Read LG 32LH30FD (CHASSIS:LT91A) Service Manual online
Check Signal format
Is it supported?
Check the RGB Cable
YES
MAIN B’D P400 Check
Replace MAIN B’D P400
YES
NO
NO
YES
Check MAIN B’D C212 (RED)
C207 (GREEN)
C213 (BLUE)
Video Signal ?
Replace
MAIN B’D C212 or C207 or C213
NO
Replace MAIN B’D IC 100
YES
MAIN B’D P400
Pin #3 (BLUE)
Pin #2 (GREEN)
Pin #1 (RED)
Video signal ?
Making
Revision
2009. 2 . 1
15/34
LCD TV
Symptom
RGB No Color Problem
26~42LH2000
32~47LH3000/LH4000
32~47LH3000/LH4000
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