Our TV was working fine then shut off. We turned it back on and we do not receive a picture, only a high pitch sound when we plug it in. We cannot turn the sound down with the remote. We have to unplug the TV if we don't want to hear it. We're not sure if it would be worth it to get the TV repaired or just buy a new one. Any ideas?
Hot-replace and solder all leads to smt transformer.set should power up.also flyback may have shorted.rca has a repair kit for this set. all necessary parts.
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A high pitch sound can be a capacitor losing power it would sound a bit like a fire work. most have back up on the board but it put more pressure on them the more times you use the tv. would check them and replace. all of them can be 5 in a row in some models.
Does the set make any sounds. DOes the front green led light or flash when you try to turn it on.. if not then it could be as simple as a fuse, if it does flash then it can be many problems
the most likly cause of this type of symptome is a shorted horizontal o/p transistor. typicall the part is 10 to 40 cdn. labour will depend on your local service shop rates. it takes abot 30min to 1h. to chane typically (if no problems are run into.).
good luck.
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