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My Panasonic Viera TH58PZ800U comes on but turns off within seconds

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  • Panasonic Master
  • 6,694 Answers

Sounds like The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Posted on Dec 30, 2016

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Posted on Jan 02, 2017

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skotkolr
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SOURCE: Panasonic Viera

vga board is bad ot the components on it are blown out.

Posted on May 08, 2008

  • 583 Answers

SOURCE: Panasonic 50" Viera plasma on/off problems

its the problem in main board.any of the capacitors or ic are getting overheated that needs to be checked and replaced. thanks.

Posted on Jul 13, 2009

djchillsnyc
  • 151 Answers

SOURCE: panasonic viera tv won't turn on. Power light

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

SD Tech
  • 14553 Answers

SOURCE: My panasonic viera TX-L37G10B and turns off after 3 seconds and it says there are technical difficulties?

I would of course first GOOGLE the model number with the word problems and see what you find.

If it goes off after 3 seconds (never gets a picture?) it will have to be opened and checked.

Typical inspection begins with set apart measure each voltage on power supply board AT TURN ON.

Which goes down first and stays down?

Basic trouble shooting for most sets.

Posted on Mar 17, 2012

lars_olsson6
  • 3400 Answers

SOURCE: My Panasonic Viera TH-42PZ77U tv won't turn on.

http://www.youtube.com/watch?v=qQ_iLxx3Fj4
ARE THIS RIGHT PROBLEM.?

Posted on Jul 11, 2013

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1 Answer

My lcd panasonic viera 32


There is an internal fault, you will need to have the set diagnoses. There are a number of boards that can cause your problem.

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My panasonic viera wont turn on. The light of the on button keeps flashion red and i unplugged it. It turned on for 2 seconds then off again HELP


We had this problem. Very common to Panasonic. The problem is your A board. Panasonic is cheap because they spec'd a board that was possiblly defective. As long as you purchased within 1 year, you should be covered by manufacturer's warranty and Panasonic will send someone to your home to repair. Otherwise, if you don't have extended warranty you will have to pay.

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1 Answer

Can you tell me what a Panasonic Viera Model TH-42PD25 would be worth today? I'm thinking of buying one second hand and aren't sure what I should pay. Thanks!


Hi.

Second hand price is difficult to say, probably about $500. If the unit is in good shape it does not go down too much.
New RRP is over $1000, offers however start at about US$600 (about £400 in UK). Probably you can find a little cheper in Ebay.

Here a link: Panasonic Viera TH-42PZ80U

I suggest not buying a second hand plasma. Plasma TVs have a couple of weakness points, and often break down after few years usage. If you buy a second hand you do not have any info on its usage, and you may find yourself in need of changing a sustain board within the year.

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1 Answer

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This is a fault developing within the screen, the only remedy is to have the screen replaced, there is no exact answer to why this has happened, it is just the nature of a plasma screens make-up that sometimes a fault can develop like this within the characteristics the display

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1 Answer

Re: my 32" Panasonic Viera Lcd-- The red power light comes on for a few seconds, then goes off for another few seconds, then starts blinking. The screen stays black and there is no sound. Bob in LB


id suspect its going in to a shut down mode its likley a power supply problem
but there are inverter boards that can cause this as well
you will probably want to find a servicer in your area to assist with this repair

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1 Answer

Panasonic Viera


vga board is bad ot the components on it are blown out.

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