Toshiba FT-8901A Service Manual page 25

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Ref.
Pin
STBY
No.
9
0.0
10
2.9-0.0
DATA(PULSE)
11
0.0
12
1.5
13
3.0
14
1.5
15
1.5
16
0.0
IC602
17
0.0
18
2.8
19
1.1
20
1.5
21
0.9
22
1.5
23
1.5
24
1.5
1
3.5-2.3
2
2.8-2.1
3
2.8
4
3.0
5
1.9
6
1.9
7
1.9
8
3.0
IC603
9
1.8-0.2
10
0.8
11
2.2-0.6
12
0.5
13
2.9
14
0.0
15
0.0
16
1.9
1
3.2
2
3.8
IC606
3
0.0
GND(digital)
4
3.8
5
3.2
1
2.8
2
0.0
IC607
3
1.2
4
3.0
5
3.8
1
2.8
2
0.0
3
0.0
4
0.0
IC608
5
0.0
6
0.0
7
0.0
8
0.0
9
0.0
Unit [V]
Note
TALK
Note
GND
0.0
GND
3.0-0.1
DATA(PULSE)
GND
0.0
GND
1.5
Vcc
3.0
Vcc
1.5
OPEN
1.5
OPEN
2.9
2.9
OPEN
2.8
OPEN
OPEN
1.2
OPEN
1.5
0.6
1.5
1.5
1.5
OSC
3.4-2.6
OSC
OSC
2.8-2.2
OSC
2.9-2.4
Vcc
3.0
Vcc
2.2-1.8
2.0
2.0
2.2-2.0
2.2-0.6
0.9
1.8-1.6
0.8
0.0
OPEN
0.0
OPEN
GND
0.0
GND
1.9
3.2
Vbatt
3.8
Vbatt
0.0
GND(digital)
Vbatt
3.8
Vbatt
3.2
2.8
GND
0.0
GND
1.3
3.0
Vbatt
3.8
Vbatt
2.9
OPEN
0.0
OPEN
0.0
0.0
0.0
0.0
0.0
OPEN
0.0
OPEN
OPEN
0.0
OPEN
Ref.
Pin
STBY
No.
10
2.9
11
2.9
12
0.0
13
0.0
14
3.2
15
3.2
16
0.0
17
2.9
18
0.0
19
2.9
20
0.0
21
0.0
22
1.7-0.4
23
2.6-0.1
24
0.0
25
0.0
26
0.0
27
0.0
28
0.0
29
0.0
30
0.0
31
0.0
32
0.0
33
0.0
34
0.0
IC608
35
2.9
36
0.0
37
0.0
38
3.2
39
0.0
40
0.0
41
0-3.8
42
2.8
43
0.0
44
3.0
45
0.0
46
2.9-0.0
47
2.9-0.0
48
2.9-0.0
49
0.0
50
0.0
51
0.0
52
0.0
53
0.0
54
0.0
55
2.9-0.2
56
2.9
57
0.0
58
0.0
59
0.0
60
0.8
— 27 —
Unit [V]
Note
TALK
3.0
Vcc
2.9
GND(digital)
0.0
GND(digital)
GND(digital)
0.0
GND(digital)
3.2
3.2
GND(digital)
0.0
GND(digital)
2.9
GND(digital)
0.0
GND(digital)
2.9
GND(digital)
0.0
GND(digital)
GND(digital)
0.0
GND(digital)
OSC
1.7-0.5
OSC
2.6-0.1
GND(digital)
0.0
GND(digital)
OPEN
0.0
DATA(PULSE)
2.9-0.0
DATA(PULSE)
0.0
2.8
DATA(PULSE)
2.9-0.0
DATA(PULSE)
2.9
2.9
OPEN
0.0
OPEN
0.0
OPEN
0.0
2.9
OPEN
0.0
OPEN
0.0
3.2
OPEN
0.0
OPEN
0.0
3.8
2.9
0.0
0.1
OPEN
0.0
DATA(PULSE)
0.0
DATA(PULSE)
DATA(PULSE)
0.0
DATA(PULSE)
DATA(PULSE)
2.9
DATA(PULSE)
GND(digital)
0.0
GND(digital)
2.9
DATA(PULSE)
2.9-0.0
DATA(PULSE)
DATA(PULSE)
2.9-0.0
DATA(PULSE)
0.0
2.9
DATA(PULSE)
3.0-0.2
DATA(PULSE)
Vcc
2.9
Ref OSC
2.8-0.1
Ref OSC
0.0
0.0
1.0
Note
Vcc
OSC
OSC
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
SQ_IN
OPEN
Vcc

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