Question about Panasonic TH-50PHD7UY 50 in. HD-Ready Plasma Television

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TV screen turns off, green light stays on

It turns off after it's been on for a while. Sometimes I can still here the TV program. I turn it on, it styas for a few seconds and then off. Green light still shows. If I leave it for a half an hour, and turn it back on, it stays on for 1/2 hours and goes off again.

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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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Posted on Jan 02, 2017

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