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
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Re: [korgpolyex] Poly 800 A/C Adapter Issue
2009-03-12 by Gordon JC Pearce MM3YEQ