Yamaha CS80

what parts are you looking for?  There's nothing there that you can't substitute.

--- In yamahacs80@yahoogroups.com, "bcoopersloan" <mistercooper@...> wrote:
>
> Hello,
> 
> Would it be appropriate to replace the +8/-6.5 side of a CS-60 psu with a pair of adjustable regulators?  Its a pain finding some of the Japanese parts.  
> The digital portion of the circuit couldn't be more than a dozen or so CMOS, right? What kind of current requirements would be put on that supply? I've got NTE956/957 on hand so it would be an easy enough fix. 
>  Also, why the seperate COM1 and COM2 on the psu? To keep the digital noise out of the signal ground?  Should I get *roughly* correct reading measuring the +8/-6 rails from COM1? IE is something messed up if there is a big DC offset between the 15/-5 and the 8/-6 supplies?
> 
> Best,
> Cooper
>