[time-nuts] 5372A A7 CPU board

Bob Bownes bownes at gmail.com
Tue Jan 3 00:11:00 EST 2017


I took a lot ok through the service manual, but didn't see the A7 schematic. 

Is it someplace non obvious?

Thanks!

> On Jan 2, 2017, at 23:00, John Allen <john at pcsupportsolutions.com> wrote:
> 
> Hi Bob - I have a OCR'd service manual with schematics.  There is also one on the KO4BB site
> http://www.ko4bb.com/getsimple/index.php?id=manuals
> 
> I can post mine if that one isn't sufficient.
> 
> Regards, John K1AE, Bolton, MA
> 
> -----Original Message-----
> From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Bob Bownes
> Sent: Monday, January 02, 2017 8:13 PM
> To: Discussion of precise time and frequency measurement
> Subject: [time-nuts] 5372A A7 CPU board
> 
> 
> I have the CPU board 05372-6007 out of my 5372A this evening to replace the battery. While looking at it, I see jumpers for 64/256K and 512k/2M. 
> 
> I suspect the 64/256 is for the RAM as it is located next to the (non socketed) RAM. 
> 
> Does anyone have a schematic or listing of what all the jumpers are for?
> 
> Thanks!
> Bob
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