atkinsonrr;277716 Wrote: > I bought two of the (semi-famed) Power One HB5-3 power supplies. I use > one for my Squeezebox 3 and was planning to use one for the Duet I had > on order. > > OOOPPS!! > > The Duet needs 9 volt in, not 5. Hmmm... Anybody know how to change > the HB5-3 to 9 volt? Just a matter of a resistor or two I am guessing, > but anybody know which ones? > > I found the datasheet for the LM723N used in the Power One here: > http://www.chipcatalog.com/ST/LM723N.htm > > The datasheet shows schematics for applications, and I'm guessing the > schematic that applies to the HB5-3 is either schematic #16 or #17, but > that's as far as my limited electronic neurons take me...
Unless the DC voltage going into the regulator is higher than 9vdc, changing the resistors won't give you 9 vdc. -- CPC ------------------------------------------------------------------------ CPC's Profile: http://forums.slimdevices.com/member.php?userid=12336 View this thread: http://forums.slimdevices.com/showthread.php?t=44521 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/audiophiles
