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Sound No Picture - Televison & Video

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  • Steven Rivera
    Steven Rivera Sep 30, 2009

    Samsung S42AX/YB01 Sound No Picture
    Thanks Steve


  • Steven Rivera
    Steven Rivera Sep 30, 2009

    It Is NOT A Phillips Set It Is A SAMSUNG S42AX/YB01

  • Steven Rivera
    Steven Rivera Sep 30, 2009

    The Set In Question Is A SAMSUNG S42AX/YB01
    It Has Sound No Picture

  • Steven Rivera
    Steven Rivera Oct 01, 2009

    I Have Sent This Info Twice Now It Is A SAMSUNG MODEL# S42AX/YB01
    It Has Perfect Sound It HAS NO Picture,


  • Steven Rivera
    Steven Rivera Oct 01, 2009

    WHAT LAMP ??????

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  • Expert
  • 149 Answers

Basic troubleshooting information is needed here...need make, model, equipment connected, etc.

  • 1) Check ALL connections for proper tightness, snapped in securely, etc.
  • 2) VERIFY if possible, using known-good cables from another system,(Ask a friend, call your satellite/cable company if they supply extra cables--lol, plead your case--I did and it worked!)
  • 3) If possible, perform a system reset to return *everything* back to factory settings.
  • 4) Under warranty? Storm recently? Use a surge protector?(If there was a storm there is an excellent chance that the TV will be covered under the surge's warranty!)
  • Anything spilled into, or on the unit? Did someone connect something new recently, a game box, or other such device?(especially if the kids are hooking up their own stuff!!
These items are a start until I get more information, Thanks!--Rick

Posted on Oct 01, 2009

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  • Master
  • 497 Answers

The issue may be with the Lamp of the TV. Replace the Lamp and check.


Good Luck!!!!!!!!!!

Posted on Oct 01, 2009

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  • Master
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First of all we'll get rid of the more obvious questions.
Is it plugged in? Is the fuse in the plug OK? Is it switched on? Are the other electrical goods in your place working? Is the cable attached to the TV? Is the aerial in properly (both ends)? Does it work at another socket?

Right, now that those are out of the way we can look at the problem without worrying too much about human error. If there is no sound or picture then the electricity is not getting round the circuitry, which means there is a loose wire/burnt-out diode, or something similar. You need to take it to a TV repair shop.

least try a couple of free attempts:

1.- Hard reset. Merely unplug the power cord and leave it unplugged for 4 hours or more; then try again.

2.- Vibration test. Whack it hard with your hand or fist all around the cabinet in order to vibrate any loose connection or cold solder joint internally. Older sets often have corroded pins in connectors or cold solder joints that start acting up and the vibration will activate them - for a while anyway. WOrth a try.

3.- If the above do not provide any benefit then the only solution is a repair at the local shop. Maybe looking up the blinking code you can get some idea of what the problem is, but in any event when a tv shuts itself off it means the protection circuit has been activated. This activation is from a short circuit in one of the 8 or 10 sections of the tv.

Maybe can send more details about your make and model.

I hope help you with this.

Posted on Sep 30, 2009

  • ZJ Limited
    ZJ Limited Sep 30, 2009

    Video cable came out from the TV or cable box? Or cable is bad... Try a different input and cable.

    Try a hard restart, which simply means unplugging the power cord of the
    TV, and replugging it after 4 hours have passed. This technique
    reprograms the electronics, to a certain extent. If the picture does
    not return, then you have a more serious problem, that requires the
    attention of a TV repairman.

    This may be the backlights and or the backlights power supply is in failure, or the drive board is not working properly.



    The set will have to be serviced. In some models, the backlights are
    not replaceable. In this case they would have to replace the screen.
    The service center can tell you for your particular model.



    If you want to verify the backlights, in a darkened room shine a
    flashlight at an angle in to the screen while the set is running. Look
    at various angles to see if you can see an image. If you can see a
    proper image, this means that the backlights and or the power supply
    for the back lights has died.





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  • Master
  • 10,594 Answers

Please let me know model number and brand of your TV so I will check its schematics, if I have it, to find out possible reason of problem and its solution.
Thanks.

Posted on Sep 30, 2009

  • Shahid Electronics
    Shahid Electronics Sep 30, 2009

    Samsung S42AX/YB01 Sound No Picture
    Thanks Steve
    ============================================================

    S42AX seems Philips plasma TV as shown in below service manual image..
    Problem sounds like in power supply board that needs to be replaced.
    I can send you service manual copy if you want to repair TV by yourself or call local TV tech to fix it.
    Thanks.




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