LG 32LN540B (CHASSIS:LT36B) Service Manual ▷ View online
Standard Repair Process Detail Technical Manual
Check Back Light On with naked eye
A. Video error_No video/Normal audio
<ALL MODELS>
A1
Established
date
Revised
date
Error
symptom
Content
LCD TV
2012. 01.14
Power On -> disjoint back case -> check lighting at any point
Standard Repair Process Detail Technical Manual
Inverter B+ 24V measuring method
A. Video error_No video/Normal audio
A2
Established
date
Revised
date
Error
symptom
Content
LCD TV
2012. 11 .17
Measure LED+ applying to LED Back Light from Power Board.
Output LED+ from Power Board -> supply to LED B/L.
Check Pin contacting statement and connection statement.
<LPB MODELS>
Standard Repair Process Detail Technical Manual
Check White Balance value
A. Video error_No video/Normal audio
<ALL MODELS>
A3
Established
date
Revised
date
Error
symptom
Content
LCD TV
Entry method
1. Press the ADJ button on the remote controller for adjustment.
2. Enter into White Balance of item 8.
3. After recording the R, G, B (GAIN, Cut) value of Color Temp (Cool/Medium/Warm),
re-enter the value after replacing the MAIN BOARD.
2012. 11 .17
Standard Repair Process Detail Technical Manual
Power Board voltage measuring method
A. Video error_No video/ Audio
A4
Established
date
Revised
date
Error
symptom
Content
LCD TV
Check the DC 24V, 12V, 3.5V.
2012. 11 .17
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