Question about Pioneer PDP-507CMX Television

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My Pioneer PDP-507CMX won't turn on. Standby light is on but cannot turn on by remote or power button.

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Hi there, first, there's a common problem with flat panels, and that is overheating issues.

Most flat panels in general suffer from powering up due to failure of capacitors that are located on the internal power supply board, reason for this is extensive heating .

If you don't mind to disassemble your TV, look at the power supply first; look for burnt parts and specially for bad capacitors.

A sign of a bad capacitor is to look at the top of the capacitor, if the top is flat is good, if the top is bulged up is bad.

Example:
My Pioneer PDP-507CMX won't turn - 14ceeeb.jpg

Another example of a bad cap.
901ce9e.jpg

The top of the capacitor has to be totally flat to be good, if is even a slight bulge on the cap, is bad

If your willing to do this task and with a little soldering knowledge, you can go and get these parts at a computer parts store for a few bucks and you can save a ton this way.

Hope this help and thanks for choosing Fixya.


Posted on Sep 27, 2010

  • Mvp4eva Sep 27, 2010

    I wanted to add this, the standby light means, your TV is getting power to the power supply but not through out the circuit board which explains the above..

    Another example on a working TV is when you turn off your TV, your cutting the power to the circuit board but there's still power being fed to the power supply which explains the standby light.

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