Image Overlap, Focus Or Flicker, Color Defect - NEC Multi Sync EA221WM Service Manual

2.4 Image overlap, focus or flicker
Recommended frequency EA221WM: 1680×1050@60Hz

Image overlap, focus or flicker, color defect

OK
Factory Reset is executed.
NG
NG
OK
Change the resolution to
Is the input signal proper?
recommended frequency.
OK
NG
OK
Readjust the auto adjusts or clock
phase in the OSD user menu.
NG
OK
Replace MAIN PWB.
NG
Replace the LCD panel.
OK
End
2-5