DOWNLOAD LG 37LH3000 / 37LH3010 / 37LH3020 / 37LH3040 (CHASSIS:LD91A) Service Manual ↓ Size: 3.24 MB | Pages: 79 in PDF or view online for FREE

Model
37LH3000 37LH3010 37LH3020 37LH3040 (CHASSIS:LD91A)
Pages
79
Size
3.24 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
37lh3000-37lh3010-37lh3020-37lh3040-chassis-ld91a.pdf
Date
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LG 37LH3000 / 37LH3010 / 37LH3020 / 37LH3040 (CHASSIS:LD91A) Service Manual ▷ View online

Check IR B’D P1 Wafer
& Connector
Check MAIN B’D P1304
Wafer & Connector
YES
NO
Replace it
YES
Replace IR B’D
Making 
Revision 
2009. 2 . 1
32/34
 LCD TV
Symptom
Remote Control Problem
26~42LH2000
32~47LH3000/LH4000
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
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
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 79
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