Question about Panasonic Th-42px25u/p 42-inch High-definition Plasma Tv

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Hi! I had posted a few days ago, about my Panasonic plasma TV, Model No. TH-42PX25, not turning on. I also had asked where to get the service manual for this set.

The set seams to want to turn on then shuts down into a black scream. I also notice when turning on the set, I get 12 green blinks from the lower left side led. I took the cover of and found two slightly bulging caps,. I checked the caps and they were found to be good. My other Q is? do transformer T-401 on the power supply panel,# TNPA2889 has a thermal fuse? Can u help me with this problem?

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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  • 39 Answers

SOURCE: Panasonic Plasma TH-42PV500H goes blank on power up

RKUMAR-ALL BLINKING LEDS ARE DIAGNOSTIC CODES WHICH NEED TO BE COUNTED PER SEQUENCE AND REFERRENCED TO A PANASONIC CODE CHART,COUNT THE BLINK SEQUENC AND LET US KNOW.JOE TV

Posted on Dec 17, 2007

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djchillsnyc
  • 152 Answers

SOURCE: Panasonic th-50-px50u power indicator blink 6 times - no pic

hello, 7 blinks means you have a fualty ss board its bad or needs service


SS Board (SS Data Energy recovery and data driver)


thats the fualt for 7 blinks

Posted on Dec 14, 2008

  • 1 Answer

SOURCE: Panny TH-42PZ80U Plasma TV No display on Power-up

I had this same exact issue. Panasonic sent a repair tech to my house since I was still under warranty. The tech was able to fix me up in about 10 minutes. He replaced the "brain" or A-board and now I'm back in business. This is NOT a power supply issue. The brain is the circuit board that has all the inputs attached to it (component, hdmi, etc...).

hope this helps!

Posted on Aug 27, 2009

Testimonial: "thanx, had a suspicion it wasnt P/S"

phil_frye
  • 295 Answers

SOURCE: Panasonic plasma 50PZ85 power led blink 10 times

Either a bad power supply or a bad processor board.
A Good Service Shop should know what the 10 blinks are indicating.
May be a repair cost between $200 and 400 dollars.
Be prepared -
Blessings,
A/V Media Guy

Posted on Nov 22, 2009

  • 8457 Answers

SOURCE: TH-50PZ80U POWER INDICATOR LIGHT KEEPS BLINKING

Power board it dead,take the tv aparts.Check for Capacitors parts for puff up or burst open.Know how to solders?replaced these capacitors in the power board.Or replaced the whole power board.Tries Shopjimmy.com,Ebay.com.

Posted on Jan 19, 2010

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I need some feed back on questions I posted a a couple of days ago, about Panasonic TH-42PX25, not turning on.


This could be a problem with the power board. Please have a qualified technician check or if non is available just change the power board all together. Please if you get stuck let me know.

Nov 17, 2016 | Panasonic Televison & Video

1 Answer

Please help diagnose problem with Panasonic TH-50PC77U Plasma HDTV


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Oct 31, 2015 | Panasonic TH-50PC77U 50 in. Plasma TV

1 Answer

I have a Panasonic TH-42PX25 that was running fine. Turned it off the other night, next day I powered on but no picture. It seems like there is a very faint glow to the screen, but no picture. Just a


Sounds like main power supply regulator board is faulty. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Nov 24, 2014 | Panasonic Televison & Video

1 Answer

Green and black screen when I use turn Direct TV box


Try changing the input device to something you are sure, works such as a DVD player.

Switch off TV manually, switch off power, remove plug and retry after 48 hours.

If problem persists, please refer it to a qualified service technician.

Aug 02, 2012 | Panasonic Viera TH-42PX80U Plasma TV

1 Answer

Th-42px25 red picture, no blue or green


If using component cables check connections at TV or from source. If all rae ok the try source on another tv before getting video input circuit board replaced on tv

Dec 14, 2009 | Panasonic TH-42PX25U/P 42 in. Plasma HDTV

1 Answer

Panasonic th-50-px50u power indicator blink 6 times - no pic


hello, 7 blinks means you have a fualty ss board its bad or needs service


SS Board (SS Data Energy recovery and data driver)


thats the fualt for 7 blinks

Dec 14, 2008 | Panasonic TH-42PD50U 42 in. Plasma EDTV

2 Answers

Panasonic Plasma TV Repair info


Hi rob,

Please provide the service manual to easy find the correct service manual you want. Or you can try to these site to get free plasma tv repair service manual:

http://www.fastrepairguide.com
http://www.plasma-television-repair.com

Hope this will help you to get what you want.

Have a nice day,
Ken

Mar 31, 2008 | Televison & Video

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