-30-
Voltages and Waveforms Charts
Note:
Voltages and waveforms were measured with colour bar signal and controls adjusted for normal picture.
Main Board
Q002
E 8.5V
C
0V
B 8.7V
Q1001
E 4.2V
C
0V
B 3.5V
Q111
E 0.5V
C 5.6V
B 1.2V
Q1003
E 3.3V
C
0V
B 2.7V
Q402
E 1.4V
C 4.1V
B 1.6V
Q431
E 0V
C 17V
B 0.5V
Q1002
E 4.1V
C 0V
B 3.5V
Q432
E 3.7V
C 336V
B 4.1V
Q122
E
0V
C
0V
B 0.6V
Q511
E
0V
C 3.8V
E
0V
Q681
E 0V
C 9.9V
B 0V
Q683
E 24.9V
C 24.8V
B 24.2V
Q684
E
0V
C
0V
B 0.7V
Q661
E
0V
C 9.9V
B
0V
Q641
E
4.1V
C 5V
B
4.8V
Q631
E 6.4V
C 22.6V
B 6.9V
Q886
E
0V
C
0V
B 0.7V
Q1902
E
5V
C
1V
B
5V
1000Vp-p
Horiz.
4Vp-p
4Vp-p
4Vp-p
3.9Vp-p
1Vp-p
49Vp-p
19.6Vp-p
1020Vp-p
50Vp-p
IC201-pin44
<Sandcastle>
IC201-pin21
<H drive>
IC201-pin12
<R out>
IC201-pin13
<G out>
IC201-pin14
<B out>
IC201-pin56
<CVBS int.>
IC501-pin5
<V out>
Q432-C
<H out>
Q432-B
<H out>
IC601-pin1
<Power out>
436Vp-p
Q431-C
<H drive>
4Vp-p
1.2Vp-p
IC201-pin17
<V drive>
IC501 (VERT. OUT)
Pin-1
2.5V
2
24.8V
3
1V
4
GND
5
11.9V
6
24V
7
2.5V
IC801 (MEMORY)
Pin-1
GND
2
GND
3
GND
4
GND
5
3.8V
6
3.6V
7
5V
8
5V
IC001 (AUDIO AMP.)
Pin-1
15.3V
2
0V
3
GND
4
0V
5
4.5V
6
0V
7
16.3V
8
7.6V
9
7.6V
10
GND
11
7.5V
12
7.8V
13
NC
IC601 (POWER)
Pin-1
416V~
2
0V
3
0V
4
18V
5
0.1V
6
1.3V
7
0.7V
IC651 (5VRC)
Pin-1
12.4V
2
GND
3
5V
IC202 (5V1)
Pin-1
7.8V
2
GND
3
5V
IC3701 (AUDIO CONTROL)
Pin-1:
GND
2:
4.2V
3:
4.2V
4:
4.2V
5:
3.5V
6:
4.2V
7:
4.2V
8:
4.2V
9:
4.2V
10:
4.2V
11:
4.2V
12:
4.2V
13:
4.2V
14:
4.2V
15:
4.2V
16:
4.2V
17:
8.3V
18:
3V
19:
3.8V
20:
3.5V
21:
0V
22:
4.2V
23:
4.2V
24:
4.2V
25:
4.2V
26:
4.2V
27:
4.2V
28:
4.2V
29:
4.7V
30:
4.2V
31:
4.2V
32:
3.5V
33:
4.2V
34:
4.2V
35:
4.2V
36:
4.2V
IC201 (IF/VIDEO/CHROMA/DEF/CPU)
Pin-1:
2.1V
2:
2.5V
3:
3.2V
4:
2.8V
5:
2.3V
6:
2.3V
7:
2.2V
8:
5V
9:
2.6V
10:
3.5V
11:
8V
12:
2.6V
13:
2.5V
14:
2.7V
15:
2.2V
16:
2.2V
17:
2.3V
18:
1.6V
19:
5V
20:
2.6V
21:
1.6V
22:
GND
23:
3.9V
24:
3.8V
25:
5V
26:
4.9V
27:
5V
28:
5V
29:
5V
30:
0V
31:
3.8V
32:
3.7V
33:
2.7V
34:
2.7V
35:
5V
36:
4.9V
37:
4.9V
38:
4.9V
39:
0V
40:
4V
41:
3.3V
42:
GND
43:
4.5V
44:
1V
45:
2.5V
46:
2.6V
47:
2.6V
48:
2.6V
49:
2.6V
50:
2.5V
51:
2.5V
52:
2.7V
53:
3.5V
54:
2.6V
55:
5V
56:
2.8V
57:
2.5V
58:
2.3V
59:
2.3V
60:
2.2V
61:
1.8V
62:
GND
63:
2.9V
64:
2.9V
SM_BA5V PWB & WAVEFORM 7/25/06 10:45 AM Page 30