Hi there. I also have a new inquiry if that's OK.
I have a 2008 DMR-EX88EB (UK Model) that now fails on the Self-Check process (instigated from the U61 code). I've managed to find the right Service Manual on the Internet and according to the Service Mode 'Error History' check, the corresponding explanation is 'Defect of Digital PCB or Communication Error'. Under Service Mode, there is also a 'RAM Drive Last Error' check that can be queried. This check brings up the error 'Bad disc or drive malfunction'.
Do you think that the RAM drive error is a result of the PCB error in the Error History Check? In other words, can I safely presume that the problem lies with the Digital PCB rather than the RAM drive?
After being inspired by your various posts about repairing various Panasonics by changing either the RAM drive or the Digital PCB, I was hoping to be able to rescue this machine by exchanging the faulty part rather than following the standard Panasonic statement of replacing both the RAM drive and the Digital PCB simultaneously. However, I'm still a little confused about the significance of the number of ribbon connectors between the RAM Drive and the Digital PCB. This machine has four - does that mean the Digital PCB automatically holds the alignment data of the RAM Drive? And would trying to source a compatible (and functional) Digital PCB be the first port of call in my quest for success?
Incidentally, the RAM/DVD Drive model is VXY2008 (this seems to be different from any other model I've read about in this forum) and the Digital PCB is a VEP 79184.
Many thanks in advance for your thoughts.