Question about Panasonic TH-42PZ77U TV
Won't turn on. Power light blinks 7 times
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Posted on Jan 02, 2017
hello, you have a either your su, sd or sc boards fualty and it is a driver sos1 thats what the manual reads the best thing to do if your not electronically inclined or able to fix it is to get a service manual and make sure it is for your specific model and size you will find what the 7 blink codes mean, on my side i have a 42 in pana the service manual for this set and your is similar so since it is not the same model i cant tell you exactly what the truoble is but your best bet is to find a service manual find the 7 blink fualt then without getting ripped off you will know what the service man needs to do if you dont know or cant replace the parts yourself that is besides having to download firmware from your computer to a sd card and update your set but you need to solve the blinking code first it may solve the entire issue. the tv should come on when you resolve the blink codes or replace the fualty board or boards
Posted on Oct 14, 2009
Unfortunately this appears to be a common issue developing with these Panasonic sets i.e the '7 blinks of death'!
Several customers are complaining about it. The problem is caused by one, both, or all of the following boards: SC board, SD board, and SU board.
Most commonly, the SC board is the one that has failed and because Panasonic have received so many complaints about this issue they are now agreeing to replace the SC board under extended warranty.
However this is not widely known amongst the general public and Panasonic have kept it very quiet.
I would suggest that you make contact with the Panasonic Concierge service centre. Make them aware that you are aware of the SC board issue and that there is an extended warranty on this and ask them to replace it.
However if it happens that one of the other boards has failed be aware that Panasonic are not covering these under warranty and you will be charged for the repair in this case.
The Panasonic Concierge service is available from here
Thanks for using FixYa.
Posted on Jul 09, 2010
SOURCE: I have a Panasonic model
In your tv there some problem with power supply. you have to check the followin voltages. Sub 5v SOS ,Main 3.3v SOS A-Board,DTV 9v SOS , Tuner Power SOS. If any one of the voltage fails it will shows 10 blinks.
Posted on Jul 18, 2011
The power supply board of the television 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.
I hope this will help in solving the problem....
Posted on Aug 01, 2011
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