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Panasonic Viera 50 plasma tv, model TH-50PX60U, no picture, no sound and power light flashes 10 times, off 2 seconds, then repeats the cycle.

I have a Panasonic Viera 50 plasma tv, model TH-50PX60U, purchased in 2006. The TV has worked flawlessly since purchased, but just recently stopped working, i.e., no picture and no sound, when powered on and the red power on light flashes ten times, then goes dark for two seconds and then repeats that pattern instead of remaining on without interruption. The Operating Manual does not provide a clue as to what the flashing power light means or otherwise provide any assistance with diagnosing the issue. Seeking any information as to what the flashing power light signifies or other troubleshooting insights to diagnose the problem with the TV. Thank you in advance for any and all assistance with this problem.

Posted by Anonymous on

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DO NOT change the main board unless you want to waste some money as it will not fix the set, I've seen this issue you have many times, this flash code means P board issues. In almost every case it's been bad caps, there will be 3 larger caps on the sustain or P board, they will have a slight bulge to them and be defective, new ones can be ordered from digikey and soldered in or you can change the board if you can find one.

Posted on Jan 17, 2023

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abdulrahim ali

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Mostly 10 blinks on panasonic means main board is faulty, you need to replace it

Posted on Jan 16, 2023

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  • Larry Jan 16, 2023

    This will not be a main board issue, see my post for some help

  • abdulrahim ali Jan 17, 2023

    Well noted


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When the Panasonic TH-50PX60U is turned on, the button beside the power switch flashes 10 times, stops and repeats the flashing. The tv will not actually turn on.

10 times red light blinking shows problem with PA board and/or H board, both boards are available in for $35 and $45
Replace required board to solve this issue.
Hope this info will help you.

My set wont come on.

The tv power supply board is dead.That the board where,the power a/c cord plug into it.That the power supply board.Tries websites like to buy a whole refurbish power supply board for the replacement.

Panasonic Viera TH-50PX60U Plasma is stuck on one channel. Only the power function works on the remote and only the On/Off function works on the TV. Any ideas??

Forced to factory default: press and hold [VOLUME ( - )] on the TV and press [MENU] on the remote 2 seconds. Exit: Unplug Power to reset.
If it does not help, the main board need to replace. For further questions, please add your comment.

Error codes. no picture or sound after turning

When the SUB5V or MAIN9V/SUB9V, short or over-voltage 15V short condition occurs, the TV shuts down and the power LED blinks 10 times.

Panasonic th-50px60u power indicator is blinking 10 times

There are two guides, one for 10 blinks at power on:

or, 10 blinks at plug in:

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