Question about RCA R52WM24 52" HDTV Projection Television

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RCA R52WM24 52 in. HDTV convergence IC location

Does anyone know where I can locate the convergence IC's in a RCA R52WM24 52 in. HDTV. I don't see anything with STKxxx on it. If fuse FL231 keeps blowing, would the convergence IC's be the next place to start?

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  • Hans007 Mar 25, 2008

    Willtab,



    I just would like to thank you for your input in this matter. You were right on with your analysis. I made the fix over two weeks ago and the fuse has NOT blown this time. It WAS the solder connection on the flyback. The solder points were very sloppy and the solder was gobbed on. I actually just cleaned up the existing solder that was already layed down. Ok, so for anyone else with this problem:



    Find the flyback. Its the big black transformer to the left (bottom lefthand corner of board) of fuse FL231. Resolder the points on that flyback and then put fuse FL231 back in and your problem should be taken care of.

  • Ryan4584 Feb 18, 2009

    R52WM24/ chassis itc222. My tv is having the convergence malfunction with no convergence in the menu and severely bowed image with color distortion. It has been going on a while, and now is to the point where the tv will occasionally shut itself on and off with a straight red/green/blue line going across the middle of the screen if it comes on. I looked in the back, and i can't find any of the circuitry people have listed. I don't know if i'm looking in the wrong spots or not.

  • Anonymous Mar 14, 2009

    I have the same problem with my tv, no convergence in the menu distorted picture, I located fuse FL231 and its ok, now what?

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The rca itc222 chasis uses no stk the convergence is controled with transistors... the convergence amp board is located above the main signal board(green board)... it can be identified as the one with several heat sink fins on it. FL231 is related to convergence.. there has been a problem with this fuse when it blows the processor doesnt know it is a projection set so it turns it into a regular tube tv. Here at the shop we have found number one reason this fuse blows is poor solder connection on the flyback. So replace the fuse and reflow the solder connection on the flyback and around that area also the horizontal transistor and then see if that doesnt fix the problem.. if you have an more trouble ..... willie@fordtv.com

Posted on Feb 29, 2008

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