Hi PAM layton,
First of all, thank you for posting your question here at Fixya.
4 blinks on Panasonic TH-50PZ80U is an error code for
faulty P- board (power supply board). It will encountered once the P-board gone to malfunction.
My first advice is to unplug the unit from the outlet for at least one hour and then check if the error code remain the same. If yes, you have to replaced the P-board to resolve the issue. Click it
HERE to order online. Please double check the actual part/board number of your board, it is printed on the board itself, this is to ensure you will get the right board for your unit. P- board is where the power cords directly connected.
Replacing this board is not technical, let the unit unplug from the outlet overnight to drain any voltages from the power supply board, open the rear cover. Pull-out the connectors, unscrew the defective P-board, put in the new board and replaced the connectors and ensure that they are properly seat-in. No soldering required.
Please let me know if you need further assistance.
Ratings and feedback are highly appreciated!
Have a great Holidays!
Jdvillanueva
Sorry it's a panasonic tv
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