Question about Panasonic TCP50C2 50 in. TV

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Panasonic TC-P50C2 won't turn on, no red stand by light, can hear a "buzz" when you get close to the power supply board.

Lost power during hurricane sandy after power came on the tv wouldn't turn on. there is no red stand by light and nothing happens when i push the power button, took the back cover off and i can hear a "buzz" coming from one of the yellow things on the power supply board.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: TV won't turn on.

hi i had the same problem,
did you check the fuse if it looks burnt out you can get a new one from a b&q or a hardware store

hope it helped

Posted on Oct 05, 2008

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  • 718 Answers

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

  • 979 Answers

SOURCE: My Panasonic Viera TH-42pz700u will not turn on,

Good day sir, hi, at this point, you have no choice but to bring it to a service center, replacing the power supply board is not the faulty part, you may need to measure voltages, from the ac mains to the board and to its power output to the entire TV. There are several possible fault part;

  1. the power cord
  2. the power switch
  3. the ac inlet that accepts the power cord to the board.
If these things are thouroughly checked then you have no choice but to get professional help from the service center or dealer.

Posted on Nov 06, 2009

  • 380 Answers

SOURCE: My panasonic TH-42PZ700U shut off and will not

What is the red light blinking before the pause? If you mention that, it'll be a big help on diagnosing the problem.

Posted on Jan 15, 2010

djchillsnyc
  • 151 Answers

SOURCE: tv wont turn on. power button blinks

if your tv is blinking you are still okay but your set needs service, maybe some board or circut is defective. this happens with panasonics, they have a blink timer. they blink a certain number of times. this blinking feature is called safety mode, you find the part that is fualty according to the number of blinks, you can find out what fualty part is cuasing the tv not to go on by downloading a service manual in pdf format or finding the blink codes, how many times does it blink count it carefully i may have a manual here and maybe can tell you what to replace.

Posted on Jun 03, 2010

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Probably the A board faulty, Visit this site on Youtube
https://www.youtube.com/watch?v=awnrE3k_G2M

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