When your TV doesn't turn on like and it automatically shuts off like that it is because it is trying to protect the circuitry from shorting itself much like a blow dryer or any bathroom appliance. Something else is bad and it is trying to protect everything else.
I had the same problem and it was the display module that was bad and it kept shutting off due to that reason. Have a technician look at it.
2 (at least) main possible problems. 1) media box( place where
you connect ant, cable hdmi) which controls on/off is bad. If that is the case, there's nothing you can do. Protron doesn't sell
replacement parts for their tv's.The other(main) possibility
is that there is a problem in the power supply.Only a technician can answer that question for you.If it is a power supply problem, the tech may be able to rebuild it for you.
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Try changing the input device to something you are sure, works such as a DVD player. Look for any loose contacts in RC jacks/sockets/Cable. Look for jammed buttons on remote and/or on control panel. Try removing the batteries from remote and operating from the control panel of TV. If these are ok, Switch off TV manually, switch off power, remove plug and retry after 48 hours. If problem persists, please refer it to a qualified service technician.
It is a common thing that all the buttons of a universal remote control might not work, as it meant to be. Try an other code. If this too won't help you, there is no other way than buy a new original remote control for your Panasonic TV. You can buy in from the authorized service center for Panasonic at your town. Just give them the exact model number to your TV. They will provide you the original one.
Your TV has two poweroff functionalities. First power off button is on saver mode least displaying any transmitter programs. Using the remote control to power off the device achieves screen saver poweroff mode. Second manually pressing on the power button after power saver mode has been achieved with the remote control device should shut down the TV tube entirely. The blue light should not display in whihc instance. Howerever, a full power off mode is incapable of being controlled by the remote control device whenver poweron is required later. The TV power shut down button has to be pressed again to alow for current circulation once more. Powering off the TV with the button on the set requiries momentary duration waits whenever to achieve display of signals depending on the size of the TV, and how many pheriperal device connnections are attahced to it.
refer to the TV user manual for possible diagnostic to any persistant conditions.
the remotes are usually multi function .. that is, they can control more than just the TV .. make sure TV mode is selected ... if its in VCR mode or Cable or whatever then it wont control the TV .. if its a programmable remote then it may have lost its program and would have to be set up again ... if its the original that came with the tv then that shouldnt happen . once in a while but not often i see a bad LED (at the tip of the remote) ... those are infra red so you cant see the light beam but a digital camera can .. point the remote at the digital camera and you should see the LED flashing in the cameras viewer when a button on the remote is pushed ...
You may just have a bad remote or the IR sensor in the TV may be bad. Bring the remote to a store that sells Protron and try it. You may be able to get a new one if it is bad http://www.protronusa.com/contact.php