Automobiles are NOT the cleanest environment in town. Is it possible
that dirt has entered the movement? Is it a highly sealed movement? I
sort of doubt that being an in expensive auto product. Does it have a
removable lamp on the meter where dirt could get in? Ira.
On 8/16/2021 3:53 PM,
Thanks guys, that pretty much lines up, with what I was thinking...Sadly,
since it seems to be frequency based, I don't see a failure mode that
would duplicate the problem I'm having other than the meter itself.
It's odd as the problem first showed up when the sense wire, connected to
the
Not my information nor do I have nay connection but according to
information in the group at Facebook there is going to be an estate sale
there which from photos shows rare nixies (ZM5680, looks like a few Rodan
CD12/27 or so and many many others) - so if you aren't a member in that
group
Hi Mike,
Many thanks for taking the time to walk around the circuit, that is most
appreciated and perfectly annotates your timing diagram...
WRT service manuals, I bought a SM for early bruel & kjaer 1618 Band Pass
Filter and that includes some lovely colourful block diagrams as well as
If you were wanting something in the clock direction, you could look at
adapting my Dekachron design (
https://groups.google.com/g/neonixie-l/c/Fe1yqXzWa_I/m/3vj9yGqIBAAJ) for
the Z502S. The board is set up for GC10B et al so you'd need to figure an
off-board mounting for the Z502S and wiring
