SOURCE: samsung ps42c91h plasma screen pc connection
u must use 60 herts 1024x768 on screen out ok try this
SOURCE: PLASMA DISPLAY STARTING UP. PLEASE WAIT
Un plug the power to the Plasma Screen and also to the Media Receiver for ten minutes. Disconnect the off the air antennas both A and B. After ten minutes plug in the plasma screen then the media receiver and turn on wi the remote control. You should now be back in operation. I was.
Also It may not be a bad digital tuner. The TV Guide feature is active even when the zip code is set to all 0s so if you have an over the air antenna attached the TV will look for the TV Guide info and if it can not find it because of a weak signal or the chanel it is tuned to does not carry that information the TV thinks that tuner does not work which triggers the 12 flashes. Also on power up the gray box with the waring message "Plasma Display Starting Up, Please Wait" appears and the screen is blank.
SOURCE: Cracked plasma
The screen unit is not repairable. You would need a new replacement screen unit. The cost would be greater than buying a new TV set!
Jerry G.
SOURCE: 50 " Samsung Plasma TV
Get the tech supplier to tell to the manufacture and the store what he told you.
Physical damage on any electronic device is very hard to have serviced under warranty. I have never seen a plasma display crack on its own. But, anything can happen.
I once saw a man drop a newly bought plasma TV in a parking lot outside from where he bought it and the screen broke. He never even made it home from the store!
Maybe you should contact a lawyer or someone who can give you legal advice about how to proceed with this. In different countries and different states the consumer protection laws are different.
Jerry G.
SOURCE: rolling horizontal lines on the display of my plasma tv
if u r connected to an ant. it is due to poor signals from the ant so get a booster or amplifier for the ant.
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