Sony KP-51WS520 51" Rear Projection HDTV-Ready Television Logo
Anonymous Posted on Jan 28, 2010

I have a Sony KP-51ws520. I cannot power on. says stand bye and blinks 9 times.PLEASE HELP it is only 5 years old and they says some of the parts are no longer available.

  • 6 more comments 
  • Anonymous Jan 28, 2010

    is the board that i need 202328201 it is where the power cord comes in right? i am very handy

  • Anonymous Jan 28, 2010

    or is it this part number RFR-PTS-164 ?

  • Anonymous Jan 28, 2010

    where and what board can i locate these diodes?

  • Anonymous Jan 28, 2010

    d6301 from the line i put my meter black lead negative and the other side is positive the diode beeps for a half a second but no steady beep but it is reading ohms. does this mean it is bad i have check a different diode and i have a steady beep. I just want to confirm?

  • Anonymous Jan 28, 2010

    I can turn the unit on by pressing "display - 5 - vol.down - power" but how do i get the diagnostic to go away?

  • Anonymous Jan 28, 2010

    A-1054-157 ?

  • Anonymous Jan 29, 2010

    display, 5, sound up, power on, 8, enter, power off. so far i can watch tv again probably temp or i might be doing more harm but hey I HAVE TV.....yeah

  • Anonymous Jan 30, 2010

    The part number for location d6301 is 1n4004. next you probably should solder diode location d6116 and d6117 on the g board.

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dougmpage

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  • Posted on Jan 28, 2010
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Those LED flashs are a fault indicator...First thing to do is to try a reset:

With the TV plugged in push and hold down the reset button on your remote then press the power button on the the TV and then release the reset button once the screen has come up.

9 blinks means, "Zero Crossing Detector" and the probable cause locations listed are "D6166 or D6114 is open

If you are handy you can replace D6301 diode and it fixed the problem. You can buy that diode at partstore.com for $3. good luck





If still no luck then this is going to require a serviceman.

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