Question about Panasonic PT-53WX54 53" Rear Projection HDTV

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My pt47x54j went black during a movie. Light flashes 3 times indicating a power source problem, any idea of the repair.

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  • Panasonic Master
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YES, three blinks is error code for short protection. 98% of the time in this model it means one or both of the two STK-392-110 convergence chips is bad.

There is a easy way for you to confirm this. With the set unplugged remove the back cover. The two chips are 2 1/2 X 1 1/2 inches and black in color--they will have the STK-392-110 PRINTED ON THE FRONT OF THEM IN WHITE LETTERS.

They will be on Metal heat sinks with fins side by side.

What you want to look at is there are about a dozen light blue resistors around them--most will be marked 2.2 ohms.

Look carefully at the resistors--if even one is discolored or somewhat white in the middle you have found your problem.

They can be tested just like testing a fuse--should show as a short if you measure across them.

This repair involves replacing both chips and any bad 2.2 ohm resistors.

I have START TO FINISH, STEP BY STEP INSTRUCTIONS FOR THIS REPAIR IN THIS SET.

If you have some skill at soldering etc--the instructions will tell you everything you need and how to do the fix yourself.

Most shops are going to get 300 or more for this repair and some will not do it in the home.

You can buy a pair of the chips on Ebay (I can tell you the seller there I buy from) for about 12 dollars plus shipping---I have repaired hundreds of these sets--it takes about a hour or so.

Let me know if you want the instructions and I will post them here---

If this information has helped you rate this solution as I do this here for FREE.

SD TECH

Posted on Nov 19, 2009

  • 8 more comments 
  • bsfry59 Sep 26, 2010

    Can you post the instructions or send them to me. Also the buyer you use on ebay?

  • SD Tech
    SD Tech Sep 26, 2010

    Yes to both questions---post a email and I will follow up

  • CondorDad Sep 30, 2010

    WHAT IF THERE IS NO SIGNS OF THE RESISTORS IN WHITE CAN IT BE JUST THE CONVERGENCE CHIP?

  • CondorDad Sep 30, 2010

    Never mind I found the white resistor. Can I get the instructions to replace it?

  • SD Tech
    SD Tech Sep 30, 2010

    To last person who posted here. You are not the person who posted the original question.

    I am in California. Post real question Attention SD tech and I will help.

    SD TECH

  • leecollinslt Oct 21, 2010

    Pls send instructions. Jeff

  • deldershaw Oct 22, 2010

    Can you please email these instructions to dave.eldershaw@gmail.com.
    I seem to be having the same issue.
    Thanks

  • deldershaw Oct 22, 2010

    hello, can you please email me the instructions to dave.eldershaw@gmail.com.
    thanks

  • SD Tech
    SD Tech Oct 22, 2010

    Fixya does not work in this way. I am happy you liked the solution but what you need to do is post a question of your own, you can in the title mark it ATTENTION SD TECH and if I see it, (I am in California) I will be glad to help you.

    You have several choices--you can post it in the free section or there are several levels where you pay for an answer, in the free sections some experts will bid on this to get you to decide if you want to pay or want a free answer.

    There are rules here which do not want help given to someone who did not actually post the question.

    SD TECH

  • Rich261 Jan 11, 2011

    Hello SD Tech, I am having the same problem and would like to request the instructions as well as the Ebay seller. Thank you very much for your help.

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