Question about RCA D52W20 52" Rear Projection HDTV-Ready Television

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RCA TV I think my convergence board is out.  How do I know for sure.  The colors have separated into multiple images with the hourglass effect.  Can I replace it myself?  What is involved?  I couldn't find my model # in your list, my model # is R52WH74 Thank you, Kathie

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I know this chassis pretty well, When you go to menu then go to setup is convergence listed in menu?If not replace Fuse FL231 it will be next to flyback transfomer there is 3 of them in a roll small brown square looking caps they are FUSES the one in the middle is it.

Posted on Dec 19, 2008

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The colors on my screen separate and triple the image I'm seeing.


The tv have an on going convergence problems.Just not total dead convergence effect yet.The tv convergence board require 2 STK convergence ICS,some or all it resistors to be replaced to solved the convergence problems.The shop will cost u $300-350 for parts and labors.

Jul 06, 2010 | Philips 60PP9202 60" Rear Projection...

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Help with RCA projection TV P46812BL (chasis ptk195AA)


You have probably blown one of the convergence ICs. Effectively the easiest thing to do is replacing the whole convergence board, so that no soldering is involved.

Here you can buy a replacement convergence board, just select your model.

Let me know if you need further help.

Sep 13, 2008 | RCA P52930BL 52" Rear Projection...

2 Answers

Double image


Your set uses the 195 series chassis, which has separate components for each of the 6 convergence channels and a separate power supply for the convergence circuits. If all 3 colors have drastically shifted, especially around the edges, then chances are your convergence power supply has stopped working. This is usually caused by the failure of the STK730-010 switching IC. If one of the colors has dramatically shifted by itself then something has stopped working on the convergence board. Sometimes I see CRT coolant leaking onto the convergence board as the cause. In either case this is something that should be repaired and realigned by someone experienced with RCA projection TV convergence circuits.

Jun 05, 2008 | RCA P52937 52" Rear Projection Television

1 Answer

TV looks like it is in 3D


You have a convergence problem. Please see a tech about reworking the convergence board or better still, have them install a refurbished board. The refurbished board will usually have a six month warranty! Thanks for asking ,and fear no TV tech, as you are armed to get a straight answer.

Jun 30, 2010 | RCA P52929 52" Rear Projection Television

1 Answer

I have an hourglass image on the screen and the colors where the screen warps are all separated. I was wondering if that can be fixed or if the tv isn't worth it. Thanks for the help


yes it is fixable and way cheaper than buying a new one all u have to do is change the convergence they are 2 IC's usually located in the video board attached to a aluminum heat sink side by side.

Jan 29, 2010 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

The colors are separated. Images are blurry and


Try adjusting the convergence. If it won't move see below- (or hitting Magic Focus for some Hitachi’s)
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 charge between $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

Oct 24, 2009 | Sony KP-51WS500 51" Rear Projection...

2 Answers

Rca hdtv


Check the Fly Back Transformer. be careful when trying to fix TVs. they retain electric currents even if you have disconnected them.

Oct 03, 2008 | RCA D52W135D 52 in. TV/DVD Combo

1 Answer

Hourglass effect and fuzzy


You have a convergence problem and I suggest to get a qualified honest tv repairman because this is a highly technical problem in this model. Hope this helps

Dec 30, 2007 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Red & Green seem "off centered"


Your set uses the 195 series chassis, which has separate components for each of the 6 convergence channels and a separate power supply for the convergence circuits. If all 3 colors have drastically shifted, especially around the edges, then chances are your convergence power supply has stopped working. This is usually caused by the failure of the STK730-010 switching IC. If one of the colors has dramatically shifted by itself then something has stopped working on the convergence board. Sometimes I see CRT coolant leaking onto the convergence board as the cause. In either case this is something that should be repaired and realigned by someone experienced with RCA projection TV convergence circuits.

Aug 05, 2007 | RCA P46922 TV

2 Answers

56 projection t.v. color problems


If you mean they are separated like a 3-D effect, then you have the typical bad convergence IC problem. There are two IC's mounted on a large metal heatsink, they will have STK392-###, the ### being differant models of TV sets. these are soldered into place and are no usually replaced by the user, unless you have solid state repair experience, knowe how to solder, have a schematic on the set, and know the High voltage safty factors of projection TV serviceing. If you have no experience, please play it safe, and get someone who is trained to service TV sets. Good Luck Please do not forget to rate this thread.

Dec 08, 2006 | RCA P52926 52" Rear Projection Television

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