[time-nuts] Need sevice manual or schematics for Fluke 103A

phil fortime at bellsouth.net
Thu Jul 16 03:04:46 UTC 2009


The Fluke 203A is the 1 MHz Distribution Amplifier
What's the 103A manual worth ?

----- Original Message ----- 
From: "Dave M" <masondg44 at comcast.net>
To: <time-nuts at febo.com>
Sent: Wednesday, July 15, 2009 10:39 PM
Subject: Re: [time-nuts] Need sevice manual or schematics for Fluke 103A


> 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" <masondg44 at comcast.net>
>> To: "Yahoo Manual Exchange" <Manual_Exchange at yahoogroups.com>; "TimeNuts"
>> <time-nuts at febo.com>
>> 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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