Question about Akai PT5492S 54" Rear Projection Television

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Re: AKAI PT5492S

Replace convergence IC's and locate & replace open fuse

device (probably a pico fuse soldered in underneath IC heatsink).

re-align convergence.

Posted on Oct 12, 2007

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Blue and red not aligned on the color

This is a common problem. Its called a convergence failure.

Problem #1) Convergence


  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted

You can see some examples and find a fix here...

Dec 03, 2009 | Akai PT5492S 54" Rear Projection...

1 Answer

What is the oem lamp # for an akai model#pt5492s and where is the best place to purchase one?

Only DLP TVs have a lamp ,projection has 3 tubes red/green/blue. Call Encompass for power supply board, Akai is the same as Samsung.

Sep 26, 2009 | Akai PT5492S 54" Rear Projection...

1 Answer

Red/Orange horizontal lines

it could be that the tv convergence circuit is going bad. One shure way of finding out is to go to the tv feature menu(picture,audio etc.) and select the customer convergence setting, you should get a cross hair pattern(cross in middle of screen). that cross should be white and by aligning the red or blue colors they should move left, right, up or down

Jul 27, 2009 | Akai PT5492S 54" Rear Projection...

2 Answers

Fungus in blue crt Akai rear projection

I don't have a pdf file for fungus in an akai, but you will need to remove the 2 tubes from the set, take off the cover for the reservoir and dump out the fluids and then fill them back up. you will then need to know how to do the convergence alignment after you put the tubes back in. This is a involved process, if you want to tackle this on your own let me know and we will see what we can do.

Tim Nolan

Sep 21, 2008 | Akai PT5492S 54" Rear Projection...

1 Answer

Red and green wavy lines

If the distortion that you see can be described as somewhat of a 3-D picture, the problem is teh convergence circuit and this can be fixed easily. Also, if you can solder, you can fix this yourself. If you wish to do this, please update this and I'll provide you with some instructions.


Sep 12, 2008 | Akai PT5492S 54" Rear Projection...

1 Answer

I have a red and blue shadow in my picture

i think you need a new convergence board they rin from about 88.00 to about 140.00

Sep 08, 2008 | Akai PT5598HD 55" Rear Projection...

1 Answer

Akai PT5492S 54" Rear Projection TV

Your set needs to have both Convergence ICs replaced they are Both STK392-010 you can get new ICs at the following link and they provide free step by step instructions with pics so you can do the job yourself which takes about 45 minutes. Heres the link.

May 10, 2008 | Akai PT5492S 54" Rear Projection...

2 Answers

TV problem

If you cannot converge the red and blue back to the green through the convergence menu, Then you have worn out convergence ICs you will need 2 of them at about 10.00 each. Takes about an hour to remove the old and replace with new ones, but also check the resistors right next to the ICs usually 1 or 2 of these burn out with the ICs. Let me know if you need more information.

Feb 03, 2008 | Akai PT5492S 54" Rear Projection...

1 Answer

Akai rear projection has 3 colors blue green yellow.

Problem as described is a repair = replace both STK392-040
convergence IC's....I use Panasonic brand = no recalls...
Do not use generics,,,,,,,,,,,,,T.

Nov 26, 2007 | Akai PT5492S 54" Rear Projection...

2 Answers

Colors red and green overlap

Covergence is off... Check convergence and see which color will not move in the convergence settings... That is the STK that needs to be changed out...

May 24, 2007 | Akai PT5492S 54" Rear Projection...

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