Question about LG Televison & Video
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Posted on Jan 02, 2017
Have several problems with either a bad LVDS cable from Main unit to the LCD controll bd. Sometimes the cable is just not connected properly. If you reseat this cable and the problem still exists you most likely have a bad LCD control bd.
Posted on Feb 03, 2008
That's a relatively easy one - you have either upper or lower Y-Sustain buffer board gone bad.
if the last chip of the upper buffer has failed you may get what you get, even that this is a relatively rare type of failure.
The same would happen if the lower buffer is bad although this is again somewhat rare for a failure for those boards.
Either way you need a new buffer board and I'd start with the lower if I were you.
I assume nobody has messed up with the TV because another possible explanation would be the two buffer boards were disconnected from each other.
The best is they are neither too expensive nor hard to replace.
Hope this helps!
Oh, here's a link with something more about those boards although I am not sure it would apply to your particular case...use it as a good educational resource, but don;t expect to have the exact problem described there:
For more help please use www.coppelltvrepair.com/diagnose ..
Posted on Oct 01, 2012
Testimonial: "Thanks for that, I'll order both boards and just replace them in one hit, cheers - your a legend."
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