Question about Sony KP-57WS500 57" Rear Projection Television

4 Answers

Tv turns off byitself

When watching tv it snaps real bright then goes blank with the color blue then shuts down the red led blinks 8 times over and over, turn the tv back on it is ok for 5 min then does the same thing.

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  • paulj7772 Jun 23, 2008

    i have had a service rep look at the tv he told me high voltage.

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4 Answers

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Hi paul,
I need bit more details in symptom of your tv set. When tv shows hight bright blue picture, does it have few lines (5~7) on screen?
Regarding 8 times blinks, it shows error in High Voltage area.
Waiting your reply.

Posted on Jun 23, 2008

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I will give u the link for the solution of such problems n wat 8 blinks is related to in most of the models.all the possible information n repair process regarding ur problem is available on this link: http://www.repairfaq.org/sam/tvfaq.htm#tvtvrep

feel free 4 further assistance .rate the particular experts solution as fixya that helps u understand n solve ur problem

Posted on Jun 23, 2008

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I'll need to look up your specific model to be 100% sure, but hte 8 blinks is either the audio output amp that is bad or the Flyback transformer. The 8 blinks mean different things depending upon the model. Check the horizontal output transistor on the "D" board for a shorted condition (if you know how). That is the most common part to fail. If you are not comfortable with working inside the set, request a detailed repair estimate. Figure on $20 or so for parts if the problem is not the flyback and around $125 or so if the flyback is bad. Add in the local labor rate for the total repair cost.

Hope this helps,
Dan

Posted on Jun 23, 2008

  • ABRsvcs Jun 23, 2008

    By the way, the reason the set shuts down is the protection circuit kicks in to prevent further damage. And given the symptoms just before the shutdown, I'd be leaning toward the flyback being bad.



    Dan

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It is the safety switch

Posted on Jun 23, 2008

  • Ginko
    Ginko Jun 23, 2008

    The device detects there is a problem with some of the circuits and shut itself off after diagnosing the problem, usually a short or a faulty component on some of the boards inside tv .
    8 blinks mean internal problem with the audio board, TVgoes to standby and
    blinks the self-diagnosis code 8 times. You should have IC406 audio amp, PS401 and 402 checked, and eventually replaced.

    Regards


  • Ginko
    Ginko Jun 23, 2008

    After fixing the problem you should perform a service reset procedure, otherwise tv will keep returning the fault code. This is done by going into service mode (press display, channel, 5,
    then volume plus, then power). When in service mode press 8 and Enter. This should return
    everything to factory preset condition and clear error code.

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Posted on Jan 02, 2017

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Picture calibration settings for 42lg70


Picture Menu
Picture Mode: Expert1
*Backlight: 16
*Contrast: 83
*Brightness: 53
Sharpness: 50
*Color: 55
*Tint: 0
Expert Control
  • Fresh Contrast: Off
  • Noise Reduction: Medium
  • Gamma: Medium
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  • TruMotion: Low
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      • **Blue: -16
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      • **Blue: -7
    • 30 IRE
      • **Red: -5
      • **Green: 0
      • **Blue: -4
    • 40 IRE
      • **Red: -8
      • **Green: 0
      • **Blue: -4
    • 50 IRE
      • **Red: -4
      • **Green: 4
      • **Blue: -4
    • 60 IRE
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      • **Blue: -9
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  • Red Tint: 0
  • Green Color: 0
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  • Blue Color: 0
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