Service manual

The Ver. Or Hor.
Sync. Does not hold
Are the output
MV2(CLK,H,V,
DE) normal
Tighten two flex
cables at
CON5,CON6
End
REPLACE
End
Are two flex cables
attached firmly at
the LCD panel
connectors
Replace V901 (LCD
panel)
End
Are two flex cables
attached firmly at
CON5, CON6
Are the input
waveforms of
M V2 normal
Tighten two flex
cables at
CON5,CON6
Yes
Yes
Yes
Yes
No
No
No
End
ViewSonic Corporation
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VG500b