[time-nuts] Z3816A Control and Cleaning

[Glenn Little]

Tektronix used to clean their oscilloscopes in a soap and water bath 
in something like a dish washer.
This was published in Tek Scope V4 #4 July 1972.

Glenn
WB4UIV

At 10:13 PM 1/23/2014, you wrote:
>Joe
>Been a while. Sounds like a reasonable approach with the soap and water.
>The key is not to force water into the inductors. I take soapy water and a
>tooth brush it works wonders. Then dry in an oven at about 100 degrees just
>to drive off the moisture. Very gentle.
>I guess the other point is to get a better feel for the gunk. Does soap and
>water do it. The fact that IPA didn't is interesting. It may be oil based.
>Good luck
>Paul
>WB8TSL/1
>
>
>On Thu, Jan 23, 2014 at 9:41 PM, J. L. Trantham <jltran at att.net> wrote:
>
> > I recently acquired a Z3816A as a 'spare' and it does not work reliably.
> > The ALARM LED sometimes comes on and sometimes doesn't.  Sometimes it
> > tracks
> > and locks appropriately and other times it goes into HOLDOVER.  The main
> > PCB
> > is very dirty and has the appearance that it has been in a humid and dusty
> > environment.  I am suspicious that there are some 'leakage' issues related
> > to this dirt and would like to wash the board.  What would the group
> > recommend for cleaning the board?  I sprayed it with 91% IPA and used a
> > paint brush to try to clean the board.  Some improvement but still dirty.
> >  I
> > was thinking of warm soapy water with a paint brush followed by warm water
> > followed by 91% IPA followed by a hairdryer then an hour or two in an oven
> > at about 100 to 150 degrees F.  Thoughts?  I'm a bit concerned about the
> > inductors and the possibility of water leading to problems with them.
> >
> >
> >
> > Also, I seem to recall a command that can be sent by SatStat to change from
> > GPS time to UTC time but I can't find it in my files.  Is there such a
> > command or am I hallucinating?
> >
> >
> >
> > Thanks in advance.
> >
> >
> >
> > Joe
> >
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