Question about RCA 39" class LCD HDTV 39LB45RQ - ON Corp US, Inc

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Had tv on for a few hours and it turned off not to come back on

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Possibly fuse(open) or capacitors(bulging at top) in power supply, but could also be Power supply PCB or Main PCB

Posted on Nov 30, 2013

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Posted on Jan 02, 2017

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Turned the tv off few hours ago and came back and now it wont turn on - checked all connections - still no power - can not turn on from remote or on side of tv.


Check the power outlet source?Yes,tries tv unplug,replug tv back like about an hour later,by letting the tv resetting itself back to the factory setting.The tv now should be working again.Not than the tv have power supply board problems and causes.That the board,where the power a/c cord plug into it.Try website like Ebay.com to buy a refurbish power supply board for the replacement.

Feb 05, 2011 | Vizio P50HDTV20A 50 in. Plasma HDTV

1 Answer

When I turn the TV on, sometimes it stays on for hours on end. Other times it will only stay on for a half a second, or even a few seconds then blow out and turn off. It used to just blow out once in a...


the blinking light signifies to a repair technician with capacitors or circuits are having an issue they can diagnose the problem via the amount of blinks in between pauses however it will require a technician and some specific tools and schematics to fix and it may be cheaper if its no longer under warranty to purchase a new one


Hope this helped
Robb

Aug 24, 2010 | Vizio P50HDTV10A 50 in. Plasma HDTV

1 Answer

Picture goes off


A temporary solution is to unplug the TV for a few minutes, remove static from the glass with your hand. It is important to unplug rather than turn off. If you have a degauss button you can also press that before unplugging. Wait several minutes or an hour. Then plug it back in. If you have Picture in Picture it may be an issue with that and to permanently solve may need a repair person. The unplugging may get you by for a few days at a time. That's at least better than an hour.

Mar 13, 2009 | Fisher PC-32S90 TV

1 Answer

TV set keeps turning off and back on for about a half hour


i would keep it. you will have to replace a few components on the power board but, its not very expensive to do so.

Mar 11, 2009 | Televison & Video

1 Answer

Mitsubishi VS-45607


there is a protection circut that will shut down the tv when it detects a failure in one of the components , when components heat up to much they go into thermal breakdown, the part that is heating up and failing is getting worse , so it will need to be test to determine which one

Oct 09, 2008 | Mitsubishi VS-45607 45" Rear Projection...

1 Answer

Picture jumps after a few hours turned on


I have a 3 yr old 55 inch mitsubishi TV and when I turn it on the green light starts flashing and I must reset the TV about four times before it finally comes on has anyone had this problem if so what solution did you have?

Jul 25, 2008 | Mitsubishi WD-52525 52" Rear Projection...

2 Answers

Tv turns on then turns off with no picture


What make and model set do you have?

Feb 14, 2008 | Televison & Video

1 Answer

Sony triniton KV- XG29M30 WONT TURN ON


I had a similar problem a few years back . I purchased a new on/off switch from Sony and that seemed to fix things.

Alleluia

Jan 05, 2008 | Televison & Video

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