While you wait for answers, we may have found some information which could help you.
Click here for Dvd Remote PanasonicBit rate display removal?
How to mend Panasonic dvd player dmr ez49v?
panasonic DMR-EX78 recover HD information?
How to fix F61 on Panasonic SC-PT750 DVD Home theatre Sound System?
how do i remove a disc?
Voltage Regulator?