Table of Contents
Advertisement
Voltages and Waveforms Charts
Note: Voltages and waveforms were measured with colour bar signal and controls adjusted for normal picture.
Main Board
Q001
Q1003
Q111
E 3.2V
E 0.4V
E
8.4V
C
0V
C 5.6V
C
0V
B 2.6V
B 1.2V
B
8.6V
Q681
Q683
Q684
E
0V
E
25V
E
0V
C
9.8V
C 24.9V
C
0V
B
0V
B 24.3V
B 0.6V
IC201-pin12
IC201-pin13
<R out>
<G out>
4Vp-p
4.4Vp-p
IC201-pin56
IC501-pin5
<CVBS int.>
<V out>
0.1Vp-p
48Vp-p
IC001 (AUDIO AMP.)
Pin-1 15.2V
2
NC
10
GND
11
NC
IC501 (VERT. OUT)
Pin-1 2.4V
2
24.9V
IC601 (POWER)
Pin-1347V~
2
0V
IC651 (5VRC)
Pin-1 12.0V
2
GND
IC801 (MEMORY)
Pin-1 GND
2
GND
IC201 (IF/VIDEO/CHROMA/DEF/CPU)
Pin-1: 2.1V
2:
2.4V
10:
3.7V
11:
8.1V
19:
5.1V
20:
2.6V
28:
4.9V
29:
4.9V
37:
0V
38:
4.9V
46:
2.5V
47:
2.6V
55:
4.9V
56:
2.7V
64:
2.8V
Q122
Q402
Q431
E
0V
E 1.4V
E
0V
C 4.0V
C
0V
C 15V
B 1.6V
B 0.6V
B 0.5V
Q886
E
0V
C
0V
B 0.6V
IC201-pin14
<B out>
4.6Vp-p
Q431-C
<H drive>
41.6Vp-p
3
GND
4
0V
12
NC
13
NC
3
1V
4
GND
3
19.3V
4
0V
IC202 (5V1)
3
5V
Pin-1 7.7V
3
GND
4
GND
3:
3.1V
4:
2.6V
12:
2.7V
13:
2.8V
21:
1.6V
22:
GND
30:
0V
31:
3.8V
39:
0V
40:
3.9V
48:
2.5V
49:
2.5V
57:
2.5V
58:
2.2V
Q432
Q511
E
3.5V
E
0V
E
C 22.0V
C 340V
C 3.0V
B
B
4.0V
E
0V
IC201-pin21
IC201-pin17
<H drive>
<V drive>
4.4Vp-p
1.12Vp-p
Q432-B
Q432-C
<H out>
<H out>
20.2Vp-p
1016Vp-p
1000Vp-p
5
4.4V
6
0V
5
11.2V
6
24.2V
5
1.3V
6
0.8V
2
GND
3
4.9V
5
3.8V
6
3.6V
5:
2.2V
6:
2.3V
14:
2.9V
15:
1.3V
23:
3.2V
24:
4.9V
32:
3.4V
33:
2.6V
41:
3.3V
42:
GND
50:
2.8V
51:
2.5V
59:
2.3V
60:
2.2V
-27-
Q631
Q641
Q661
6.3V
E 4.0V
E 9.2V
C 4.9V
C 10V
6.9V
B 4.6V
B 9.8V
IC201-pin44
<Sandcastle>
4.4Vp-p
IC601-pin1
<Power out>
436Vp-p
Horiz.
7
16.2V
8
7.5V
7
2.5V
7
4.9V
8
4.9V
7:
2.0V
8:
4.9V
16:
2.2V
17:
2.3V
25:
4.9V
26:
4.8V
34:
2.6V
35:
4.9V
43:
4.4V
44:
1V
52:
2.6V
53:
3.5V
61:
1.8V
62:
GND
9
NC
9:
2.2V
18:
1.6V
27:
4.9V
36:
4.8V
45:
2.4V
54:
2.5V
63:
2.8V
Advertisement
Table of Contents
