When i press power button the red light comes on steady, but the screen is black and no sound. there is no response from the remote or the side panel buttons. if i press the power button for 5 seconds the red light flashes 15 times then pauses.
SOURCE: My panasonic viera plasma screen
Hello,
Your power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
Take care in solving the problem....
If it is from ShopJimmy you can't be certain it's a good one :-)
And second, that sounds like a main board problem, not power board problem.
Google the model number with 3 blinks or error codes and you should find it.
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