Chapter 10 trouble shooting – Vizio P42HDTV10A User Manual
Page 105

CONFIDENTIAL – DO NOT COPY
Page 10-1
File No. SG-0184
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Chapter 10 Trouble shooting
MONITOR
DISPLAY
NOTHING
(PC
MODE)
Start
LED is lighted
1.
Is Power board output
+5V?
2.
Is J1 connector good?
3.
Is DC-DC OK?
4.
Is U4 (3.3V) working ok?
LED is lighting?
It is in power saving
1.
Check video cable
2.
Is the timing supported?
3.
Check sync input
4.
Check VGASOG rout if
analog (SOG)
It means data to LVDS
1.Is J6 connecting well?
2.Check J1 +5V&+12V
3.Is panel ok?
U9 no data in?
1.Is U9 working good?
2.Is U11&U12 working good?
3.IS U10 working good?
1. Check P3 D-sub Input
correct
END
U9 no data out?
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