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Power light blinks, but tv won't come on

Brand new Panasonic TH-42PZ77U Plasma bought yesterday, it just shut it self off and the power light started blinking. Now it just has come on twice and shut itself off with just the power light just blinking. No troulbleshooting in the manual. It is plugged into a monster clean power source.

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Re: power light blinks, but tv won't come on

I have the 52" version of the Viera model. Mine went out last night and started blinking twice over and over again. I suspected overheating so i just went to bed and tried it in the morning with no luck. Then I unplugged it for more than ten minutes and plugged it back in and everything worked fine. I hope this helps.

Posted on Oct 01, 2009

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yes your sc board is short you must also do a firmware update

Jun 08, 2010 | Panasonic TH-42PZ77U TV

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Panasonic TH-42PZ77U HD Plasma tv has 10 blinking lights


Ur 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, to buy a whole refurbish power supply board for the replacement.

Jun 02, 2010 | Panasonic TH-42PZ77U TV

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replace sc board and do firmware update or problem will come back!

Oct 24, 2009 | Panasonic TH-42PZ77U TV

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Blinking red power light

HI. this is an unfortunate power board failure. The board is unable to distribute the proper current at this time. you must replace this failed board asap. this will fix this issue.

Aug 08, 2009 | Panasonic TH-42PZ77U TV

1 Answer

(panasonic TH-42PZ77U plasma) the tv will power on but before the picture comes up it powers back off. Red power light is flashing.

in protective mode the tv does not turn on and light is blinking, typically we must proceed by elimination as some faulty sections are preventing the tv to switch on. unplug the output power connectors from the power supply until the latter stop clicking. if it is still clicking after every of the output rail have been disconnected, then the power supply itself is faulty.

hope this helps!

Mar 21, 2009 | Panasonic TH-42PZ77U TV

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