Question about Akai PT4799HD Rear Projection Television

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WHY DOES MY TV TURN OFF BY ITSELF AND WON'T TURN ON FOR AWHILE?

MY TV TURNS OFF BY ITSELF AND WON'T TURN ON FOR AWHILE?

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  • Akai Master
  • 5,138 Answers

There is 2 reasons for this poor solder on power AC board and a capacitor going bad. cap when failing will puff up on top.

Posted on Dec 22, 2008

4 Suggested Answers

  • 668 Answers

SOURCE: tv won turn on

This could be caused by a bad HV block. I would not take on replacing unless you know your way around HV circuits on Projection TV's. I would call a repair facility to give you a estimate to repair.

Posted on Jun 22, 2009

  • 80 Answers

SOURCE: My tv turns itself off while watching it after awhile

if it turns off and the timer light starts blinking you have a bad dm module, very expensive, it the light doesn't flash you have either bad front switches or something on the signal board, you can remove the speaker grill and disconnect both plugs and use your remote, this will disconnect the switches. if it still shuts off, you need baord repair, may be a bad solder connections, may be a chip/board needing replaced, you need a repairman and alot of money at that point.

Posted on Sep 15, 2009

  • 125 Answers

SOURCE: why does my tv turn off by itself

Bad capacitors on Deflection board cp114 cp120 cp150, they will be swollen.vented or puffed up on top
220uf 35v and 2200uf 16v use 25v

Posted on Apr 12, 2010

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Our tv won't turn on light blinks a couple minuate and then turns read again and lamp light flashes red


A possible bad lamp if not replaced recently or removed and at least examined. What is model number and what have you tried so far?

Apr 19, 2012 | Sony Televison & Video

1 Answer

Why does my tv turn off by itself


Bad capacitors on Deflection board cp114 cp120 cp150, they will be swollen.vented or puffed up on top
220uf 35v and 2200uf 16v use 25v

Apr 05, 2010 | RCA HD52W59 HDTV Projection Television

1 Answer

The tv shuts off by itself. I will turn it on..and after awhile, it just turns off by itself, and then after about a minute I can turn it on again and watch tv for awhile, and then it will do it again.


It seems that your unit has some sort of PSU fault, or a problem that is shutting down the Power Supply Unit, PSU. This happens so that no further damage, and possible fire will occur. The faulty component(s) are heating up, tripping the fault control, and shutting down, it cools down again,and will restart, then the process repeats, it will eventually fail fully.
You need to take the unit to a reputable service centre/man and ask for a firm "Quote" for the work to be done. It is that sound that gives it away, this is a typical switchmode Power Supply problem.

Mar 04, 2010 | Televison & Video

1 Answer

Tv won turn on


This could be caused by a bad HV block. I would not take on replacing unless you know your way around HV circuits on Projection TV's. I would call a repair facility to give you a estimate to repair.

Jun 22, 2009 | RCA P52926 52" Rear Projection Television

1 Answer

SCREEM TURN BLUE


The lamps inside of it are weakening, much like a fluorescent light burns out slowly...so get it into a reapir shop OR better yet, Call for an ESTIMATE or replace the whole thing.

May 23, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

RCAD52W19BYX1 model #


1 can you clear that you see white lines along with green light? 2is your set is totally dead?

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