LG 32LF550B - Page 55

Standard Repair Process Detail Technical Manual
Inverter B+ 24V measuring method
A. Video error_No video/Normal audio
A2
Established
date
Revised
date
1. Measure DC 13V applying to inverter PCB from Power
Board.
2. Output 13V from Power Board -> supply to inverter PCB.
Check Pin contacting statement and connection statement.
1. Measure DC 24V applying to inverter PCB from Power
Board.
2. Output 24V from Power Board -> supply to inverter PCB.
Check Pin contacting statement and connection statement.
FHD/HD
UHD
Error symptom
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