Thanks for that, Phil. I have located a listing for a Fluke 203A manual,
but don't know yet if it's for the Fluke/Montronics Frequency Comparator or
something else from Fluke before they acquired Montronics. Waiting for a
reply from the vendor. If it's the right manual, I'll buy it rather than
bothering with scanning/copying.
I have not isolated the trouble.. without so much as a block diagram of the
innards, it's a bit difficult to get much figured out without making it a
summer-long project. The trouble is that the front panel phase meter and
the phase output jump around quite a bit, even when feeding the same source
into both inputs. It's like it can't figure out which frequencies to mix
for the comparison.
In a different vein, I also have a Fluke/Montronics model 203A Distribution
Amp.that I'd like to get into. It's set up for 100KHz, 1MHz and 5MHz
channels; all non-isolated. I'd like to see the schematics for the preamps
and output amps so that perhaps I could modify the 100KHz or 5MHz channel to
be a 10MHz channel, and provide isolation as well. Can anyone help with
the schematics for the 203A DA?
Thanks again, Phil; I'll be in touch if the manual turns out to be the wrong
one.
Dave M
masondg44 at comcast dot net
----- Original Message -----
From: "Dave M" <[email protected]>
To: "Yahoo Manual Exchange" <[email protected]>; "TimeNuts"
<[email protected]>
Sent: Wednesday, July 15, 2009 1:13 PM
Subject: [time-nuts] Need sevice manual or schematics for Fluke 103A
I have a Fluke (Montronics) model 103A Frequency Comparator that is acting
up. I have the Operating Instructions manual, but it has no schematics.
I'm looking for a copy of the complete service manual or the schematics.
I've looked at all the usual online sources for the manual, (I bought the
manual that I have from an online vendor), but no luck.
Can someone point me to a source?
Many thanks!!
Dave M
masondg44 at comcast dot net
Dave,
I have that manual and could perhaps scan "SOME" of the pages you need but
it is large or thick and all the schematics are fold out pages. Most of
the
manual is schematics. Have you isolated the problem to a board or section?
Phil
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