LG 32LD320-ZA - Digital TV Video Problem Troubleshooting; Digital TV Video Flowchart

Check RF Cable
MAIN B’D L1201 = 5V ?
YES
MAIN B’D L1202 = 3.3V ?
NO
Replace MAIN B’D IC809
YES
NO
Replace MAIN B’D IC808
MAIN B’D IC804
Pin #2 = 1.2V ?
Replace MAIN B’D IC804
YES
NO
YES
MAIN B’D R1210 Clock ?
NO
Replace MAIN B’D TU1200
Making
Revision
2009. 2 . 1
LCD TV
Symptom
Digital TV Video Problem
26~42LH2000
32~47LH3000/LH4000
5/34
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