If there's anyone in West Yorkshire with a working BBC Master

John Honniball coredump at gifford.co.uk
Wed Aug 6 16:02:57 CDT 2008

Tony Duell wrote:
> That sounds right. Assumeing all this works, it's very liekly the battery 
> has gone flat. AFAIK it's 3 AA-size primary cells (non-rechargeable) in 
> series. Officieally you were supposed to replace the whole assembly with 
> the Acorn spare, but I have no idea why (other than Acorn could then sell 
> you a spare). I just repalce the cells and have had no problems.

I have done exactly that, just replace the three AA cells.  I took
some photos, too.  The battery pack:


and the location of it in the machine:


Really early Masters had a lithium battery right up next to
the keyboard and speaker, but these tended to catch fire!
Most machines were changed to use the three AA cell pack.

John Honniball
coredump at gifford.co.uk

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