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Samsung LE32A4566C2D flat screen tv wont turn on?

I was wondering if anyone can help me, i have a samsung LE32A4566C2D flat screen tv, and recently there was a power surge in my area and ever since it wont work, it wont turn on, not even the power light comes on, i have had a quick research and a common problem with these tvs is the capacitors swell and fail, i have had a look and none of them seem to have gone, so i was thinking maybe it could be the internal fuse which is a T6.3H 250V so i have ordered one of them , i have also obviousley tried new fuse in the plug etc and a different power lead, any help would be great as to what else it could be

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  • Samsung Master
  • 933 Answers

There is a chance the power supply is fried. However, I've seen some Samsung power supplies that have fusible resistors in the power supply for added protection. So your main fuse could be ok, but there could be an additional fusible resistor in the board as well. Also be aware, depending on where the surge entered the TV, you could also have a defective main board. Not trying to rain on your parade, but surge damage can sometimes be severe.

Posted on Dec 09, 2012

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  • Ryan Raz Hughes
    Ryan Raz Hughes Dec 09, 2012

    thanks, by power suppy do you mean the power lead? because i have tried another one with it, my ps3 one has the same socket type, that wouldnt work either, i have a very basic knowledge of electrics, but dont know what the resistors look like or how to tell wether they have blown, also i dont have a volt tester or the knowledge in using them, i will have another look today inside the thing, and have a good proper look, see if anything is burned charred etc

  • Ryan Raz Hughes
    Ryan Raz Hughes Dec 10, 2012

    i have checked and there is nothing burnt, i can get a new power board, will that sort it out?

  • Back2life Electronics Dec 10, 2012

    most likely your power supply id fried, I would prefer you do some basic troubleshooting. If you have access to a multimeter, set it for DC volts and clip the black lead to any metal frame on the casing. DO NOT USE A HEATSINK ON THE CIRCUIT BOARDS. On the power supply board, there will be several connectors. The connectors pins should be labeled. Look for a pin that is labeled 5vsb, or standby. With the TV plugged in, you should get a 5v reading on the meter. If you don't, its time to replace the power supply board.

  • Ryan Raz Hughes
    Ryan Raz Hughes Dec 10, 2012

    thanks for getting back to me, samsung have actually got back in touch and they are sending an engineer out to do a free inspection and if it is one of the common problems will fix it for free, if not and he says its gunna cost me , then al just try what u suggest and if its bust, buy a new power board,

  • Back2life Electronics Dec 10, 2012

    If you purchase a replacement power supply, make sure you order the exact part #

  • Ryan Raz Hughes
    Ryan Raz Hughes Dec 10, 2012

    will do, thanks pal



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It's well worth replacing the capacitors, but this problem can be caused by a short on the power supply (Which is what the caps do). Most shorts that arise in power supplies are result of a shot transistor or diode and of course the electro caps. Check these while your changing the caps.
Good luck with it.

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The power supply board has been defected. Replace it with a new one.

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