26
Unit[V]
Unit[V]
Ref. No.
PIN
STBY
TALK
NOTE
Ref. No.
PIN
STBY
TALK
NOTE
33
3.2
3.3
34
3.3
3.3
35
0.0
0.0
36
3.3
0.1
37
0.0
0.0
38
1.1
1.1
39
0.0
0.0
40
5.3
5.2
41
5.3
5.2
VCC
42
0.0
0.0
43
0.1
5.1
44
0.5
0.5
45
0.0
0.0
46
5.3
5.2
47
5.3
5.2
IC6
48
0.0
0.0
49
0.0
0.0
50
0.0
0.0
51
0.0
0.0
52
0.0
5.2
53
5.3
5.2
54
5.3
5.2
55
3.1
3.1
56
2.9
2.8
57
5.2
5.1
58
0.0
5.2
59
0.0
5.2
60
5.2
0.0
61
5.2
5.1
62
5.2
5.2
63
0.0
5.1
64
5.2
0.0
1
3.2
5.2
VCC
2
0.0
3.2
3
5.3
0.0
4
5.3
5.2
5
0.0
5.2
IC7
6
0.0
0.0
7
0.0
0.0
GND
8
2.3
0.0
9
2.5
2.3
10
0.0
2.5
11
5.2
0.0
12
0.0
5.2
13
0.0
0.0
14
0.0
0.0
15
5.3
5.2
IC7
16
5.3
5.2
17
0.0
0.0
18
0.0
0.0
19
3.2
3.2
20
2.6
2.6
1
2.6
2.6
2
2.6
2.6
3
2.6
2.6
4
2.6
2.6
5
0.0
2.6
6
0.0
0.0
7
0.0
0.0
8
0.0
0.0
9
0.0
0.0
10
2.6
0.6
11
2.7
2.6
IC8
12
0.0
0.0
GND
13
0.0
0.0
14
0.0
0.0
15
0.0
0.0
16
5.2
5.2
17
5.2
5.2
18
5.2
5.2
19
0.0
5.2
20
0.0
0.0
21
0.0
0.0
22
0.0
0.0
23
0.0
0.0
24
5.2
5.7
VCC
1
5.2
5.2
IC9
2
5.2
5.2
VCC
3
0.0
0.0
GND
1
2.6
2.6
2
1.4
1.4
3
1.4
1.4
IC201
4
1.4
1.4
5
1.4
1.4
6
3.6
3.6
7
0
0
GND
8
1.4
1.4
Summary of Contents for FT-8989
Page 2: ...CORDLESS TELEPHONE SERVICE MANUAL FILE NO 2B0 9905 FT 8989 PUBLISHED IN JAPAN Sep 1999 ...
Page 11: ...9 BLOCK DIAGRAMS Base Unit Main ...
Page 12: ...10 Base Unit DSP ...
Page 13: ...11 Handset ...
Page 14: ...12 13 SCHEMATIC DIAGRAMS Base Unit Main ...
Page 15: ...14 15 Base Unit Key ...
Page 16: ...16 17 Handset ...
Page 34: ...35 ELECTRICAL PARTS LOCATION Base Unit Main PCB ...
Page 35: ...36 Base Unit Key PCB ...
Page 36: ...37 Handset Main PCB ...
Page 37: ...38 39 WIRING DIAGRAMS Base Unit ...
Page 38: ...40 Handset ...
Page 66: ......