I'm not even sure what the machine is. Can you give a little more information on what it is? Dwight
> Subject: Re: Linear Power Supply (Conversion Equipment Corp) from a basic > four 510 > To: [email protected] > From: [email protected] > Date: Mon, 13 Jul 2015 18:28:56 +0200 > > Thanks, yes you are right. And it is fixed now. Would have been more > easy with the schematics on hand. > > But the 510 does not seem to start, may be the mini test program i have > (to boot from terminal) only works with the model 210 and not with the > 510. (http://basicfour.de/cpu/small/index.html) > > Would really like to have the cpu documentation, than it may be possible > to write some test code. (1300 CPU Technical Manual and/or M1300 Series > CPU Organisation and Description Reference Manual) > > > > > On 07/10/2015 08:19 PM, dwight wrote: > > > >> Date: Fri, 10 Jul 2015 11:03:14 +0200 > >> From: [email protected] > >> To: [email protected]; lnx.armin.d:On-Topic and Off-Topic Posts > >> [email protected] > >> Subject: Linear Power Supply (Conversion Equipment Corp) from a basic four > >> 510 > >> > >> The one from my 510 does not supply the main +5V, all the other voltages > >> are present. Does someone have a schematic for that one, would me more > >> easy. > >> I have uploaded pictures here: http://basicfour.de/mai510-PSU/small/ > >> > >> Thanks a lot > >> > >> Armin > > Linear supplies are the easiest to fix. Most of the circuits use 723 that > > are straight forward regulators. The MC3302 ( LM339 ) is most likely > > an over voltage detector or such. > > Get a data sheet for the 723 and I suspect you'll be able to trouble > > shoot with just that and no actual schematic. I think places like Jamco > > still have these chips. > > Locate the one used for the +5 and measure the voltages on > > the pins. It will most likely tell you the issue. > > Dwight > > > > > > > > > -- > > ---------------- > Grüsse > Armin Diehl > [email protected] >
