LG 42LS5700 TROUBLESHOOTING CHARTS - - EDGE LED LCD TV

LG 42LS5700 TROUBLESHOOTING CHARTS -  - EDGE LED LCD TV

TROUBLESHOOT
VIDEO ERROR - NO VIDEO_AUDIO NORMAL

First of all, check whether all of cables between boards are inserted properly or not.  (Main B/D < > Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable).

NO VIDEO_NO AUDIO

CLICK ON THE CHARTS TO MAGNIFY 

PICTURE BROKEN / FREEZING 

TUNING FAIL_BROKEN / FREEZING PICTURE

COLOR ERROR

Vertical / Horizontal bar, residual image, light spot, external device color error.

NO POWER