Read LG 42LD320H (CHASSIS:LD91X) Service Manual online
Check IR B’D P1 Wafer
& Connector
Check MAIN B’D P1305
Wafer & Connector
YES
NO
Replace MAIN B’D IC100
IR B’D IC1 Pin #3
Voltage 4V ↑
?
NO
NO
Replace it
YES
Replace IR B’D IC1
NO
Replace MAIN B’D IC100
Making
전자 - 6-2
Revision
LCD TV
Symptom
Remote Control Problem
22LD320H
2010. 07 .27
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