Question about Sony KP-51WS520 51" Rear Projection HDTV-Ready Television

2 Answers

Sony projection blinks 9 times

The tv clicks but the picture doesn't light up.. then the code blinks 9 times. About 5 months ago I changed out the D6116 and D6114 diodes and it started working again until now. I pulled the G board and the diodes seem to check ok with the Fluke diode tester, about .5 volts. I do get some odd readings on the D6109 diode. Please advise. Thanks

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  • David Kearney Apr 23, 2008

    At first when it wouldn't come on. No sound, no picture. Then I kept trying turning it on and off. A couple of times no picture and then sound for a minute then nothing. The next day I tried again and everything worked normally. We just didn't turn it off for a few days but when we did, back to nothing again no picture, no sound just blinking code. Tried turning it on several times over the next couple days but nothing. I guess it could be the same diodes I changed out before failing again. Should I go to a 1/2 watt diodes if I can find them.

  • David Kearney Apr 23, 2008

    Actually I am an electrician working for the power company. I think the voltage stays a pretty steady 123 VAC. But it's always possible we are getting some spikes.

  • David Kearney Apr 23, 2008

    I replaced the two diodes on the A board. Still when I hit the power button their is a click but no picture or sound, then 10 red blinks, then it eventually will turn itself off.

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According to the manual
9 times
, Diagnosis: Audio error. Possible causes: +- 19V line is shorted. (A, B boards), IC708 is faulty. (A board), PS701 or PS702 is opened. (A board). Symptoms of the problem: No sound

Buy you have no picture you say? Do you have no sound too or just no picture

Please get back to me on this and I will further assist you

Thank you for using Fixya and Have a Good Day!

Posted on Apr 23, 2008

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  • Benjamin Patri
    Benjamin Patri Apr 23, 2008

    instead of "buy" it should be "but"

  • Benjamin Patri
    Benjamin Patri Apr 23, 2008

    I would bet the IC went bad out of the components above, have you check all of them because the error no doubt is coming because one or more of them went bad and may not just be an audio error then.

  • Benjamin Patri
    Benjamin Patri Apr 24, 2008

    10 blinks means "HV Protection" and the probable cause locations listed are as follows:

    1. Q8014 or Q8013 have shorted, replace along with R8051 on D board.
    2. IC8005 is damaged (D board).

    These are starting points for qualified service technicians.

  • Benjamin Patri
    Benjamin Patri Apr 29, 2008

    Please don't forget to rate this solution as that is one of the biggest aspects of all this website works



    otherwise please let me know if you have further questions



    Thank you

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Sounds like they are blown again. You have bad power there, by chance?

Posted on Apr 23, 2008

  • Patrick Michaels
    Patrick Michaels Apr 23, 2008

    replace the diodes and put a line conditioner in line with power outlet to the unit

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