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Hi we have just purchase a panisonic plasma TH-P54V20Z, and when I turn it on, it flashes green, then red for some reason. Any Ideas?

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Panasonic TH-50PZ Plasma TV won't come on.

I had the same issue twice with a TH 42PWD5. turns out it was my UPS that was killing the switching power supply. Warranty covered it but when I removed the UPS not a single issue in 3 years. 

Posted on Jul 01, 2008

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  • 1 Answer

SOURCE: Flashing red light, screen doesnt turn on

http://recycledpapyr.us/2009/03/26/blown-power-supply-on-philips-plasma/

I found this solution in an other forum , don;t now if you are experiencing the exact same problem though

Posted on Oct 12, 2009

  • 1 Answer

SOURCE: red light flashes 10 times - Panasonic TH-42PX6U

I bought this tv in August of 2008. First episode occurred in October of 2009 - after manufacturer warranty had expired. It returned back to normal. Second episode occurred in March of 2010 and never got the unit to power up.

I had an electronic service center check it out. Turns out it's a defective power unit that's misfiring. The misfire triggers the overheat error code.

Panasonic retailer wanted $575 for parts and labor.

Service center executed finely and strapped on a 6 month warranty for $375.

I will be faxing a copy of the invoice and original receipt for a reimbursement.


Posted on Apr 02, 2010

tvhelp-Dave
  • 178 Answers

SOURCE: TH-42PZ80U Panasonic Plasma, red light flashes 10 times

Panasonic said "A" board,
A board SOS Detect (Explanation)
10 Blinks SOS: The voltage regulators IC5400 and IC5401 in the A board generate SUB9V and SUB5V. The 9V and 5V from these ICs are monitored by IC1100. Any abnormality on the SUB9V or SUB5V lines, triggers the shutdown circuit and the MPU shuts down the unit. The power LED blinks 10 times.

But need to measure the connection SC2, if it short, it will be the SC board.

The knowledge obtain from: Real case of repair by myself.
Information from Panasonic training manual.

Posted on May 10, 2010

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