Color Errors - NEC MultiSync LCD2080UX -BKA Service Manual

3.4 Color Errors

Execute FACTORY PRESET of the OSM USER mode.
NG
Enter the SERVICE mode and execute SERVICE RESET.
NG
Execute AUTO ADJUST.
NG
Execute the automatic adjustment of H/V POSITION,
H.SIZE, and FINE in the OSM USER mode.
NG
Is there no change in abnormal conditions?
No changes
• Check the LCD module, IC4A1, or its peripheral circuits.
• Check the waveforms at ICA01 pins 5, 13 and 20.
Changes present
Normal
Normal
Normal
Normal
IC401 or its peripheral circuits are
out of order.
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