Question about Samsung PCL5415R TV

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My Samsung PCL5415R rear projection tv picture no picture...

While watching my Samsung PCL5415R rear projection tv, the picture goes to black, and will only work after unplugging tv for 1/2 hour or so. Then it works again for approximately an hour. The red power light on the front of the tv goes out too. I am not an electronics technician, but have some electronics training from US Navy nuclear power school. (I understand transistors and diodes, zener diodes, etc...) A faulty power supply would be where I start my first troubleshooting. What do you think?

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Hi Xnavy, I am Xarmy (Armoured Corps). Our thinking goes the same way. It is the power supply as the red power light too goes off. That means that the power supply unit has gone off. And I feel that a new PSu would be a better idea than repairing it and not being sure in future.

Posted on Oct 07, 2009

  • Vinay Tevatia
    Vinay Tevatia Oct 07, 2009

    On second thought, try putting a bigger fan to circulate more air to keep it cool for a longer period, or try changing the heat sinks to a bigger and more efficient ones. These are 'not so expensive' methods to sort your prob out. No harm trying them out.

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