While you wait for answers, we may have found some information which could help you.
Click here for Starts Up Switches Offpanasonic DMR-EX78 recover HD information?
md4020 voltage regulator?
I have a Panasonic DMR-EZ49V Video Recorder ?
Bit rate display removal?
Panasonic error code display F06, what does it mean?
how do i remove a disc?