On Thu, 2009-03-12 at 10:07 -0700, TheTravelSource Fes wrote:
> I tested at the 9v DC in point with the A/C adapter plugged in and
> batteries in place. The voltage came to 18V which I understood as the
> adding of the batteries and the A/C adapter. Any thoughts as to why
> that would/should be? Should there be a cut off of the batteries once
> the 9v adapter is plugged into the socket? Thanks for any further
> thoughts.
> By the way Diode 2 which prevents against reverse polarity was fine.
> -Johnb
>
>
Sounds a bit wrong, actually. That would mean that the batteries and
mains adaptor are in series. Is the adaptor the right polarity?
Gordon