Question about Toshiba 27AF53 27" TV

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TV Toshiba 27af53 shuts down after a few minutes.

Found some cold joins, and a bad capacitor.. no fix.
Any ideas??

Thanks

Racso

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  • 291 Answers

Please give more detail

Posted on Jun 03, 2009

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tThe diagnostic circuits is shutting your TV down. In most cases the set will shut it down immediately. Apparently your set hasn't shut completely down yet. When you turn your TV on the diagnostic circuits send a low voltage, low frequency signal through all the circuits and depending on how they come back whether the sets powers up to full power. If a problem is detected it will shut down to protect the other circuits. It sounds like you might have some capacitors going bad on your power board. A capacitor that is going bad would let it come on for a few seconds then the diagnostic circuits would see the capacitor getting further out of tolerance and shut the set down. If you are a DYS type person you might want to lay it flat of it;s face and remove the back. A bad capacitor will be bulged out on the top. are Replace capacitors with the exact uf value and if you can go above the rated voltage but never below., If this isn't the problem then it is probably the main board (the board where your cable hooks up to), There are other things that cab causes for this but I would check the capacitors first.
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Screen goes black on toshiba tv how to fix


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The TV will shut off after a few minutes and then cannot be turned back on until you unplug and replug it. Then it will shut off again after a few minutes. How can I fix that? How much would a repair...


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radadtoo,
My wd 62525 was acting the same way. Then after a couple days, started flickering and scrambling the picture. I found neals solution # 2 at this link and replaced a few capacitors and 4 hours later, its all fixed!

Here is the link, scroll down to solution # 2 to get an idea of what the caps and boards look like.

http://www.fixya.com/support/t155026-flickering_blue_picture#SameProblemContinued

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Screen freezes and then shuts off. This cycles every 1-2 minutes


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.
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Hope this helps

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The TV shuts off on it's own. Some times it runs several hours before shutting off and sometimes just a few minutes. Thanks


There is a good chance your TV has a bad capacitor or several bad capacitors. Check into getting a new Power Supply Board.

May 03, 2010 | Mitsubishi WD57831 Television

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There are about 10-15 small lines on the top of the screen that go horizontally all the way across. These lines distort the picture up there and it is very distracting...any ideas?


The problem is in the vertical section of the TV. Usually one of the electrolytic caps has gone bad. Easy job if youre experienced with board level component replacement.
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Nov 23, 2009 | Toshiba 27AF53 27" TV

1 Answer

Unit shuts down after 25 minutes


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

Jun 30, 2009 | Samsung LN32A550 32 in. LCD TV

1 Answer

Picture & sound shuts off


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

Oct 06, 2008 | RCA L32WD14 32 in. LCD Television

2 Answers

Philips 27RF70S125


your problem is intermittent in the pwer or related circuits have a tech check your tv good luck

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