22 Jul
2012
22 Jul
'12
7:24 p.m.
On Jul 22, 2012, at 5:37 PM, Paul Anderson wrote:
I'm currently working on restoring a NRI 832
computer trainer. I finally got my oscilloscope on it. It looks like the clock isn't
running. You can see the waveform in this video. I tried both the fast(250kHz) and
slow(2Hz) clock. I'm just seeing noise from the power supply.
http://www.youtube.com/watch?v=RBV4QgQHq98
Sent from my iPhone
Hey Paul,
I got the schematic open, where were you measuring the clock signal from?
Rob
Robert Borsuk
rborsuk at colourfull.com
Colourfull Creations
http://www.colourfull.com