Question about Panasonic TH-42PWD7UY 42 in. EDTV-Ready Plasma TV

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Our 42" Panasonic Plasma tv

Our 42" Panasonic Plasma tv (TH-42PWD7)after watching it for an hour or so , the picture shuts off, still have audio. I can put in a dvd and watch it , it never shuts off then. We've had it a little over a year (no kids so its not watched that much)

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  • Anonymous Feb 09, 2009

    I will be watching TV, and probably every few minutes it just goes to a black screen for 2-5 seconds... Then turns right back on

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As posted for a similar problem:

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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