Question about Akai PT4298HD Rear Projection Television

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AKAI PT4298HD - Does not turn on

It has a red blinking timer light.

Picture was perfect before this so not sure its a convergence issue.

Internet research suggests a power supply board. what exactly is that, where do I get one, how can I be sure thats the issue?

Thanks,

Michael

Posted by on

  • Merkt Jan 30, 2008

    My set failed the same way.It worked just fine,then one night,my nine year old,turned it on.He said it made a hiss like noise,like normal,the screen flashed a second,then he heard a pop.Now all you get is a red flashing light,that responds to the remote.A very unprofesional repairman charged me $100 to tell me it needs a $360+ power supply.I don't wan't to give this guy more money.I am mechanically inclined and am willing to try this

  • MikeDrz Mar 14, 2008

    thanks for the tip.. i unplugged that module and sure enough it fired up as you said it would.

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Mine had the same symptoms. It was the convergence board. I replaced it and all is fine. the part number is BP95-00142E and is available from vancebaldwin.com. It's simple to replace...

you can check this before you buy the part. take off the lower back of the tv. Convergence board is on the right in about the middle of the tv - top of the lower part of the back. comes off with one screw. you can unplug the power (mine was a red plug), then plug the TV back in and it should come on. If it does, picture will be bad, (it can't converge the tubes, obviously), but you should see the picture.

good luck

Posted on Mar 13, 2008

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Posted on Jan 02, 2017

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2 Answers

AKAI rear projection TV won't turn on


possiblity convergence needed...
main power board malfunctioning
contact akai service center

Apr 26, 2010 | Akai PT4298HD Rear Projection Television

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Red light blinks no picture or sound


took the board to friend who works on TV's.he tested the board and replaced the 2 black IC's #STK 392-040 .I re-installed the board and TV so far is working fine. hope this helps !

Jun 18, 2009 | Akai PT4298HD Rear Projection Television

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Only the red light comes on


Whats up Wade?

This is DVD MIKE with Perfectimagess.Try this first .Unplug the TV for a while and press the On/Off button which is supposed to perform a "reset".After that, plug the TV back in. It should come on and the Timer light off. The picture and colors might be distorted, but pressing the Perfect Focus button on the remote control resolves this right away.

The problems is a black picture or the TV won't turn on. The Timer light stays lit even though no Timer has ever been set. The colors converge and the picture is pinched. I don't think all of the expensive repairs are necessary, My TV did go out after a week of non-use while out of town (I was out of town, not the TV). I don't know. I'll post more if I learn more. I hope this helps Wade,

Vacuum the dust off of the circuit boards and inside the cavity. TAKE CLOSE UP PICTURES OF THE CONNECTORS BEFORE DISCONNECTING FROM THE CIRCUIT BOARDS. (IF YOU HAVE TO.) TAKE OUT CIRCUIT BOARD MOUNTING SCREWS. AND REMOVE THE BOARDS.

VACUUM THE DUST. LOOK- SMELL AND CLEAN THE GROUNDS, AND CAREFULLY CLEAN THE BOARDS. ASSEMBLE. DOUBLE CHECK CONNECTIONS WITH PHOTOS,
AND PLUG IN, TURN ON AND HOPEFULLY ITS ALL GOOD.

WADE WORK WITH ONE HAND AS MUCH AS POSSIBLE SON!!

DVD MIKE

May 14, 2009 | Akai PT4298HD Rear Projection Television

1 Answer

Akai PT4298HD projection tv


convergence must be adj then saved then magic focus
if cannot be adj chips need to be replaced.

Sep 21, 2008 | Akai PT4298HD Rear Projection Television

1 Answer

Akai PT4298HD problemo


I'm not a repair guy, just happen to have one of these TV's. Seems to me that unplugging the Convergence Board removes it from the equation and suggests something else might be the problem. I got most of my help from here and also from this thread:

http://www.tv-forums.com/forum/TV_Equipment_C4/Projection_TV_Forum_F24/Samsung_42_Convergence_problem_P4569/

The samsung TV is the same TV as this Akai, it's just a rebadged Samsung.

One important difference in my TV from yours. I did have a timer light, and with the back off, I could hear it power up when I plugged it in and turned it on. The timer light would flash then it would go off.

When I removed the convergence board, I could clearly see burn marks on the bottom of the board where one of the amps was soldered on. That gave me some piece of mind in ordering the part. I just scanned that other thread but remember some people talking about the power supply failing as well as the main board, you might pursue those avenues.

I wish you luck in fixing this!

Mar 15, 2008 | Akai PT4298HD Rear Projection Television

1 Answer

RED TIMER LIGHT BLINKS AND WILL NOT POWER UP HELP


Open back of TV, there will be two STK's (black boxes) unplug the harness connector from the power supply into the stk board and turn on. If you get some light to the screen, you know now to replace the two STK's and then replug the power supply to the convergence board. If that does not work, the power supply may also be bad.

Feb 11, 2008 | Akai PT4298HD Rear Projection Television

1 Answer

Pt4298hd


i will be more than happy to assist you. first is the red light blinking a code at all. if it is the convergence ic you can purchase these at any electronic component dealer.

Nov 04, 2007 | Akai PT4298HD Rear Projection Television

1 Answer

Akai


yep you need convergence amp replacment for your set..very common prob call experienced repair person for this job use original replacements....john

Jul 31, 2007 | Akai PT4298HD Rear Projection Television

1 Answer

Akai tv


have a good tv guy repace you convergence amp's john

Jul 31, 2007 | Akai PT4298HD Rear Projection Television

1 Answer

Hourglass shaped red


I need to see a picture of the TV set. send a photo to [email protected]

Jun 05, 2007 | Akai PT4298HD Rear Projection Television

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