Date   : Tue, 18 Nov 2008 22:15:21 +0000 (GMT)
From   : info@... (Sprow)
Subject: BBC PSU

In article <49233B23.5000809@...>,
   Phill Harvey-Smith <afra@...> wrote:
> The Beeb PSU supplies both +5V and -5V to the 
> main board. Looking at the circuit diagram it looks like it's only the 
> cassette input amps that use the -5V.

It runs fine without the -5V, just missing audio output,
Sprow.