Trouble Shooting; Monitor Display Nothing - Vizio VO47L FHDTV20A_LPL Service Manual

Chapter 9
MONITOR DISPLAY NOTHING (PC MODE)
LED is lighted
(Orange
LED is lighting?
Panel has no data
out?
END
CONFIDENTIAL – DO NOT COPY

Trouble shooting

Start
N0
green)
Yes
N0
N0
Yes
N0
Yes
1. Is Power board output +5VSB (F1)?
2. Is J1 connector of MB good?
3. Is DC-DC OK?
4. Is U22 pin2 (+3V3SB) working ok?
It is in power saving
1. Check video cable
2. Is the timing supported?
3. Check sync input
4. Check VGA SOG rout if analog (SOG) (C132)
It means data to LVDS
1. Is J8 connecting OK?
2. Check J1 +5VSB (F1)&+12V (F2)
3. Is panel ok?
4. Check P5 D-sub Input correct
5. Check analog input route
Page 9-1
File No. SG-0275