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