C
2.1
0.58p-p
SINE WAVE
4
2.8
2.8
B
0.8
0.8
5
2.8
2.8
E
0.4
0.4
6
0
0
Q2
C
1.9
1.9
7
0
0
B
1
1
8
0
0
E
0.6
0.6
9
0.2-2.6
0.2-2.6
Q3
C
4.2
4.2
IC8
10
0-3.2
0-3.2
B
1.4
1.4
11
0
0
E
0.6
0.6
12
3.2
3.2
Q4
C
1.4
1.4
13
0
0
B
1.2
1.2
14
0
0
E
0
0
15
0
0
Q6
C
3
3
16
0
0
B
0
0
17
2.8
2.8
E
5.2
5.2
18
0
0
Q7
C
9
9
19
0
0
B
6
6
20
1.2
1.2
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: ......