Question about Samsung PCN5425R 54" Rear Projection Television

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Convergence: concave picture with double image

My pcn5425r tv has developed a problem with the picture being concave on the screen and double like image to it. I noticed someone else listing the same problem with no answers listed, hoped maybe someone had figured out a possible solution? Thanks

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  • Don Davidson Apr 10, 2007

    Thank You for the the help, this helps me greatly after talking with another tech online yesterday. Now have two great tech's giving me same resolution to my problem, all I need to resolve is to verify part numbers, and order service manual for adjustment purpose after changing new board when I get it. Thanks both very much both of you saved me at least two hundred dollars on easy change out. May need ya'll again on realignment.

  • Don Davidson Apr 11, 2007

    Thanks for the recommendation, I ordered the board today and decided to wait and see how much extra adjustment might be needed before ordering the service manual. I really appreciate your help and advice.

  • kevlarnovack Nov 05, 2007

    I have recently experienced the same problem as stated in this post. I replaced the convergence board with the replacement version, but it fits exactly. The picture is still double-vision, but the concave problem went away. Now, I also get the message "NO SENSOR DATA". I've had the TV unplugged for over a day. Everywhere I read that I need a service manual. Where can I get one of these? Are there any quick hints that will help?




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An easy replacement on the Samsubgs is to replace the convergence board. If you are doing this yourself it is just a plug in board. Here is a link for the part number and how to purchase it.

Posted on Apr 10, 2007

  • Don
    Don Apr 10, 2007

    You probably won't need to do anymore alignment then the customer convergence alignment. I would hold off on the service manual.



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