4 Jan
2017
4 Jan
'17
3:58 a.m.
On Tue, 3 Jan 2017, Al Kossow wrote:
There are running LGP-30s. Should be short work with a
digital
oscillosope to capture the flux changes. Hopefully, someone has done
this already.
Of course, we did this initially in 1999 when we got our first LGP-30, and
a couple of times later on. The last time was a few months ago when we
suspected a bad sector/track, but it turned out that there was a 50 Hz hum
on the read amplifier supply voltage (an electrolytic cap on a module lost
its capacity).
We both have analog recordings (from digitizing scopes) and logic analyzer
dumps. So concerning the LGP-30, all relevant information about the drum
has been saved :-)
Christian