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Television turned itself off and won't come back on again

Please can you help. I am in Australia so I don't know if our TV set up is the same as yours. The actual product is a Panasonic Plasma TV VIERA TH-50PX70A, your list doesn't recognise this model. Anyway the problem is this.
We were watching a film on Foxtel (equivalent to SKY etc) and the TV turned itself off and could not be turned back on again. It seem to go into Standby mode. The red light on the TV near the on button flashes on and off when you push the remote control on/off button. When you turn the TV off at the main switch and then push it on again, the TV clicks like it is going to come on the light goes green, then immediately goes red and the TV doesn't do anything. No picture, No sound.
We have only had this for a couple of weeks and the manual doesn't give any idea as to what the problem could be or how to solve it.
Thank you for your help, regards Tracey.

Hi I am in Australia and having a similar problem. I have a TH-42PZ700A(not recognized on your forum) that is only a week old. After workingfine we tried to start it and the light flashes green as if for anormal start up. Then there is a split second of sound and the lightchanges to red and flashes in a repeating 7 flash cycle.

We havetried turning off for over an hour. We have tried an alternative powersource and holding down the chanel change button. We have also triednot using the surge protector and plugging directly into the wallsocket. Finally we tested the power outlet and surge protector andfound it to have a stable power supply.

Any other suggestions or explanations would be greatly appreciated.

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  • 4 more comments 
  • carcat Dec 14, 2007

    My Panasonic TH-42PX75U is less than 6 weeks old. While watching network tv, the tv turned itself off. After a few minutes, We turned it back on and it worked for about 10 minutes before going off again. It's been off for an hour now and still will not come back on. The wall outlet has power to it as evidenced by a lamp working when plugged into the outlet.

  • Cobbs Dec 29, 2007

    I have the same problem as carcat on the same model tv. It's about four months old now. The first time the tv turned itself off was about a month ago. But it was fine afterwards. Then in the last two days, it has happened four times. The tv usually runs fine for about two three hours before it turns itself off, and you can't turn it back on until five or so minutes have passed. There's always a clicking noise right before the tv is able to be turned on.

    Any help would be greatly appreciated.

  • ImSOL Jan 05, 2009

    Our TH-58PZ700U spontaneously turned itself off and will not come back on-red light was blinking, now will go off if the main power button is held down for several seconds, but will not come on. No picture, no sound.

  • juicerx5 Mar 20, 2009

    I have a Panasonic TH-65PZ850A and have the same problem.
    At the same point in a Blu Ray or Foxtel digital movie, and from time to time on TV channels (free to air via Foxtel) the screen just goes into Standby mode.

    Ive tried everything and have no idea how to fix it!

  • monoloco Apr 12, 2009

    I have had a Panasonic TH-50PZ80A for 1 week now. Suddenly it has started turning itself off spontaneously. Sometimes it turns back on again, but sometimes it just stays off. I can't turn it back on with the remote. I have to turn it off at the main switch. Usually it comes back on, but will do the same thing 5 minutes later.

  • theodorez May 24, 2009

    Exactly the same problem, my panasonic TH-42PZ700A does not turn on. Looks like it is about to start, then goes back off looping in 7 flashes of the standby light. This is giving me all sorts of grief ... anyone, please help :(

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SOURCE: Television turned itself off and won't come back on again

Tracy it sounds like a power supply problem, not anything you have done.This day and age the new electronics are only built for min running requirement, as in the working capacity of the power supply.Not like a few years ago when things where built to last and some still do.

It has a standby mode thats why most things have a led to show you if its on or off.This only come about for some reasons and that was to keep the old Tube Type Teleivision warm so you have instant picture, if you have turned this type of teleivision off at the wall it would take a few minutes to get a lets say a stable picture.
Enough of showing my age.

But this means the the powersupply is only in sleep mode only and uses bare min, to run and when you push the power on button you have life and then your picture.
Try this if and when it comes on and stays on, then it goes off on you, turn it off from at the wall and leave it for 5-10 min and try again, if it comes alive its a heat problem in the supply and maybe a dry joint which needs to be looked at.
If it does not try turning off and on at the set not at the remote, it could be the remote section is not working properly and have the same sort of fault. If you think it could be in the set up, try your sleep mode set up, it could be turned on, so check if the TV goes off at the same time say 5 min's everytime??

If it's the first fault you will have to get it back under warranty very quickly, these are inherent problems, companies want the dollar and not so much the quaility you get....

I hope I have helped???
P.s. if its the type where you have a power lead that plugs into the set and the wall Check that too, I have fixed many of things because the moulded lead has let the pins inside them open up..
Think basic first ok!

Posted on Oct 29, 2007

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Television turned itself off and won't come back on again


Tracy it sounds like a power supply problem, not anything you have done.This day and age the new electronics are only built for min running requirement, as in the working capacity of the power supply.Not like a few years ago when things where built to last and some still do.

It has a standby mode thats why most things have a led to show you if its on or off.This only come about for some reasons and that was to keep the old Tube Type Teleivision warm so you have instant picture, if you have turned this type of teleivision off at the wall it would take a few minutes to get a lets say a stable picture.
Enough of showing my age.

But this means the the powersupply is only in sleep mode only and uses bare min, to run and when you push the power on button you have life and then your picture.
Try this if and when it comes on and stays on, then it goes off on you, turn it off from at the wall and leave it for 5-10 min and try again, if it comes alive its a heat problem in the supply and maybe a dry joint which needs to be looked at.
If it does not try turning off and on at the set not at the remote, it could be the remote section is not working properly and have the same sort of fault. If you think it could be in the set up, try your sleep mode set up, it could be turned on, so check if the TV goes off at the same time say 5 min's everytime??

If it's the first fault you will have to get it back under warranty very quickly, these are inherent problems, companies want the dollar and not so much the quaility you get....

I hope I have helped???
P.s. if its the type where you have a power lead that plugs into the set and the wall Check that too, I have fixed many of things because the moulded lead has let the pins inside them open up..
Think basic first ok!

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