Pioneer SD-P50A5-K 50" Rear Projection Television Logo
Posted on Aug 28, 2007
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Right side convergence

Hi! I have a Pioneer sd-p4553. Picture has always been great. Few problems I have fixed my self such as loose resistors, etc. Annually clean guns and mirror and remove dust from boards. Have just noticed that the blue convergence on the far rightside is off (about 2 inches of screen) only noticeable on white type. Convergence line up is OK except for a little tail on the blue only on right side. IC's need to be replaced? If so, part#'s. thanks for your time. jgs

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  • Posted on Sep 24, 2007
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More likely an alignment issue.Ic replacement alone may not complete the repair.

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  • Posted on Aug 29, 2007
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A convergence IC has burned out. If I remember correctly, those Pioneer sets have one huge convergence IC, but that IC only has 5 channels in it so they use another smaller dual STK IC and one half of it is used for the 6th channel and the other half is the vertical output. Look on the convergence board, find the blue convergence jack, identify the blue horizontal channel, follow the traces and replace the IC handling the blue horizontal channel.

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July 27, 2012 Picture appears like I am using 3 D glasses, with red Does anyone know my problem. Good set no issues until now. Dave B.

try to adjust in the set up menu color convergence adjustment. if can get with the adjustment then you may have bad convergence IC or resistor in the convergence circuit.
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It has color at the bottom of the screen almost halfway up. I need to know how much to fix.

Tv have colors lines R,G,B mis alignments,have colors shadows or 3D pictures?Yes?Mean ur tv have a dead convergence board to causes this problems known as a tv convergence picture problems.The tv convergence board must have to be fixed like replacing 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence picture problems.The tvs shops will cost u like $300-350 for parts and labors.
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Convergence is bad on left side...good on right.....where convergence is good the picture is great

Hi,
Re-solder convergence output ICs pins and nearby big resistors that might solve your tv picture problem and if that does not help then replace both convergence output ICs to fix the problem.
Convergence output ICs would be available in local repair parts shop or google it.
Thanks.
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I have a red bow at the bottom of the screen. i assume this is a convergence problem. How do i fix it?

U must have tools like a soldering iron,a desoldering pump or a roll of desoldering braids,a roll of solders,also do u know how to do basic sodering?The tv convergence board must replaced 2 STK convergence ICS and some or all of it resistors too.To fix the tv convergence board to solved the tv convergence picture problems.Yes.Tries websites like Tvrepairworld.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.Or the shop will cost u like $300-350 for parts and labors.
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The color is out on my tv

U mean all ur colors picture lines on the tv are misaligns?Ur tv convergence are dead.This problems are the 2 STK convergence ICS and some or all it resistors are dead.The convergence board the 2 STK Convergence ICS and those resistors must be change to solved the convergence problems.The shop will cost u $300-350 for the parts and labors.
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PIONEER SD-P4553

are the guns aligned properly? and if there is no difference can you use a voltometer to ensure the board isnt blown?
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Pioneer sd-643hd5

http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
Sony Convergence
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/
http://www.techlore.com/article/19631/Sony-Convergence-Procedure/

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Pioneer Tv SD-P4553

You have incomplete vertical deflection at bottom of screen. Replace C155(2.2uf@16v) on video/deflection assy. Use part number ACH1131
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