Electronics Repair Questions? Ask an Electronics Technician
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If the part # ***** searched for, it might prove to be available.
But an extensive search (without the part #, yet) shows nothing available.
The alternative is, to send it off to Panasonic repair (which has more or less inherited Technics products, by and large) and see if they will repair it.
Have you tried re-seating the cables to the display, both the signal cable and the power?
As to repair - doubtfully Mike Barden (who does some work on Technics products, but perhaps not on yours) might be worth inquiring with.