24
Unit[V]
Unit[V]
Ref No.
PIN
STBY
TALK
NOTE
Ref No.
PIN
STBY
TALK
NOTE
4
0.0-4.9
0.0-4.6
CLK(SIN)
51
4.9 0.1
5
1.1-3.0
1.0-2.9
CLK(SIN)
52
4.8 4.5
6
0.0 0.0 GND
53
4.8 4.5
7
4.9 4.5
VCPU
54
4.8 0.5
8
4.9 4.4
55
4.8 4.5
9
0.0 0.0
OPEN
56
4.8 4.5
10
0.0 0.0
OPEN
IC22
57
4.9 4.6
OPEN
11
0.0 0.0
OPEN
58
4.7 4.5
12
0.0 0.0
OPEN
59
4.8 4.5
13
4.9 4.4
60
0.0 0.0
14
4.8 4.4
61
4.9 4.6
VCPU
15
0.0 0.0
62
4.9 4.6
VCPU
16
4.8 4.4
63
4.9 4.6
VCPU
17
0.0 4.3
64
3.5 3.5
18
4.8 4.4
1
4.8 4.5
19
0.0 0.0
OPEN
IC23
2
4.8 4.6
20
4.9 4.6
3
0.0 0.0
21
4.9 4.6
1
2.2 2.2
22
4.9 4.5
2
2.2 2.2
23
0.0 4.6
3
1.5 1.5
24
0.0 0.0
OPEN
4
2.4 2.4
25
0.0 0.0
OPEN
5
2.8 2.8
26
4.8/0.0
0.0/0.0
TONE/PULSE
6
2.7 2.7
IC22
27
4.8/0.0
4.5/0.0
RING0N/OFF
7
2.8 2.8
28
0.0 4.6
OPEN
8
2.8 2.7
29
4.8 4.6
9
2.8 2.8
30
0.0 4.6
10
2.8 2.8
31
0.0 0.0
11
2.4 2.4
32
0.0
0.06-0.1
12
2.6 2.6
33
4.7 0.0
13
2.8 2.8
34
4.9 4.6
IC32
14
0.0 0.0 GND
35
0.0 0.0
15
2.9 2.9
36
0.04
0.04
16
7.4 7.4
37
0.0 0.0
17
1.9 1.9
38
1.9 1.9
OPEN
18
0.0 0.0 GND
39
0.2-4.8
0.2-4.5
(PULSE)
19
0.0 0.0
40
0.0 4.6
20
5.4 5.4
41
0.0 4.6
21
2.8 2.8
42
4.2 3.9
22
0.0 0.0 GND
43
4.9 4.6
23
0.0 0.0
44
0.0 0.0
24
2.6 2.6
45
4.9 0.7
OPEN
25
5.2 5.2
46
0.0 0.0
26
2.4 2.4
47
0.0 0.0
27
1.5 1.5
48
0.0
0.0
28
2.1 2.1
49
0.0
0.0
50
4.9
0.1
Summary of Contents for FT-8859
Page 2: ...CORDLESS TELEPHONE SERVICE MANUAL FILE NO 2B0 9907 FT 8859 PUBLISHED IN JAPAN Oct 1999 ...
Page 11: ...9 BLOCK DIAGRAMS Base Unit ...
Page 12: ...10 Handset Unit ...
Page 13: ...11 12 SCHEMATIC DIAGRAMS Base Unit Main ...
Page 15: ...14 15 Handset ...
Page 30: ...30 ELECTRICAL PARTS LOCATION Base Unit Main PCB ...
Page 31: ...31 Base Unit Key PCB ...
Page 32: ...32 Handset Main PCB ...
Page 33: ...33 34 WIRING DIAGRAMS Base Unit ...
Page 34: ...35 Handset ...
Page 57: ......