Ic And Transistor Voltage Chart - Toshiba FD-4809 Service Manual

IC AND TRANSISTOR VOLTAGE CHART

Base Unit
Ref. No. PIN STBY
1 OPEN
2 OPEN
3 3.5
4 OPEN
5 GND
6 3.5
7 3.5
IC1 8 3.5
9 3.5
10 0.3-1.1
11 OPEN
12 2.2-2.8
13 3.4-3.6
14 0.4-2.4
15 GND
16 OPEN
1 3.0
2 0.0
3 0.0
4 0.0-3.0
5 GND
6 3.0
7 0.0
8 0.0
9 GND
10 GND
11 3.0
12 1.4
13 1.4
IC2 14 1.4
15 3.0
16 OPEN
17 1.4
18 GND
19 OPEN
20 OPEN
21 1.4
22 1.4
23 0.0
24 OPEN
25 OPEN
26 OPEN
27 GND
28 0.0-3.0
29 0.6-1.8
Unit[V]
TALK NOTE
OPEN
OPEN
3.5
OPEN
GND
3.5
3.5
3.5
3.5
1.9 Pulse
OPEN
2.2-2.8 Float Float
3.4-3.6 Float Float
0.4-1.2 Float Float
GND
OPEN
0.2
3.0
3.0
3.0 Pulse
GND
3.0
3.0
3.0
GND
GND
3.0
1.4
1.4
1.4
3.0
OPEN
1.4
GND
OPEN
OPEN
1.4
1.4
0.0
OPEN
OPEN
OPEN
GND
0.0-3.0 Pulse Pulse
0.6-1.8
Sine wave Sine wave
Ref. No. PIN STBY
30 OPEN
31 OPEN
32 OPEN
33 OPEN
34 OPEN
35 0.4-2.6
36 1.2-1.6
IC2 37 0.0
38 3.0
39 GND
40 0.0
41 0.0
42 0.0-3.0
43 0.0-3.0
44 0.0-3.0
1
2
IC3
3 GND
4 3.0
1 3.0
2 OPEN
3 GND
4 OPEN
5 0.0
6 0.0
7 0.0-3.0
8 0.0
9 GND
10 3.1
11 OPEN
12 OPEN
IC4 13 OPEN
14 0.4
15 0.0
16 3.0
17 0.0
18 0.0-3.0
19 0.0-3.0
20 0.0-3.0
21 3.1
22 OPEN
23 0.0
24 3.1
25 OPEN
26 3.0
20
Unit[V]
TALK NOTE
OPEN
OPEN
OPEN
OPEN
OPEN
0.4-1.4 Float Float
1.2-1.6 Float Float
0.0
3.0
GND
0.0-3.0 Pulse
0.0
0.0-3.0 Pulse Pulse
0.0-3.0 Pulse Pulse
0.0-3.0 Pulse Pulse
GND
3.0
3.0
OPEN
GND
OPEN
0.0
3.0
3.0 Pulse
3.0
GND
3.1
OPEN
OPEN
OPEN
2.2
3.0
0.2
3.0
0.0-3.0 Pulse Pulse
0.0-3.0 Pulse Pulse
0.0-3.0 Pulse Pulse
3.1
OPEN
0.0
3.1
OPEN
3.0