The problem is in the microprocessor ic, it controls selectors, display and mechanical devices. Did you have a recent thunderstorm? which would explain why it is none functional, this is a long shot, unplug unit from wall receptical and any other wires that are attached, now press and hold power for 60 seconds to drain residual voltage in attempt to reset the processor, if this fails cheaper to replace player.
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when powering on ther is no data on display, it just lights completely blank as if the unit is not booting up. I guess you can say that the firmware has been erased. I tried to intinalize and even up grade but no of the buttons function
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