Read LG 55LW570G-ZD / 55LW570S-ZD / 55LW573S-ZG / 55LW575S-ZC / 55LW579S-ZD (CHASSIS:LD12C) Service Manual online
Normal
voltage?
Check various
voltages of Power
Board ( 3.5V,12V,20V
or 24V…)
voltages of Power
Board ( 3.5V,12V,20V
or 24V…)
No Video/
No audio
No audio
Check and
replace
MAIN B/D
replace
MAIN B/D
Y
Replace Power
Board and repair
parts
Board and repair
parts
N
End
Standard Repair Process
A. Video error
No video/ No audio
☞A4
Established
date
Revised date
2/14
LCD TV
Error
symptom
2
2010. 12 .14
Click on the first or last page to see other 55LW570G-ZD / 55LW570S-ZD / 55LW573S-ZG / 55LW575S-ZC / 55LW579S-ZD (CHASSIS:LD12C) service manuals if exist.