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

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rikard Posted on Nov 25, 2013
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Had tv on for a few hours and it turned off not to come back on

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gemagm

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  • RCA Master 689 Answers
  • Posted on Nov 30, 2013
gemagm
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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

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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.
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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
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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.
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Alleluia
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