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I have a panasonic th-42px70a you turn the tv on and then it turns itself off

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That symptom of your televisions have problem in power supply.The power supply have some deffective parts like the capacitor.The capacitor is totaly leak that cause of voltage drop.The output voltage dosen't continue because of leak capacitor,the leak capacitor is mildly shorted.So try to check the capacitor and replace all leak capacitor.The leak capacitor can identify through visual checking if you don't know how to use capacitor tester.The leak capacitor is rounded shape at the top and sometime have moise.Try this sugestion.hope will it help you.Thank you..

Posted on Aug 26, 2011

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Posted on Jan 02, 2017

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Tv went out itself red light ( power on off ) just blink, we can't turn on tv set neither fron remote or at the tv set


Tv went out itself red light ( power on off ) just blink, we can't turn on tv set neither fron remote or at the tv set

Jun 30, 2011 | Panasonic Viera TH-42PZ80U Plasma TV

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User Manual Panasonuc viera Model No TH 42px70a


You can get the manual on the link below. Scrool down to the bottom of the page to get it.

http://www.panasonic.com.au/products/details.cfm?productID=6042

Or you can try this link below.

http://panasonic.com.au/content/library/files/F001902.pdf

Good Luck and please rate 4 thumbs up for the free answer

Sep 03, 2010 | Televison & Video

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Hi i have panasonic Veira model TH-42PX70A my tv has stopped working i have no sound and no picture. when turn on the standby button flashes red. If try to turn on from standby mode the green light appears...


Hello this may be a power supply problem, but my professional guess is that your Y-Substain board has failed. Count the number of times the red light flashes, this indicates the reason of failure of the unit. After which check ur user manual for troubleshooting section, your manual may give you a listing of the number of blinks and what they mean. If you want take off the back and check the fuses on the power supply if one is blown then replace the power supply as just replacing the fuse will just blow it again. If no fuse are blown then have a technician replace teh Y_Substain Board.

Nov 05, 2009 | Televison & Video

1 Answer

Panasonic TH-42PX60U Turns On/Off by itself


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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2 Answers

TH-42PX80U JUST TURNED ITSELF OFF


The 7 blinks indicates that a failure has happened within the Y main and the upper and lower y drive panels. I recommend you taking it in to a Service center for and evaluation.

May 23, 2009 | Panasonic Viera TH-42PX80U Plasma TV

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