Having problems with your Flat Panel Televisions ?

I have a Pioneer Pro-505PU with a PDP R04U receiver unit that handles the I/O and other functions, RF etc... I cannot seem to get a picture to the TV. It turns on but the controls on the side of the TV do not seem to work except the standby button, no inputs, nothing on the screen. Again, it turns on the screen is illuminated black. I believe the PDP "brain" unit is dead. I was going to attempt to 9pin serial port into the unit using windows XP hyperterminal. Thanks



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