Question about RCA D52W19 52" Rear Projection Television

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3d image/sinking effect

We were watching t.v. and picture had a 3d like effect but started sinking into middle,almost like bowtie shape...top and bottom cut off... can i fix myself? ,if so whats the prob? how much would a repair man charge?

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This is a convergence problem. Ther are either bad connections at the convergence ICs or the ICs are defective. If you can solder, you can repair this yourself. Try resoldering the pins on the ICs first. If that fails to resolve the problem, replace the ICs. These ICs are large, black and attached to a heat sink. They should be marked STKxxx. Figure on $20 for each one. There will be 2 of them.
Keep us posted.
Dan

Posted on Jun 02, 2008

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Posted on Jan 02, 2017

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1 Answer

Not sure if its a picture tube problem or convergence problem. TV was working fine, put a DVD on pause, came back 10 minutes later and poof! Distorded picture almost 3D like. Shut it off and when it came...


Check the micro fuses that power the convergence board, one or two maybe open, While doing this also resolder the flyback transfomer and area around it. Check for cold solder joints in this area as well.
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1 Answer

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Apr 20, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Picture problem with rca 52 inch hdtv colors split not in focus


Hello, If your picture looks like a "3D image" you need convergence IC's . Red and or blue picture is not converging on top of the green picture. They are mounted on large, finned heat sinks. The # on the IC's starts with "STK-" followed by numbers.They are available through tritronicsinc.com for $15 to $35 each. Good luck.
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1 Answer

3D image


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1 Answer

Bow like image


You likely have bad convergence output ic's type #STK392-570.  These can be purchased at UED 800-648-6657.  You will need to remove the board they are mounted on to be able to usolder the old ones and resolder the new ones.  These will be mounted on heat sinks.

Sep 08, 2007 | Mitsubishi WS-65819 TV

1 Answer

Apex gb4308 multi colored horizontal bow in middle or screen.


This is not an "STK" problem. Your problem is VERTICAL. You need to check your vertical chip for damage CN301 and check around it for any bad parts or loose connections. I've seen loose connections on the chip itself cause it to self-destruct.

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