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RCA r52wh74 My screen now looks like a 3d movie with out the glasses. A technician came out an told me it was my power converter and wanted $300 to fix. If I can find some where to buy the part I can do it myself. Where can UI locate a parts break down for this model I have the same 3d thing going on. I was trying to figure out where in the back of the TV this part is located. I had the extended warrenty on my TV....but Smart Plan doesn't have anyone to send to fix it in my area. If I can fix it myself..that would be great! I looked in the back of the TV and don't immediately see anything that looks like the part you referenced for the other person-- STK392-150. Can you tell me where it is located on this RCA model R52wh74? Thanks!!!

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  • Terri T Feb 01, 2008

    Part of the post that I sent included some of the posting that I was reading when I replied...not sure how that happened. I didnt get anyone to come out here because like I said...Smart Plan didnt have anyone that could come and fix my TV even though I had the extended warrenty. But it sounds like its not possible for me to fix on my own. I have never soldered anything in my life :) I just thought it might be something that plugs into the tv's guts somehwere that I could replace myself.

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Hi the problem you are having is a common one dont know what the repair bloke told you but your problem is with the convergance ic their are two of them located inside your telly the are located on two metal heatsinks sticking up out of the board the parts start with stk they might have a clip round them holfing them onto the heatsink these need removing to see the part number.
When you get the part number google it and it will locate the people who sells them part numbers for you these parts are not user repairable they should only be replaces by a pro as when you solder them in you cant let them overhear as this will blow the ics again but if you are confident in doing the repair then you will need a multimeter as well to check any resistors that might have also blown ok if you need further assistance let me know ok

Posted on Feb 01, 2008

  • paul proctor Feb 01, 2008

    Oh just one more thing if you cant locate the part inside your telly then you will need to download the schematics so use something like ask.com and type in
    schematics for then give make and model number this should then locate the schematics for you the schem will also give you test points on the circuit board to test for any faults so have a look for this ok this should be what you locate first as following the schematics will save you loads of time locating the faults

  • paul proctor Feb 01, 2008

    H no these parts need soldering and if you dont disperse the heat from the solder you could blow the chips whilst soldering them in so its best left to someone who has done this before

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I turned My tv on and the top of the screen has red, green, and blue swirl lines, and the rest of it looks like watching a 3D movie without glasses, and the picture looks as if you took out the screen and...


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RCA r52wh74


Sounds like a convergence IC issue. are the red and blue colors out of alignment making it look like 3 images? If so you need new Convergence ICs. You wil need two of them they cost about 10.00 each They are STK394-040 you can get them at the following link. It shows a picture of your ICs
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If you need anything further please let me know.

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