Panasonic Viera TH-42PZ85U 42 in. Plasma TV Logo
Posted on Apr 05, 2014
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Panasonic 42PD25 power solid light on no sound no picture

Turn power on, solid red light stay on but no sound no picture

1 Answer

The Knight

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  • Panasonic Master 76,851 Answers
  • Posted on Apr 05, 2014
The Knight
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Joined: Oct 14, 2010
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Main board fault. Contact any service technician. Gopakumar Gopalan Google

5 Related Answers

Anonymous

  • 1779 Answers
  • Posted on Oct 28, 2009

SOURCE: Panasonic TH-42PD25 The picture is black with

Make sure if your using the video input jacks, that the yellow is plugged into Video 1 and the same with the audio.Red & White. If your using Component, they are color coded- Red Blue & Green along with the Audio In -Red & White. It sounds like you have the video in the wrong jack.

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Anonymous

  • 1 Answer
  • Posted on Apr 02, 2010

SOURCE: panasonic lPT-51HX42F TV does not turn on but the

The power module may need replacement, but there amy be other problems Panasonic has a code built in if the light blinks count the blinks and they will know the source.

Anonymous

  • 36 Answers
  • Posted on Feb 07, 2009

SOURCE: Panasonic TH 42PX50U Red power light flashes 6 times

Most of the time when this happens it is the ysus board, that noise you heard was a capacitor popping. Another board runs about $175 and thats if you do it your self. A shop will most likely charge around 500-600, hope this helps, you could also try contacting panasonic and trying to get past the tech and onto casemanagement where you might get somewhere with an out of warranty fix.

Chi Chu

  • 8457 Answers
  • Posted on Mar 04, 2010

SOURCE: My Panasonic TH-42PZ700U 42in. TV doesn't turn on

Power supply board have dead capacitors.U know how to solders?Buy these capacitors to replaced them to have power back.Or u can buy a whole power supply board for the replacement at these websites Shopjimmy.com,Ebay.com for refurbish power suppply board.

Chi Chu

  • 8457 Answers
  • Posted on Nov 06, 2010

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.

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Hi
If you have changed your power supply then there is only one thing this can really be down to and i would say that is the main AV board as this sends a signal back to the power supply to tell it to turn on.
You AV board is the one with the scarts etc... This board also causes other problems of your TV powering up but no picture and no functions will work.
Change this board and im sure your problem will be solved.
There are no other boards in this set that control the start up side,so if you have changed the poiwer supply then it will be this board that needs replacing.
Hope this helps
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Panasonic TH-42PD25 The picture is black with

Make sure if your using the video input jacks, that the yellow is plugged into Video 1 and the same with the audio.Red & White. If your using Component, they are color coded- Red Blue & Green along with the Audio In -Red & White. It sounds like you have the video in the wrong jack.
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yeah, should stay red when unit is turned off, indicating there's power but it's doing nothing.

Per user manual:
Solid red - power off (standby mode)
blinking red - power off (now cooling)
blinking green - power on (preparing to light lamp)
solid green - power on
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WHEN POWER IS FIRST TURNED ON I HAVE A SOLID RED LIGHT BUT NO PICTURE. THEN YOU HEAR THE TV CLICK OFF. THEN RED LIGHT STARTS TO BLINK IN SET OF (3) TIMES.
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