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My TV turns itself off after 5 seconds No audio The sound of picture tube starting is not there

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  • Televison & ... Master
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Could be power supply failure

Posted on Apr 22, 2014

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Posted on Jan 02, 2017

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SOURCE: TV has green sceen and turns off by itself

dont do nothing with that tv go and buy a new one and thats all...good luck

Posted on Aug 07, 2006

techman
  • 3130 Answers

SOURCE: TV turns itself off after a few seconds, no picture at all

Sounds like the typical Flyback and shorted horizontal output transistor. Problem is the transformer is NO Longer Available

Posted on Sep 14, 2006

Valiis
  • 72 Answers

SOURCE: jvc 24" widescreen tv problem turning on

The tube is not blown or the Tv would not turn on at all. I would say its probably a bad cable or the board that the cables connect to the back of the Tv with is either loose or bad. Try replacing the cables first, then try holding the cables very snuggly in place and seeing if that gives a solid signal for more than 15 seconds. If that doesn't do it, you probably have a bad input card. You would need to have the TV serviced or get a new TV

Posted on Aug 26, 2007

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RCA D52W20 - turns on and off, blue screen, tech said need picture tube


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Error Code 5 flashes when unit shuts down


Good Day;
It sounds like the TV may have a shorted CRT, picture tube, but let's trouble shoot:
1. Unplug TV from wall.
2. Remove speaker grill, two on bottom, the screws are covered with plastic caps, right and left side on bottom next to floor.
3. Remove inner panel.
4. The blue tube is the one the right side, remove socket, with phillips driver, make sure it's not touching anything.
5. Plug and turn TV back on, if picture appears with no blue it's the tube.
6. If still shuts down, bad blue CRT driver IC.
CAUTION: Call a factory authorized service dealer to give you an estimate, if this sounds too hard.
Good Luck, Day, Big Irish.

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1 Answer

TV turns itself off after a few seconds, no picture at all


I had a similar problem with my Phillips 42 in. LCD HD TV.

Here's the problem. The Power Supply Board. I opened my TV up(warranty was up of course) and found several bad capacitors. Phillips and several other companies were sold capacitors that although were highly rated failed within 5 years because of a lack of preservatives. All sorts of electronic equipment is now being effected due to these defective capacitors.
Solutions?
1. Take it in and have it fixed
2. Open it up, check the board for faulty capacitors(bulged or leaking) Buy a new Power supply board and install it.
3. Remove PSB, remove faulty capacitors and replace with compatible new ones.

Hope this helps

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RCA 27" TV F25432


You apparently have a high voltage arc. Possibly the anode lead to your picture tube. Also the flyback transformer could be arcing. If you're not experience with tv repair, you need to have a tech check it for you. The circuits operate at very high voltage and if you get into it you can get a possibly fatal electrical shock. Be careful !!! Stargazer

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1 Answer

TV turns itself off after a few seconds, no picture at all


Sounds like the typical Flyback and shorted horizontal output transistor. Problem is the transformer is NO Longer Available

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3 Answers

TV has green sceen and turns off by itself


you have the famous zenith shorted picture tube

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