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

2 Answers

Shadowing All images have a blue shadow.

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  • Anonymous May 25, 2008

    Blue shadowing--Is is a problem I can fix?

  • neil84 Nov 30, 2008

    i have blue shadow just to the right of the actual pitcher

  • genieusa Dec 20, 2008

    Can anyone help please, I have blue shadowing just to the right of the picture, and seems like your looking at 3d film without the 3d glasses on, sounds strange, but thats actually the best description i can give.
    Thanks,
    Gene


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Have you tryed to adjust the on board convergence yet?? it sounds like the blue horizontal could have shifted. Put the aset in test mode and adj befopre taking set to servicer. Good luck.

Posted on May 09, 2006

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If still under warranty or if you have no electronic repair experience you should take the set back to the shop or to a repair person. Some of the solutions described below can be dangerous, TV's are very hazardous to service. Even when plugged out, TV's can store very high voltages. Looks like a picture tube problem. Try to reduce the contrast, maybe it will be better. Look into the three tubes while the TV is running, and observe the picture quality of the three. If the red and green are crisper and clearer, and the blue's all hazy from bacteria growing in the coolant, then the fluid needs to be replaced. The CRTs of the colors that seem hazy need to be removed from the light box to be serviced. The coolant needs to be drained, the CRT assemblies disassembled and totally scrubbed clean and refilled, then reinstalled and converged. If the coolant is clear, it can be a weak CRT. Also the convergence STK ships might need to be replaced, and the soldering checked. Good luck

Posted on May 09, 2006

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Ur tv have convergence problems,it dead.Require 2 STK convergence ICS and some or all it resistors replaced on the convergence board.The shop will cost u $300-350 for parts and labors.

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CAYPIANAN@YAHOO.COM

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1 Answer

Blue Shadowing


Yes it sounds like convergence ic's
Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com
http://www.hdtvoice.com/voice/index.php?s=
good luck
please mark the post with a fixya


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