Same thing: tv self powered on, channels and volume went randomly up
and down. The problem was due to bad contacts in front buttons (not the
infrared controler) and solved by simply shaking and releasing the
pression on the front buttons. Thanks to joshv
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This TV actually has bad buttons I've seen many of them, usually those switches never go bad but on this tv they do. The easiest thing to do is remove them, and use the remote, who uses those buttons anyway. You can slide out the circuit board and you will see the small switches in front if you can solder just remove remove them if not you can cut them out just be careful none of the pins remaining in the board are touching one another.
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Sounds like some loose contact with any of the connectors inside. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Firmware corrupted. Re-install it with the latest one. Contact any service technician. If you wish to get some details, check the site linked here. Surf the site in "MOSAIC" view. It will make surf easy. Surf the site with patience. http://electronicshelponline.blogspot.com/