Question about Westinghouse Televison & Video
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Posted on Jan 02, 2017
SOURCE: HDTV 52 INCH RCA
It could be a failing tac switch or the micro. The only way to tell is signal trace the switch circuit with a 20mhz scope.. Need a shop for that if you don't have the equipment and it's not terribly expensive...
Footnote: either failure can and usually will get worse over time and may infect other function, vol,ch, power and so on... Find a reputable shop and take it in.. If you have any problem location one let me know..
Posted on Dec 11, 2007
Most of the time this is caused by one or more of the front panel buttons being bad. I would have all of them replaced.
Posted on Jul 16, 2009
The most commom causes are One. There ia a stuck button on the tv itself. The Menu button. The membrane switch or the TACT switch is bad and needs to be replaced. The Main bd can also be bad.
Posted on Jul 17, 2009
I had an LG 37" LCD that did this to me. Turned out to be bad solder joints on the side button board. Just reflowed and it starting working fine.
But now that I think about, I had another set do the same thing, only it wasn't the button board. I had to upgrade the TV's firmware via the USB service port. Just needed a USB flash drive and downloaded the firmware from the mfg's website. There were easy to follow instructions there too!
Posted on Dec 16, 2009
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