Just to clarify and not get replys with links to old threads, I need to mention that I have read through all the team threads and others written on this topic, and I just want to get a fresh 2009 update on issues and external powering options for the PMD670/671 in a new thread from Marantz users.
In just the last year or so, I have had some of the same issues others have reported with Nimh rechargable AAs in the sled and having false battery failures where simply resetting the sled seems to fix it, and returns the display to showing full charge. I tried to grab the deck and clamping down on the battery door when it started failing last Sunday, and this just shut off the deck as others have experienced.
Now, I am thinking that giving up on the internals is the best option. I have seen references to different outboard solutions, both custom made and simply purchased at retail.
My questions are:
1. The recorder is labeled to accept DC from 13-15v, so does this mean a outboard battery must be in the same range?
2. Is it necessary to still have internals inside the recorder as a backup, or is this not needed with the right outboard power supply?
3. Is there a retail option like Radio Shack, where I can purchase a battery and a way to connect it off the shelf, no soldering?
Thanks in advance for your help !!!