[Test-Equipment] HP 8552

[Mark Donaldson]

Good suggestion but the 141T is not the problem since
I do have a working spectrum analyzer plug-in that
does work OK in the 141T, the problem is in the 8552,
any more ideas.

Mark WA1QHQ


--- Gary Schafer <garyschafer at comcast.net> wrote:

> The jumper is in the terminator plugs that go on the
> back of the 141T. If I
> remember right the jumper has to be in place if you
> are using the 8553 rf
> plug in but is not required for the 8554 plug in.
> If you don't have the terminators that go into the
> jacks you can put a
> jumper wire on the proper pins. It is the center
> conductors of two of the
> coaxial connectors in the jacks. Don't short them to
> ground!
> 
> 73
> Gary  K4FMX
> 
> > -----Original Message-----
> > From: jeremy-ge [mailto:geoffrey at jeremy.mv.com]
> > Sent: Friday, April 18, 2008 3:04 PM
> > To: garyschafer at comcast.net; Discussion of
> Electronic Test Equipment
> > Subject: Re: [Test-Equipment] HP 8552
> > 
> > Where and what is this jumper??
> > 
> > Geoff
> > 
> > 
> > ----- Original Message -----
> > From: "Gary Schafer" <garyschafer at comcast.net>
> > To: "'Discussion of Electronic Test Equipment'"
> > <test-equipment at mailman.qth.net>
> > Sent: Friday, April 18, 2008 2:39 PM
> > Subject: RE: [Test-Equipment] HP 8552
> > 
> > 
> > > Be sure that you have the jumper in place on the
> back of the 141
> > > mainframe.
> > > The sweep trigger goes thru there depending on
> what modules are
> > installed.
> > >
> > > 73
> > > Gary  K4FMX
> > >
> > >> -----Original Message-----
> > >> From: test-equipment-bounces at mailman.qth.net
> [mailto:test-equipment-
> > >> bounces at mailman.qth.net] On Behalf Of Mark
> Donaldson
> > >> Sent: Friday, April 18, 2008 10:49 AM
> > >> To: test-equipment at mailman.qth.net
> > >> Subject: [Test-Equipment] HP 8552
> > >>
> > >> I have 2 HP-8552 spectrum analyzer IF sections
> that do
> > >> not provide an auto sweep output anymore. The
> manual
> > >> scan mode works somewhat, it will move the
> trace on
> > >> the far right side of the 141T display. This
> problem
> > >> is associated with the 8552 not the 141T
> mainframe
> > >> however it is possible that the IF section was
> damaged
> > >> by a 141T mainframe that had power supply
> issues.
> > >> Before I dig into this I was hoping somebody
> else has
> > >> been down this road and knows which part was
> likely to
> > >> have vented its smoke to cause what I am
> seeing.
> > >>
> > >>
> > >>
> > >>
> >
>
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> > >>
>
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> 
>
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