[Test-Equipment] Help with HP 70000 Spectrum Analyzer

[Chris Hackworth]

Yup, removed all the modules and it is still in Over current. I
removed the supply from the housing and set it up on the workbench by
itself and powered it up, still an overcurrent fault.

Chris N8PHU

On Fri, May 23, 2008 at 2:45 AM, Greg Werstiuk <greg_werstiuk at msn.com> wrote:
> Would it be correct for those of reading your post to assume you have
> removed all of the plug-ins and the over current condition still exists at
> this point?
>
> -
> Greg
>
>> -----Original Message-----
>> From: test-equipment-bounces at mailman.qth.net
>> [mailto:test-equipment-bounces at mailman.qth.net] On Behalf Of
>> Chris Hackworth
>> Sent: Thursday, May 22, 2008 8:27 AM
>> To: Test-Equipment at mailman.qth.net
>> Subject: [Test-Equipment] Help with HP 70000 Spectrum Analyzer
>>
>> Greetings all,
>>
>>   I have come into the possession of a HP 70000 Spectrum
>> Analyzer, consisting of the 70004A display, 70902A IF module,
>> 70900B Controller,  a 70001A mainframe with the 70310A
>> Precision Oscillator, 70600A preselector, all connecting
>> cables, manuals and 70905B Rf section (50Khz to 22 Ghz). I
>> got it for the princely sum of nothing, just haul it off the
>> company property because it was broken. The power supply in
>> the 70001A mainframe is showing an over current fault. I
>> checked the trip level of this alarm and it is set correctly.
>> Anyone else have a problem like this? Nothing on the power
>> supply card looks burnt or overheated, so I am thinking there
>> is a bad semiconductor somewhere on the board. The HP manual
>> reccomends replacing the power supply, but there is no way
>> that is going to happen.
>>
>> Thanks,
>> Chris N8PHU
>> ET1(SW) USN (Ret)
>> Chief transmitter Heavy SES-Americom
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>
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-- 
Chris N8PHU
ET1(SW) USN (Ret)
Chief transmitter Heavy SES-Americom