Question about Televison & Video
Our 5 year old Samsung 65" rear projection TV (Model #HCN653WX) is having a convergence issue in the top-middle and bottom-middle of the screen, which makes the picture look concave into the tv set. A month ago, we had a Pro Scan Module replaced to fix an issue with black shadow lines appearing everywhere, which made the quality of the picture like new. We turned it on one morning and the problem appeared. I tried the 'perfect focus' option. I also tried manually correcting the convergence with the remote and also via the service/factory settings. It won't let me adjust the individual points on the screen. Any suggestions on what the root problem may be? I attached a picture of the TV and the convergence problem.
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Posted on Jan 02, 2017
You have a bad sensor, a bad digital convergence board, or the new board is not working correctly. I would start by swaping out the convergence board or exchange it for another one. Good Luck
Posted on Nov 09, 2007
Unless you can solder and use a meter then yes you need to call a tech, this repair should run somewhere from $300-$500. Let me know if you need more info
Posted on Sep 11, 2008
This model uses a Single convergence IC---a STK-393-110.
If convergence is skewed and will not adjust the chip needs to be replaced.
Most shops get 300 or more for this repair---you can buy the IC on Ebay for about 12 dollars--total parts cost should be under 30 dollars.
I have Start to finish, step by step instructions for this repair in this set--they tell you everything you will need and how to do the repair.
Let me know if you have questions or want the instructions.
If this helped you rate this solution as I do this here for free.
Posted on Dec 19, 2009
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