Question about RCA P52812BL 52" Rear Projection Television

1 Answer

Rainbow Of Colors / Concave Top/Bottom

Received This TV From A Buddy Could Not Get It Working, So I Opened The Back Up, Found The Problem, Just A Mere 5A Fuse Gone, Started It Up And Now There Is A Rainbow Of Colors, With A Concave Top/Bottom, Anyone Know Where I Can Find The Adjustment Nobs??

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  • j3sus Feb 22, 2008

    Thanks, I Will Give My Local Repair Depot A Call Maybe He Has Something Instock // Laying Around.

  • Rijac Apr 02, 2008

    same thing happened to my P52812BL -popped the 125v 5a fuse, replaced that, now it's concave top & bottom/ three seperate colours.

  • bshenrie May 13, 2008

    Does anyone know were I can get a schematic for the convergence power supply?

  • Anonymous Jun 06, 2008

    where do i find power supply board for the convergence



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Well there is no adjustment that will fix this, afraid it sound like the power supply board for the convergence has blown up and that is most likely what took the fuse in the first place, this power supply (239124) is a simple plug and replace thing but I am not finding a supplier that has one in stock, so you may have to have the one you have rebuilt

Posted on Feb 22, 2008

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The picture projects the image with concave lines on the edges. I'll explain further: somehow the picture is distorted in a way that bends the four edges of the picture in a curved-concave manner so that...


Projection sets have two very common problems.

The first common problem is convergence


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. This is called convergence.

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,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

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

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
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bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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I have a Mitsubishi 55 inch rear projection tv, ws55819 on which the convergance is gone bad. I'm getting a concave picture with multiple colors and black lines with a blurred picture. this happens mutiple...


Your reference to concave picture suggests a high voltage problem and not convergence. If the raster can't scan from left to right , top to bottom, your having High voltage trouble. if your colors are not dropping on top of each other that is convergence. I would suggest it may be time to consider a purchase of the new HD set for the cost of this repair. good luck

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Hello, Check and replace IC1606 (P/N: 875292571) and IC1608 (P/N: 875982987). Best regards, Arpi http://www.partstore.com/sl/2/418644-ic-cxp86448635q-875292571.html

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you can get it your tv fix the problem is in the IF amp and video circuit.a convergence will also be neeeded.the tv is old but can give you some more life call a tech they will be your tv doc.

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