Question about Panasonic VIERA TH-65PV500 65 in. Plasma Television

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Picture will not come on red light flashing

Picture will not come on. red light for power will only flash

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Basically, the problem with the TV is a power supply board related issue. Most newer TVs will flash a red light code for help diagnosing the trouble circuit board. There are two circuit board that needs to be looked at. The Main Power Supply Board or the power board for the screen commonly called a Backlight Inverter Board.


You have a few choices:

1. You can try leaving the TV unplugged for an hour, so the TV can reset itself.


2. If by chance the TV is still under warranty, go that route.


3. If you have some electronic experience, if you can find and purchase a Service Manual for your TV over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, red light blink codes, test points, and part# lists.Usually, cost under $20. And most cases the new part cost less than $15.


4. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.

Posted on Sep 27, 2009

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Posted on Jan 02, 2017

  • 308 Answers

SOURCE: red light on power button flashes, but no picture....blank screen

I would suspect a problem in either the backlight assembly, or the power supply that drives it. If it's the power supply, the part may be over $100.

Posted on Jan 18, 2007

jscruggs420
  • 36 Answers

SOURCE: Panasonic TH 42PX50U Red power light flashes 6 times

Most of the time when this happens it is the ysus board, that noise you heard was a capacitor popping. Another board runs about $175 and thats if you do it your self. A shop will most likely charge around 500-600, hope this helps, you could also try contacting panasonic and trying to get past the tech and onto casemanagement where you might get somewhere with an out of warranty fix.

Posted on Feb 07, 2009

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