I finally got around to replacing the memory chip. I bought two from vintage planet on ebay.co.uk (Hi Senso!), which arrived very quickly. Unfortunately so did the ‘flu.. Anyway, I…

This may or may not be the SR-99 I replaced the battery clip on in an earlier project. There’s a video associated with that: https://www.synteknik.com/samples/edc-sr99.3gp Anyway, although it appears to…