[time-nuts] HP 3458A schematic/service manual request

[Pete Lancashire]

another shot is to call/email a few calibration/met outfits. if they have work
on a few 58A, they may be able help at least narrow down what is wrong.
you will have to use your negotiating skills on what you may have to pay.

it has worked for me in the past.

-pete

On Mon, Jun 7, 2010 at 5:54 PM, Robert Benward <rbenward at verizon.net> wrote:
> Hi Jeff,
> I checked the Agilent website, and I assume you did also.  There is no
> schematic to be had.  What I have discovered with Agilent, is that certain
> instruments are made by particular divisions.  Some of those divisions
> consider those schematics to be proprietary and they will not release them
> now, not in the near future, and may never be released.  I ran across this
> with an LCR meter I bought on EBAY.  I tried to get schematics, as I thought
> he repair would be relatively simple.  It passed self test, appeared
> functional, but very erratic.  I thought the problem would be within the
> first few components near the front end.
>
> I called the factory more than once, but the line I got was exactly what I
> described above.  I looked everywhere, but to no avail.  I hope you have
> better luck than I did.  Maybe you can find a parts unit on EBAY cheap.
>
> Bob
>
>
>
> ----- Original Message ----- From: <jeffhook at comcast.net>
> To: <time-nuts at febo.com>
> Sent: Monday, June 07, 2010 7:26 PM
> Subject: [time-nuts] HP 3458A schematic/service manual request
>
>
>>
>>
>>
>>
>> Hi,
>>
>>
>>
>> I picked up a non-working 3458A at a swapmeet this weekend.
>>
>> It has err "202 Hardware Failure : Slave test-convergance".
>>
>>
>>
>> "Assembly-Level Repair Manual" says its a problem on the A1 board
>>
>>
>>
>> Does anyone have a schematic/service manual for this?
>>
>>
>>
>> Thanks
>>
>> Jeff
>>
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