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Le32r74bd 32" lcd screen - tv standby light flashing but no picture or sound

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  • loobie910 Aug 26, 2010

    I wish I could undersand what you are suggesting! It sound good!!

  • loobie910 Aug 26, 2010

    ~The screen is a Samsung LE32R74BD it is 3 - 4 years old, I tried to take it off stand by with the remote control, but the stand by light just started flashing and there was no picture or sound I have unplugged it and allowed it to stand for over an hour but it is still the same.

  • loobie910 Aug 26, 2010

    hi, I unplugged it and left it for over an hour but it is still the same....

  • loobie910 Aug 26, 2010

    there isn't a pause, it is flashing constantly but not quickly - once a second or so.

  • loobie910 Aug 26, 2010

    ok thanks for that, sounds like I need to take it to a service centre?

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3 Answers

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  • Master
  • 1,961 Answers

You need to open the back cover of your tv and check the power supply board,use a multitester and measure the output voltage of the power supply the orange terminal is 5v which is use to supply the main CPU the 12v is for the sound amplifier of your tv last is the 24v which is for the inverter board and supply voltage to the backlight of the screen make sure all of this voltages are present so that your tv will work...let me hear if you have further questions hope this helps!thanks

Posted on Aug 27, 2010

  • Danilo Baraquiel
    Danilo Baraquiel Aug 30, 2010

    visit this will give you a guide to repair your tv







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  • Danilo Baraquiel
    Danilo Baraquiel Aug 30, 2010







    Normal
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    MicrosoftInternetExplorer4






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    http://en.wikipedia.org/wiki/Capacitor_p...
    http://lcdalternatives.auctivacommerce.c...
    http://www.lcdrepair.us/



    click this link for further assistance good luck

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  • Master
  • 4,889 Answers

If the standby light is flashing and its not turning on then it means that it had entered the protect mode(probably due to a surge). So the first thing I would do would be to try resetting the error code. Unplug the unit wait for a short while and plug it back in. See if that will do the trick. Otherwise let me know and we will continue with the diagnosis.

Posted on Aug 26, 2010

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  • eagle338
    eagle338 Aug 26, 2010

    How many times does it blink in between each pause?

  • eagle338
    eagle338 Aug 26, 2010

    It is a confirmed case of faulty power supply then. Considering the fact that replacement power supply boards are available for as little as 80-100$, it might be a wise idea to replace the entire board.

  • eagle338
    eagle338 Aug 27, 2010

    Only if you don't know how to handle electronics by yourself. In that case you should add a labor charge of another 100+$ to your bill.

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  • Samsung Master
  • 5,138 Answers

Ck the power supply board for bad capacitors thet will look vented,swollen or puffed up on Top ,Bad Capacitors will cause this 1000uf 16v 2200uf 10v 3300uf 10v 220uf 10v 330uf 10v

Posted on Aug 26, 2010

  • ladywinn
    ladywinn Aug 26, 2010

    If you are unable to solder or remove and install electronic componets then you will need to take TV to a Repair Shop.

  • ladywinn
    ladywinn Aug 27, 2010

    You need to replace the power supply board,Call Encompass Parts 1-800-638-3328

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