Electrical Adjustments - Mitsubishi Electric 50P-GHS63 Service Manual

Gm2 chassis
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!ELECTRICAL ADJUSTMENTS!
Perform only the adjustments required.
•Measuring Equipment and Jigs
0
Oscilloscope (Unless otherwise specified in particular, use 10 : 1 probes.)
0
RGB Signal Generator (VG-814 made by Astrodesign)
0
Frequency Counter
0
DC Voltmeter
0
DC Ampere Meter
0
Electrical Tools
•rest Signal
Use the following timing signals :
Horizontal
Vertical
Video Signal
Synchronizing Signal
Timin~
Program
Signal
Pattern
Frequency
Frequency
(Upper line : Horizontal Time [J.lS] Lower line : Vertical line
[H])
No.
fH
fv
A+B
c
E
B
D
· [kHz]
[Hz]
[J.1S]I[H]
[J.1S] I [H]
[).lS] I [H]
[).lS] I
[H]
[).lS] I [H]
11
Standard Signal! OPTION2
24.39
57.52
41.00/424
3.00/4
4.38126
30.75/381
2.87113
12
Standard Signal
J
Crosshatch with circle
24.39
57.52
41.00/424
3.0014
4.38126
30.751381
2.87113
13
Standard Signal K Crosshatch
24.39
57.52
41.00/424
3.00/4
4.38/26
30.75/381
2.87113
15
Standard Signal
M
Full White Raster
24.39
57.52
41.00/424
3.00/4
4.38/26
30.751381
2.87/13
17
Standard Signal 0 Gray Scale
24.39
57.52
41.00/424
3.00/4
4.38/26
30.751381
2.87113
18
Standard Signal P Full Black
24.39
57.52
41.00/424
3.0014
4.38126
30.75/381
2.87113
21
Standard Signal
Q
OPTION2
31.67
60.32
31.58/525
3.58/2
1.71150
25.88/448
0.41125
22
Standard Signal
R
Crosshatch with circle
31.67
60.32
31.581525
3.5812
1.71150
25.881448
0.41125
23
Standard Signal S Crosshatch
31.67
60.32
31.58/525
3.58/2
1.71150
25.881448
0.41125
24
Standard Signal T CHARA WINDOW
31.67
60.32
31.58/525
3.58/2
1.71150
25.881448
0.41/25
25
Standard Signal
U
Full White Raster
31.67
60.32
31.58/525
3.58/2
1.71150
25.881448
0.41125
27
Standard Signal
W
Gray Scale
31.67
60.32
31.58/525
3.5812
1.71150
25.881448
0.41/25
28
Standard Signal
X
Full Black
31.67
60.32
31.58/525
3.58/2
1.71150
25.881448
0.41/25
29
Standard Signal
Y
Centering
31.67
60.32
31.58/525
3.58/2
0.49121
26.941502
0.57/0
30
Standard Signal
Z
Dot
31.67
60.32
31.58/525
3.58/2
1.71150
25.881448
0.41/25
-15-

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