-31-
Voltages and Waveforms Charts
Note:
Voltages and waveforms were measured with colour bar signal and controls adjusted for normal picture.
Main Board
1000Vp-p
Horiz.
4.4Vp-p
4.4Vp-p
4.4Vp-p
4.6Vp-p
0.1Vp-p
48Vp-p
20.2Vp-p
1016Vp-p
41.6Vp-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
1.12Vp-p
IC201-pin17
<V drive>
Q002
E 8.4V
C
0V
B 8.6V
Q1001
E 4.2V
C
0V
B 3.5V
Q133
E
0V
C 0.9V
B 0.5V
Q132
E 0.5V
C 4.4V
B 0.9V
Q111
E 0.4V
C 5.6V
B 1.2V
Q1003
E 3.2V
C
0V
B 2.6V
Q402
E 1.4V
C 4.0V
B 1.6V
Q431
E 0V
C 15V
B 0.5V
Q1002
E 4.2V
C 0V
B 3.5V
Q131
E
1V
C
0.5V
B
0.9V
Q432
E 3.5V
C 340V
B 4.0V
Q122
E
0V
C
0V
B 0.6V
Q130
E 4.9V
C 2.2V
B 4.4V
Q511
E
0V
C 3.0V
E
0V
Q681
E 0V
C 9.8V
B 0V
Q683
E 25V
C 24.9V
B 24.3V
Q684
E
0V
C
0V
B 0.6V
Q661
E 9.2V
C 10V
B 9.8V
Q641
E
4.0V
C 4.9V
B
4.6V
Q631
E 6.3V
C 22.0V
B 6.9V
Q886
E
0V
C
0V
B 0.6V
Q1902
E 4.9V
C 0.8V
B 4.9V
IC501 (VERT. OUT)
Pin-1
2.4V
2
24.9V
3
1V
4
GND
5
11.2V
6
24.2V
7
2.5V
IC801 (MEMORY)
Pin-1
GND
2
GND
3
GND
4
GND
5
3.8V
6
3.6V
7
4.9V
8
4.9V
IC001 (AUDIO AMP.)
Pin-1
15.2V
2
0V
3
GND
4
0V
5
4.4V
6
0V
7
16.2V
8
7.5V
9
7.4V
10
GND
11
7.5V
12
7.6V
13
NC
IC601 (POWER)
Pin-1
347V~
2
0V
3
19.3V
4
0V
5
1.3V
6
0.8V
IC651 (5VRC)
Pin-1
12.0V
2
GND
3
5V
IC202 (5V1)
Pin-1
7.7V
2
GND
3
4.9V
IC3701 (AUDIO CONTROL)
Pin-1:
GND
2:
4.2V
3:
4.2V
4:
0V
5:
3.5V
6:
4.2V
7:
4.2V
8:
4.2V
9:
4.1V
10:
4.1V
11:
4.1V
12:
4.1V
13:
0V
14:
4.2V
15:
4.2V
16:
4.2V
17:
0V
18:
0V
19:
0V
20:
3.3V
21:
0V
22:
4.2V
23:
4.2V
24:
4.2V
25:
4.1V
26:
4.1V
27:
4.1V
28:
0V
29:
4.7V
30:
4.2V
31:
4.2V
32:
0V
33:
4.2V
34:
0V
35:
4.2V
36:
4.2V
IC201 (IF/VIDEO/CHROMA/DEF/CPU)
Pin-1:
2.1V
2:
2.4V
3:
3.1V
4:
2.6V
5:
2.2V
6:
2.3V
7:
2.0V
8:
4.9V
9:
2.2V
10:
3.7V
11:
8.1V
12:
2.7V
13:
2.8V
14:
2.9V
15:
1.3V
16:
2.2V
17:
2.3V
18:
1.6V
19:
5.1V
20:
2.6V
21:
1.6V
22:
GND
23:
3.2V
24:
4.9V
25:
4.9V
26:
4.8V
27:
4.9V
28:
4.9V
29:
4.9V
30:
0V
31:
3.8V
32:
3.4V
33:
2.6V
34:
2.6V
35:
4.9V
36:
4.8V
37:
0V
38:
4.9V
39:
0V
40:
3.9V
41:
3.3V
42:
GND
43:
4.4V
44:
1V
45:
2.4V
46:
2.5V
47:
2.6V
48:
2.5V
49:
2.5V
50:
2.8V
51:
2.5V
52:
2.6V
53:
3.5V
54:
2.5V
55:
4.9V
56:
2.7V
57:
2.5V
58:
2.2V
59:
2.3V
60:
2.2V
61:
1.8V
62:
GND
63:
2.8V
64:
2.8V
SM_BB3V PWB & WAVEFORM 10/9/06 2:09 PM Page 31