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RCA R52WH74 HDTV started black outs for 10 -40 minutes

RCA R52WH74 HDTV is slow coming up with picture. Has started black outs for 10 -40 minutes when the picture will come back. Is this a consumer repair with parts, or a repair by a service technician?

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  • James Alexander
    James Alexander Jun 04, 2010

    unclear as to what is wrong, local repair shops have both Great and Poor reviews, like to have a better idea of what is wrong besides the symptoms.

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  • Master
  • 8,619 Answers

Hi


Thanks for using FixYa. The issue is with the convergence ICs going bad and needs to be replaced. It’s not a difficult job if you want to do this yourself, you should require some basic knowledge about soldering-resoldering components. To start with you’ll have to open the back of the unit and then replace the ICs(STK ICs) which are located behind the black heat sink and also check the resistors as if they are short the ICs might blow again after sometime. There are repair kits available which includes repair instructions with the parts, if you want to do it yourself you can buy and repair it yourself.Please do accept the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Posted on Jun 04, 2010

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  • Master
  • 1,099 Answers

Hello,
This is a repair by service techanician and can solve by first check for dry soldering, if found resolder , but if otherwise replace the z-sustain board and then check all the fuses again .
Thanks for asking...
Hope this will help out ..


Posted on Jun 04, 2010

  • 1 more comment 
  • James Alexander
    James Alexander Jun 04, 2010

    This is a new condition, we have had the TV for more than 2 years.Can a 'dry solder' occur over time?



    the "Z-board", is that a part or unit that may need to be replaced? Any idea of what the costs should be?

  • Sanyade Akinwale
    Sanyade Akinwale Jun 04, 2010

    Hello
    It is possible you can have a dry soldering ,all you need is to check if there is one.
    the Z sustain board cost 160 pounds plus VAT.
    Thanks for the comment.



  • Sanyade Akinwale
    Sanyade Akinwale Jun 04, 2010

    Hello
    It is possible you can have a dry soldering, all you need is to check if there is one,
    the Z sustain board cost 160 pounds plus VAT, try eBay.com.
    Thanks for the comment.


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