Toshiba FD-4809, Руководство по обслуживанию

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