LG CS990D-EP Service Manual page 18

16) Adjust SUB-CONTRAST command to 47 ± 1FL of
the color 15,0 window pattern (70x70mm)
luminance at Mode 4.
17) Display color 15,0 full white patten at Mode 4.
18) Set the Brightness and Contrast to max.
19) COLOR ADJ. → LUMINANCE → ABL command.
20) Adjust ABL to 32 ± 1FL of the luminance.
21) Exit from the program.
Monitor to be
adjusted
5V
Video Signal
Generator
C
A
A
9
5
15 11
10
6
5 1
OFF ON
F
ON
OFF
B
Figure 1. Cable Connection
6. Adjustment for Focus.
1) Display H character in full screen at Mode 4.
2) Adjust two Focus control on the FBT that focus
should be the best condition.
IBM
Compatible PC
Power inlet (required)
Power Select Switch
(110V/220V)
Power LED
E
ST Switch
B
F V-Sync On/Off Switch
(Switch must be ON.)
6
1
C
13
25
5V
4.7K
4.7K
5V
E
74LS06
4.7K
74LS06
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Parallel Port
1
14