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19LD320, 19LD320N (CHASSIS:LD91A) - LG TV Service Manual (repair manual). Page 76

Read LG 19LD320 / 19LD320N (CHASSIS:LD91A) 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 
Revision 
2009. 2 . 1
33/34
 LCD TV
Symptom
Remote Control Problem
19~22LH2000
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