Question about Philips 42PFL5332D 42 in. LCD Television

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Philips 42PFL5332D/37B no picture no sound but blue led light on

TV went out while watching. Called Philips customer support but out of
warranty. They said to update firmware; if that doesn't work then out of
luck. After unplugging over night the TV came back on long enough to update the firmware. After being on 10 minutes the same thing happened. TV will not come back on, so I unplugged again and don't know what to do.
Screen goes kind of grayish first and then black. The blue led light remains on. My guess is maybe something is overheating and shuts it
off. Please let me know of any suggestions since it is out of warranty.
Thank you.

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Power supply board is going bad

Posted on Mar 03, 2009

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Posted on Jan 02, 2017

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3. Enter the 4-digit Device code (refer code list).
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MAGIC SEARCH FUNCTION
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2. Choose and press a device key i.e TV. LED will flash once.
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6. Start scrolling by pushing the ON/OFF button as soon as your TV or Chosen device turns OFF lock the code in by pushing the DEVICE key again.

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