Question about Sony KDS-R50XBR1 50" HDTV

2 Answers

After turning on power it takes about 30 seconds for the picture to come on. It stays on for about 30 sec and then goes black and the green power light blinks for about 30 seconds and then the picture comes back on for 30 sec and goes out again. It does this over and over? Did the power reset and tried another bulb and it does the same thing. John Giblo 518-677-7793 JGIBLO@NYCAP.RR.COM

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  • jgiblo Jul 09, 2010

    The green power light flashes not the red light that gives error codes.

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Hi,
I'm Sony tech and can help you out.
Symptom shows that lamp is weak in result and causing problem.
As you said, lamp has been replaced but problem still not solved.
Let me know about replaced lamp, is it Sony original or any low price lamp?
If it is low cost lamp then buy Sony original to fix the issue and if lamp is Sony original than problem seems with ballast supply board that provide high voltage to lamp. Ballast supply board need to be checked/ replaced to solve the problem.
Let me know if you have additional question.
Thanks.

Posted on Jul 09, 2010

  • 4 more comments 
  • jgiblo Jul 09, 2010

    Can I replace ballast supply board? Part #? approx cost? How to?



    Thanks



    John Giblo

  • Shahid Electronics
    Shahid Electronics Jul 09, 2010

    I need two information about tv.

    Is it Sony KDS-R50XBR1 or any other model.

    Replacement lamp is Sony original or not.

    These info will help me to provide you solution.

  • jgiblo Jul 09, 2010

    TV is sony KDS-R50XBR1 bulb is a sony.



    Thanks



    John

  • Shahid Electronics
    Shahid Electronics Jul 09, 2010

    Below image shows ballast supply board location in tv.

    Part number is as follows:

    146893612.... POWER SUPPLY BLOCK

    and available in Sony Parts Store $128

    Thanks.

  • jgiblo Jul 11, 2010

    Thanks for the info.



    I did not get a photo?, and the sony site did not have a photo for the part # you gave me. The price was correct.



    If you were going to replace one of the 2 parts first, which one would you replace first?



    Thanks



    John Giblo

    jgiblo@nycap.rr.com

    800-327-6528

  • Shahid Electronics
    Shahid Electronics Jul 11, 2010


    Bulb has already been replaced with Sony original bulb and last option is ballast supply board.
    Sony parts site does not have part images, just part number works there.




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Hi,

There is a very good chance that the lamp is causing the problem. You might want to replace the lamp to keep from having to call for service.If the problem continues the blink codes are provided to the service technician as a starting point to look for the problem.In this case, it is certainly a hardware failure. There could be many reasons for the same such as Faulty video out, CRT drive is faulty or G2 is improperly adjusted.This needs to be taken care by a technician.

However,if you have experience in repairing electronics, could read schematics, know how to use soldering iron and multimeter and would be able to keep all precautions, revert and i would be able to provide you some pointers.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Jul 09, 2010

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