Question about Panasonic TH-42PD50U 42 in. Plasma EDTV

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50" plasma monitor goes black

I am in need of technical advice. I have a Pansonic plasma monitor, model TH50PHD7UY, which is slightly less than 2 years old. Im am on a dish with a Tivo box, and a DVD player is connected. Up until about thee months ago everything was working well. And then one evening, after the set had been on for 3 or 4 hours, the screen went black and a notation "NO SIGNAL" appeared in the upper right corner. The next night after playing for 2 or 3 hours it happen again. And over the last few monhs is has gotten down to about one hour before it shuts itself off. I checked it with DVD player so as be sure the problem was not the Tivo. Any ideas as to what is causing this problem and how it can be fixed would be greatly appreciated.ultimate audia and video 949-474-1626

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

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SOURCE: Need help troubleshooting sudden "no signal" error

This is an issue with IC 803 on the Z board. This is a 3.3 V regulator that supplies this voltage to the slot card cage. Most input boards use this voltage EXCEPT the component board which is why it keeps playing along whike the DVI, HDMI, or composite signals will cut out after warm-up.

This is a surface mount multi-pin IC and is a bit tricky to replace.
The entire board is PN# TNPA3198xx with suffix determined by what model 7 series plasma you have.

This was a problem from around Nov. 2004 to Mar. 2005

T Wiz

Posted on Mar 25, 2008

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SOURCE: screen goes black after 1-2 hours

You need to have your television tuner tested for faulty components. Your problem is caused by the components in you tuner overheating and losing functionality. The tuner need to be thoroughly test and repaired. You can reach Panasonic customer support at this telephone number. 1-888-843-9788. They should be able to tell you what the problem is and where to take it for repair. I hope this information helps you with your problem.

Posted on May 22, 2009

  • 1 Answer

SOURCE: Techwood 42inch plasma

black line probl;em with this model is caused by dry joints on the resistors that are attached to the individual ribbon cables. a fairly easy fault to repair. but it means undoing all the screws and resoldering the resistors. once the back of the tv is off, locate the offending resistors and resolder them,Take the two screws that hold the ribbon cable assembly and gently lift out the ribbon cable. just use a hot enough soldering iron (mains or portable gas) and watch the solder 'flow' attach the ribbon cable. if you're careful, you can test to see if the fault has been repaired prior top replacing the cover. (make sure there's no pets or children nearby and be very carfeul as there's live mains within reach. once you're happy the fault has been repaired, put the cover back on. Its worth resoldering all the resistors just to save the fauklt reoccaring anywhere else. dominic :-)

Posted on Dec 02, 2010

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