Question about Panasonic TCP42C2 42 in TV

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My Panasonic tc-p42u1 turned off and started blinking red

My panasonic tc-p42u1 turned off last night then started blinking. i unplugged everything and tried to turn it on, and now the red light just comes on for a few seconds and then turns off and i can't get it come back on unless i unplug and try again.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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tvguy171
  • 106 Answers

SOURCE: Panasonic TH-42PX80U won't turn on.

You are missing 15volts. If this is a new TV, it could be as simple as a plug not fully seated on the power supply. Regardless, the repair should be covered by warranty and Panasonic is one of the best when it comes to taking care of the customer. Ifd nI can be of further assistance, let me know

Posted on Dec 21, 2008

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SOURCE: Panasonic 32 inch LCD TV will not turn on-red light flashing

The number of flashes is an error code. Count the number of flash. It looks like one of the boards in your set is failing intermittently. Panasonic codes for a guide as a starting point. Exact board STILL has to be verified;
One Blink: One blink of the power LED indicates a problem in the inverter circuit located on the LCD panel. The inverter board is not to be repaired in the field. Therefore a replacement is required.
Three Blinks: Three blinks of the power LED indicates an over-current or over-voltage condition in one of the DC supplies of the AP board. The AP board is repairable. Therefore the use of an ohmmeter and peak-hold-voltmeter is required to determine the cause of the shutdown. An over-voltage condition is definitely a defect of the AP board. An over-current condition may be due to a short circuit located in the AP board, A board, or the LCD panel.
Five, Seven, or Eight Blinks: The A board is responsible for five, seven or eight blinks of the power LED. The MAIN +3.3V, MAIN +5V, and MAIN +9V sources are all produced on the A board. The detection input pins of the MPU, IC1100, monitor for their presence.
Four or Six Blinks: The AP board is responsible for four or six blinks of the power LED. The DTV9V, and SUB_5V sources are produced on the AP board. The MPU IC1100 monitors for their presence when the unit is connected to AC Power. A short or open circuit on the A board may also be responsible for their absence.
Nine Blinks: Nine blinks of the power LED is due a short circuit in the audio output circuit (s) of the unit. The audio output circuit is located on the A board. Confirm the status of the speakers. If defective, perform a replacement. If ok, replace the A board.
Ten Blinks: Ten blinks of the power LED indicates a malfunction of IC4200, the frame converter. This IC resides on the A board. Therefore ten blinks of the power LED requires the replacement of the A board.

Posted on Feb 11, 2009

  • 2 Answers

SOURCE: TV turns off by itself & won't turn back on til unplugged, then plugged back in

panasonic 50" th50 turned off and wiil not turn on again.

Posted on Sep 08, 2010

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SOURCE: I turned on power and red light is blinking but tv

Tries unplug,replug the tv back like an hour later.The tv now,should resetting itself back to the factory setting.The tv should work now.Not,than the tv power supply board have problems,not giving the tv it wright voltages anymore.The tv power supply board that the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Posted on Nov 06, 2010

  • 1 Answer

SOURCE: my panasonic viera wont turn

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.

Posted on Nov 28, 2010

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