While you wait for answers, we may have found some information which could help you.
Success
Message
panasonic DMR-EX78 recover HD information?
dvd draw wont stay shut?
how do i remove a disc?
Voltage Regulator?
How to fix F61 on Panasonic SC-PT750 DVD Home theatre Sound System?
I have a Panasonic DMR-EZ49V Video Recorder ?
md4020 voltage regulator?
U61 Code?
Panasonic DVD Recorder Screen 'Noise'?
How to mend Panasonic dvd player dmr ez49v?
Bit rate display removal?
Panasonic error code display F06, what does it mean?