LG 42LV4400 - Component Signal Display Problems

CONFIDENTIAL – DO NOT COPY
Page 9-3
File No. SG-0000034
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COMPONENT
IS NOT DISPLAY CORRECTLY
Start
Input signal good?
1.Check video
2.Check host’s setting
P2 input correct?
1.Check signal between P2
2.Check power 12V& 5v
U15 input correct?
1.Check signal between U15&P2
2.Check U15 Clock (54MHZ)
3.Check U15 :DV33&VCCK&AV33&AV125
LVDS output correct ?
1.Check U15
2. Check T-con power
3.Check mini-LVDS cable
1.Is TCN1 & TCN2 connected good?
2.Is panel working ok?
END