LG 32LF550B - No Video and No Audio Issues

Check various
voltages of Power
Board ( 3.5V,12V, 24V)
No Video/
No audio
Check and
replace
MAIN B/D
Replace Power
Board and repair
parts
Standard Repair Process
A. Video error
No video/ No audio
☞A4
Established
date
Revised date
2/14
End
Normal
Voltage
Y
N
Error symptom
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