Toshiba FT-8901A Service Manual page 23

Ref.
Pin STBY
No.
IC3 4 3.6
1 3.9-2.5 X'TAL
2 3.1-2.3 X'TAL
3 2.6
4 3.3
5 2.2
6 2.2
7 2.2
8 3.4-3.2
IC4
9 0.9
10 0.9
11 2.1-0.8
12 0.5
13 3.2
14 0.0
15 0.0
16 1.9
1 0.0
2 0.0
3 0.0
4 3.7
5 3.7
6 0.0
7 0.0
8 0.0
9 0.0
10 0.0
11 0.0
12 0.0
13 0.0
14 0.0
15 0.0
16 0.0
17 0.0
IC5
18 0.0
19 0.0
20 0.0
21 3.7
22 0.0
23 0.0
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
Unit [V]
Note TALK Note
3.6
3.9-2.5 X'TAL
3.1-2.3 X'TAL
2.9
Vcc 3.3 Vcc
2.4-2.0
2.2
2.2
3.4-3.2
0.9
0.9
1.5
0.8
0.0
0.0
GND 0.0 GND
2.1-1.7
GND 0.0 GND
0.0
0.0
3.7
3.7
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
GND 0.0 GND
Vcc 3.7 Vcc
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Ref.
Pin STBY
No.
35 0.0
36 0.0
37 0.0
IC5
38 3.7
39 3.7
40 3.7
1 3.7
2 3.7
3 3.7
4 3.7
5 3.7
6 2.7
7 0.0
8 0.0
9 0.0
10 0.0
11 0.0
12 3.7
13 0.0
14 2.3
15 2.3
16 2.3
17 2.3
18 2.3
19 2.3
20 2.3
21 2.3
22 2.3
IC6 23 2.3
24 2.3
25 2.3
26 2.3
27 2.3
28 0.0
29 0.0
30 0.0
31 0.0
32 1.5
33 1.5
34 3.7
35 1.5
36 1.5
37 3.7
38 1.6
39 1.5
40 0.0
41 0.0
42 0.0
43 3.7
44 1.5
45 1.5
— 25 —
Unit [V]
Note TALK
0.0
0.0
0.0
3.7
3.7
Vcc 3.7
COL00 3.7 COL00
COL01 3.7 COL01
COL02 3.7 COL02
COL03 3.7 COL03
COL04 3.7 COL04
INUSE_LED 0.2 INUSE_LED
ROW00 0.0 ROW00
ROW01 0.0 ROW01
ROW02 0.0 ROW02
0.0
TONE_OUT 0.0 TONE_OUT
Dvcc 3.7
DGND 0.0 DGND
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
DGND 0.0 DGND
0.0
0.0
GND 0.0
1.5
1.5
Vcc 3.7
1.5
1.5
AVcc 3.7
1.5
1.5
0.0
0.0
0.0
3.7
1.5
1.5
Note
Vcc
Dvcc
GND
Vcc
AVcc