Question about Akai PTH5498 54" Rear Projection HDTV-Ready Television

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Convergence board I can't get anybody to come out to look at my Akai PTH5498. I think I need a convergence board as it the screen is black at the top and the bottom and it has red and green lines outlining my words and numbers. I live in the country, Oklahoma. I've called Tulsa, Claremore, Muskogee, and I can't get any help from the repair shops.

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MICHAEL WALLACE
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Hello. well i see you need help.? ok . then let's start with the first thing the black at the top & the bottom. .!!! that most likly a ajustment that i can walk you through. !!! with live chat,!!! the other problem's we will deal with as we go working togther on your set .!!! on line chat .!!! so you have to ask for me and a on line chat. !!! and we will go from there .ok i will be waiting for your responce ok "GOOD LUCK"

Posted on Jul 31, 2008

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Posted on Jan 02, 2017

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1 Answer

Red and blue pic adjustments areso out of adjustment how can i get them back
Convergence board is dead.Go to Tv repair World.com buy a new convergence board replaced the board will solved ur problems.Samsung/Akai use same convergence board.

Jan 22, 2010 | Akai PTH5498 54" Rear Projection...

1 Answer

Akai PTH5498
thats board i beleieve iff the unit has fuses on the amp board i beleive they are fb102b and fb101b fusables are you going to replace these.. more than likely if u still have partical convergence it may be a amp or a resistor not the fuse.. have you gone into convergence mode? does the read crosshairs move?

Dec 13, 2007 | Akai PTH5498 54" Rear Projection...

1 Answer

Akai pth5498
the part number for the convergence board is aa95-00705a and you can order it at www.vancebaldwin.com. send me your email addy to fixa@markservicepro.com and i will send you a wiring diagram....

Nov 02, 2007 | Akai PTH5498 54" Rear Projection...

2 Answers

Convergence board is bad
This is a common problem. Its called a convergence failure.

Problem #1) Convergence

Symptoms:

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

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

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Dec 28, 2009 | Akai PTH5498 54" Rear Projection...

1 Answer

Akai (PTH5498) 54" rear projection TV with red and green ghosting and large curve in the picture at the top and bottom of the screen. Unable to fix using manual convergence. Thinking it must be the...
Hello:

Yes is is your convergence IC's. One has gone bad, but consider replacing both of them because if one has gone bad then the other is not far behind. They are located on the middle board of your set. They are mounted on a large heatsink, the part # should be STK-392-040. Replace these and your set will work fine again.

Nov 15, 2009 | Akai PTH5498 54" Rear Projection...

1 Answer

I have red and green shadow on top and bottom of the screen.
Ur Convergence board is dead or deffective with the IC chip.

Aug 17, 2009 | Akai PTH5498 54" Rear Projection...

1 Answer

Convergence adjustment
HELLO . it sound like you need to replace the convergence board or just the IC'S ON THE BOARD. IT WOULD BE CHEPER THAN THE HOLE BOARD. "GOOD LUCK"

Jul 27, 2008 | Akai PTH5498 54" Rear Projection...

1 Answer

Black line at the top of tv
MUTE 1 8 2
or
MUTE 1 8 3

Look for vertical adjustment
Be careful, no factory reset if you screw up
Write down old value before adjusting

Dec 20, 2007 | Akai PTH5498 54" Rear Projection...

1 Answer

PTH5498 54 in. Rear
convergence amps possible have been blown. also check fuses and resistors on that board. it more that likely blown if fuse go. As a tech that happens to me all the time

Dec 02, 2007 | Akai PTH5498 54" Rear Projection...

1 Answer

Akai pth5498
contact www.dalbani.com orwww. repairworld.com they might be able to help you.good luck.

Apr 13, 2007 | Akai PTH5498 54" Rear Projection...

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