Question about Televison & Video
In the first placce buying a used LCD is not a good buy unless you have got additional warranty on the set since the change in the technology and spares are at a faster pace which might not give you value ffor money in case of a failure.
But not to worry I have few suggestions which you can look into only if you are familiar with electronics.
Check the main board after removing the rear panel for DRY SOLDERING which happens in most sets in a perriod of time due to constant heating and cooling of the solder joints. These joints are a major trouble and as you mentioned tapping brought back to life some complaints this is an area of doubt.
SO using a good soldering iron and ONLY if experienced attempt to solder the sections suspected of dry joints in the main board.please take care not to bridge connections to end up with a tampered set.
Look into the sections of the convergence IC, the powerr panel and drive panel, solder and correct.Since the set worked fine this can be the only reason.
Posted on Aug 30, 2010
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Posted on Jan 02, 2017
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