LG 32LH20D - Analog TV Video Troubleshooting

Making
Revision
2009. 2 . 1
LCD TV
Symptom
Analog TV Video Problem
4/25
Check RF Cable
MAIN B’D L1111 = 5V ?
YES
MAIN B’D L1112 = 3.3V ?
NO
Replace MAIN B’D IC1103
YES
NO
Replace MAIN B’D IC808
MAIN B’D L1113 = 1.8V ? Replace MAIN B’D IC1105
YES
NO
YES
MAIN B’D X1101 Clock ?
NO
Replace MAIN B’D X1101
Copyright ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only