"I have a LG 42PB4D the TV is on have good sound but no picture. Any tips
The Y sustain board has gone out, this is a common problem.
Easy fix just buy new board swap it and send back for credit.
Have repaired this myself great place to get parts is http://www.tvpartsguy.com/servlet/StoreFront
Most major manufacturers supply manuals
and software updates online so if you were to log on to the manufacturer's web site, you
may be pleasantly surprised as usually, if available, one is able to
download, by model number, Customer
Instruction Manuals, Dealer
Network for spare part supplies and updates as
required.
The information is normally free of
charge.
I hope this helps.
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