Question about Toshiba 50H72 50" Rear Projection Television

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Toshiba p503sgf convergence reprogramming

I have a toshiba p503sgf rear projection arcade machine with a convergence problem. i have replaced the chips but the colours still are not converging (it looks like 3D without the glasses) i have been told it needs reprogramming but have not been told how to do so. can you help??

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  • lynnbux Sep 23, 2008

    i have a modrl no 50 h13 and wwhen i first plug it in it looks 3d then its fixes itself with perfect picture for about 5 minutes then switches back to 3d and stays that way

  • Anonymous Sep 26, 2008
  • lsoward May 03, 2009

    convergence reprogramming? My p503sgf screen is cracked so i also need some info on where to get a replacement sreen.

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Si yo te puedo ayudar si todavia te interesa dimelo en larryalicate@hotmail.com

Posted on May 27, 2008

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  • 5 Answers

Sell me the boards. Ill give $50 in present condition.

Posted on Aug 05, 2008

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1 Answer

My Toshiba 53H71 rear projection TV's picture looks like double vision with a heavy tint outline how can I fix this???


Hi,
Double vision/ picture problem occurs due to failure of convergence output ICs in rear projection tv and it is common problem of projection tvs.
Please replace convergence output ICs in tv to solve the issue, there is convergence repair kit available for $70 on This Site that has required parts/ ICs, instructions about how to replace ICs etc for a handy person.
Hope these info will help.
Thanks.

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sounds like to me that you need to replace the convergence IC's.

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Coarse adjustment is done by adjusting the convergence coil on the neck of the tube, also the skew is adjusted there. The user menu should have a convergence adjustment option.

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This sounds like convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

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If the convergence on one or more color does not align using the convergence setup procedure, that means that one or more convergence ICs must be replaced, that is the reason why you get bad picture.

That means that the convergence ICs are bad and must be replaced, the job is about $200/$300.

Here there is an example of the repair needed: Fixing Convergence problems in RPTV's

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most possible cause is failed convergence ICs. Unplug the three wires for the convergence yokes then try powering up the set if it powers up the Convergence Ics need replacement

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You have a convergence problem. Need to replace convergence IC's.

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