Question about Akai PT4298HD Rear Projection Television

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Double- Vision My picture looks like double-vision and the screen colors are pink and green?

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  • prismporsche Mar 11, 2008

    hey i got the same problem ....my tv screen is showing pink and green colors only...plz help i donno wat to do and i am not a tv person :(

    this tv is my dads and i will really appreciate the help

    thnx alot.

  • daddydan2007 Apr 06, 2008

    double vision picture og green and pink

  • prismporsche May 11, 2010

    hey i didint really get what u typed there and umm can you plz tell me in like an understandble way so i can understand...i know its not ur fault ...its mine lol ...cuz i am not a tv person ...

    thnx

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More than likely your akai has defective stk392-040 Convergence chips . it also may have open resistors generally 3.9 ohm flame proff. this board is attached to the top left looking from the back of the set it is screwed on by 1 screw black in the center . after installation this will probably half to be converged dinamically. which means you will half to get to the grid this is done by using the remote press mute 183 quicly to enter numbers on thew remote 2 to adjust red 4 to adjust blue horizonta 6 to adjustred vertical and 8 to adjust red vertical using center button to go up and down

Posted on Feb 28, 2008

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My mitshibitchi 1080hd has double vision with green and pink working perfect then all of a sudden


Tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadow pictures or 3D pictures look alike?Yes,the tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts must be replaced on the tv convergence board to fix the tv convergence picture problems.The shop,will cost like $300-350 for parts and labors.

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The picture looks like "double vision" and colors of green and pink are around everything...


Bad STKs, Probably STK 392-120, upgrade to STK 392-150 thru 180 depending on what you can afford, from what I have read it's better to go with the higher number. Just search for the stk or tv model number and convergence and you'll find all sorts of guides on how to do the repair. You'll need a soldering iron

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Red color outline and double vision


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV2_bing.gif may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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1 Answer

Picture has ''double vision'' with red.


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

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Screen may look distorted
  • TV shutdown - does not display video
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

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

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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1 Answer

3D like view on my screen


you ned to replace both convergence ICs they are STK392-570 you can get replacement ICs at the following link with free installation instructions.
http://servicemanuals.vstore.ca/

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Seeing Double


What do the menu looks like?

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Phillips 60" projection TV Double vision


This is a convergence problem and is either bad connections at the convergence ICs or defective ICs. If you can solder, you can repair this yourself. Let me know if you wish to repair this and I can provide you with additional details.

Dan

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Double Vision


The convergence ICs need to be replaced both of them at the same time they are STK392-040 you can get replacment ICs at the following link and they provide free instalation instructions with pictures so you can do the repair yourself.
Heres the link.
http://servicemanuals.vstore.ca/

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1 Answer

Green and pink double vision on my tv


This is a convergence problem. Try resoldering the pins on the convergence ICs. These are large black ICs attached to a heatsink. They should have about 15 pins and be marked STKxxx. If the resoldering does not resolve the problem, replace the ICs. These should cost about $15-$25 each.
Dan

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