Tom,

Thanks.  Turns out the unit I have looks just like a 5328B.  Even if
it says "A".  The photos match the cards.    That is once complex volt
meter but will be worth it if I can get it working HP claims 0.03%
accuracy and a uV to KV range.

Chris



On Sat, Jan 28, 2012 at 8:26 PM, Tom Curlee <tcur...@sbcglobal.net> wrote:
> Chris:
>
> The theory of operation, along with the usual block diagrams, schematics, 
> etc, for the OPT 021 for the 5328B is in the 5328B service manual.  It may be 
> the same, or at least close enough to, the 5328A.  It's worth a try.  You can 
> download the 5328B manual here:  
> http://128.238.9.201/~kurt/manuals/manuals/HP%20Agilent/HP%205328B%20Operation%20and%20Service.pdf
>
> 73,
>
> Tom  WB6UZZ
>
> --- On Sat, 1/28/12, Chris Albertson <albertson.ch...@gmail.com> wrote:
>
> From: Chris Albertson <albertson.ch...@gmail.com>
> Subject: [time-nuts] Service manual or schematic for Option 21 DVM in HP5328?
> To: "Discussion of precise time and frequency measurement" 
> <time-nuts@febo.com>
> Date: Saturday, January 28, 2012, 7:38 PM
>
> Has anyone seen a sevice manual or a schematic for the HP-5328A Option
> 21 DVM.  I have the 5328A service manual but it says the DVM Option 21
> is covered in a separate manual.  Without a schematic debugging could
> take a long time as the DVM is spread over three plug-in boards.
>
>
> Thanks,
>
> Chris Albertson
> Redondo Beach, California
>
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-- 

Chris Albertson
Redondo Beach, California

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