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My tv switched itself off unexpectedly while playing fine - now the light is not but unable to swtich back on.

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Its due to the heat sink metal peice is getteing short with t.v tube charces , so due to this your t.v is getting switched off....

Posted on Jul 05, 2008

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TV was working fine. Plays DVD's fine. Can't find HDMI from the cable, hence to TV reception. TV set works fine however on DVD's so it is not the set itself. Can't find the HDMI 1 hook up only the HDMI...


Tries tv and cable or satalite boxes unplug,replug it back for like about an hour later.By letting tv resetting itself back to the factory setting and those pay boxes upgrading it softwares.The tv HDMI signal for the tv incomming broadcasting signal should be back,if not, tv might have a dead HDMI cable or that the HDMI 1 hub it plug in is shorted and dead.

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Our large screen tv ( 2 years old and over 1000pounds from Dixons, UK) went blank. We switched it off immediately. On swtiching back on we heard a "pop" follwoed by the screen filling with dark...


Good Day, cjm364;
It sounds like the TV's panel has failed. A 2 year old TV should not fail in this manner. Call the manufacture and express your concerns to them very strongly and 90% of the time they will give a concession.
Good Luck, Big Irish, Let me know.

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Our RCA high-def 52 inch TV is shutting off on


It has you Posted as a projection TV and Not DLP, if Fan to Lamp stops running set will shut off to protect Lamp,I had a DLP that would play sometimes 30 mins then shut off drove me crazy trying to firgure it out and it turn out to be Fan would stop running I replaced Fan TV working fine . When you remove back engage toggler switch to up position put a piece of tape on it to hold it is a safty switch ,then turn tv on watch to see if all fans are running also if when tv trys to come on is there a spark coming from Ballast Board if so your new Lamp is defective it does happen if not your ballast board maybe Bad it is what turns on Lamp.If all fans are running Ballast Board.

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1 Answer

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This TV probably needs the convergence amp IC's replaced. When they go bad the TV will not turn on.Call a good TV Tech and tell him you want the IC's upgraded to STK 392-150 instead of the original STK 392-120 and check all resistors in the circuit for proper value. They could be burned or open.

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try switching to a different video source and play a DVD or a game system. If the issue is still there try unplugging the TV for 5 min. and then plug it back in.If the problem works fine on all other devices except the video source that has the issue try hooking up the same device your having the issue with to a video source you know works if that works then you have a bad video source on the back of the TV, if it does not work it's either the cable going to the TV or the device itself.

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My new LG LCD TV (3 days old!) suddenly started playing up, last night. I was initially using the receiver unit (with built-in DVD) to play a disc of MPG files, which it did successfully. Then, I tried to...


Good thing the tv is under warranty, theres no magical fix for a problem like this. I would either return it to the store or call for service. If you atempt to do to much to fix it you might voide the warranty, and you should have to do anything to fix it as you said its 3 days old.

Tim Nolan

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1 Answer

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