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I have a Panasonic Panasonic Viera TH-50PX80U Plasma TV . My TV screen comes on sometimes and stays anywhere from 15 minutes to 5 hours and then it shuts off. Most of the time it goes on for 15 to 20 minutes then it blinks and picture goes off. I unplug it, let it rest for about 10 minutes. I plug it again, screen comes up and then it blinks red and the picture goes black. What's going on?
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Are the speakers' cables connected correctly? (p. 37) Is "Sound Mute" active? (p. 13) Is the volume set to the minimum? Is "Speaker output" set to "Off"? (p. 22) Change "SAP" settings. (p. 16) Check "HDMI 1 in", "HDMI 2 in" or "HDMI 3 in" settings. (p. 22)
Hope this helps, page# refer to your manual.
did you see the standby light? if no you have problem in main power
section maybe the fuse is blown you can locate the fuse at the power
main board, or if the standby light is light up the problem is the
inverter power supply and this section is need to diagnose to find the
defective parts...
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