Question about RCA 20F512T 20" TV

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TV just turns off

Everytime you turn it on it will turn off. Sometimes after a few seconds other times after a few mins. It seems to be getting worse. Any suggestions. After checking the manuel I double checked all timers and they are all off. The TV is only a year 4mos old. Any suggestions

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Re: TV just turns off

Most common reason for this problem is dry joints, ie cold/bad solder joints.


Posted on Nov 16, 2007

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My television is a Samsung Slimfit tx-t2782 and I'm having problems with the tv staying on. Everytime I plug it in it comes on for a few seconds it shuts itself off. I was wondering if there is anything I...

I AM HAVING THE EXACT SAME PROBLEM WITH MINE ! But before mine turns off, it shows a blurry squiggly red mark on the screen then shuts off and wont turn back on sometimes for several hours.. And everytime I CAN get it back on, I have to unlpug the whole thing and plug it back in...

Nov 09, 2010 | Samsung SlimFit TX-S3082WH 30" TV

1 Answer

TV turns off by itself

Thus the line connected to a surge protector or some kind of line protector. This can be consider.

Or if this is a crt type tv. This could be a fault on high voltage section. Horizontal output transistor or flyback. But check also for loose connection/solder crack. That clicking sound may be the relay in action.

hope i give some correct input.

Apr 23, 2009 | Samsung PCL5415R TV

1 Answer

Zigzag lines in picture when first turning on the tv

possoble cold solder connections breaking when unit is cold they expand when hot thus making connection.

Oct 11, 2008 | JVC AV-27530 27" TV

1 Answer

My screen is green

Nothing that you can do. The green crt and/or driver board needs to be replaced. Let a repair man do this.

Sep 04, 2008 | RCA HD52W58 52" TV

2 Answers

Turning off

something is overloading the power supply or you have a cold solder joint some where on the circut board.
If you are a tec. look for over heated marks on the board.
hope this helps

May 12, 2008 | Philips 27PT5445 27" TV

1 Answer

Zenith 27inch B28A11Z keeps powering itself off

Hi Pswglaw,

From the way you describe the problem, it seems you have a high voltage leak. To check this, make the room dark and look into the back of the TV while turning it on. If you see something like lighting jumping around you have this high voltage problem. The TV will eventually destroy itself under this condition. I would suggest not using it until you get it repaired. The repair cost will be much lower if the TV is still working when you take it in. The high voltage leak will destroy more parts and cause the TV to stop working. Then it will blow a fuse.


Jan 23, 2008 | Zenith B27A11Z 27" TV

1 Answer

TV wont come/stay on

helene dear your tv need be checked for the inside there is problem in power supply need be fixed.and your will see it"for more help see expers near you.

Nov 02, 2007 | Philips Magnavox 27MS343S 27" TV

2 Answers

36" CRT Toshiba has that vertical issue mentioned on here a bit

Your problem is most likely caused by a cold solder joint in the vertical circuit. Normally this is easy to find and correct. The problem will only get worse over time, but not likely for more damage to occur.

Sep 17, 2006 | Toshiba 36A41 36" TV

1 Answer

Sony KV-32FV1

After so many years of use is possible that the unit developed loose conections in the horizontal driver transformer and some other places,I will suggest not to use it like that because it will blow up and the repair will be more expensive,call a qualified tech and get an estimate.Good luck

Aug 31, 2006 | Sony KV-32FV1 32" TV

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