42LF2500, 42LF2510 (CHASSIS:LD91A) — LG TV Service Manual (repair manual). Page 78

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Check IR B’D P1 Wafer
& Connector
Check MAIN B’D P1304
Wafer & Connector
YES
YES
NO
Replace it
Replace IR B’D
Making 
Revision 
2009. 2 . 1
34/34
 LCD TV
Symptom
Intelligent Sensor Problem
32~47LH4000
Page of 78
Display

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