LG 32LH500D - Video error_No video;Normal audio

Standard Repair Process Detail Technical Manual
LED TV
Error
symptom
Video error_No video/Normal audio
Established
date
2016. 03.07
Content
Backlight converter measuring method
Revised
date
A1
32inch 43inch
1. Measure DC ~24V applying to Backlight module section, Check the FB9102
2. Output DC~32V from Backlight module to Light bar module, Check the Pin1/12 of
CN8603. Check Pin contacting statement and connection statement.
43inch
1. Measure DC ~15V applying to Backlight module section, Check the C9122.
2. Output DC~24V from Backlight module to Light bar module, Check the Pin1/2 of
CN8601. Check Pin contacting statement and connection statement.
32inch