LG 32LN52XX / 32LN520B (CHASSIS:LD36M) Service Manual ▷ View online
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Standard Repair Process Detail Technical Manual
Check power input voltage and ST-BY 3.5V
B. Power error _No power
A12
Established
date
Revised
date
Error
symptom
Content
LCD TV
2013. 01 .09
Check the DC 24V (L421)
Check the ST-BY 3.3V (L405)
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Standard Repair Process Detail Technical Manual
Checking method when power is ON
B. Power error _No power
A13
Established
date
Revised
date
Error
symptom
Content
LCD TV
2013. 01 .09
Check the DC 24V (L421)
Check the LED_ON HIGH
(IC6900, pin No. 1)
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Entry method
1. Press the IN-START button of the remote controller
for adjustment
2. Check the entry into adjustment item 3
Standard Repair Process Detail Technical Manual
POWER OFF MODE checking method
B. Power error
_Off when on, off whiling viewing
<ALL MODELS>
A14
Established
date
Revised
date
Error
symptom
Content
LCD TV
2013. 01 .09
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Standard Repair Process Detail Technical Manual
Voltage and speaker checking method when there is no audio
C. Audio error_No audio/Normal video
<ALL MODELS>
A15
Established
date
Revised
date
Error
symptom
Content
LCD TV
2013. 01 .09
Check the DC 24V (L3401)
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