Read LG 55GA7900-UA (CHASSIS:LA37G) Service Manual online
Standard Repair Process Detail Technical Manual
LCD TV connection diagram (1)
A. Video error _Vertical/Horizontal bar,
residual image, light spot
As the part connecting to the external input, check the
screen condition by signal
screen condition by signal
A9
Established
date
Revised
date
Error
symptom
Content
LCD TV
A9
<ALL MODELS>
2011. 12 .14
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