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We're you able to get your issue resolved? There is a setup dialog in HT basic where you set the default GPIB interface to be used. It's the same setup dialog that is used for serial ports, printing

Hello, I'm assembling an option 001 board to use with this generator. When I attempt to do the frequency calibration (cal option 86 also with alt frq cal option 00) I get "cal error" "value range".

Hi, I understand your frustration. These are excellent generators, but not easy to repair. But in this case, it would be repairable in my opinion, it would be enough to find the right transistor and

For the 8131A, could something else be overloading the output of the UPA104? For the 8116A, I'm sure I read that fan failure causes the hybrids to overheat & fail. David

Lol thats fair.? Just saying if your fault is on the transducer board, you might be more in luck.? And those transistor arrays aren't that complex. I've never had the 'pleasure' of owning one of

Oh there's no way I'm doing all that, I'd sooner sling the damned thing in a skip and cut my losses.? I did try swapping the UPA104 over from the other board and it didn't fix (or change) the

Hello, Maybe familiar to many, but a very nice revelation to me was the very good self test capabilities that are actually available to the user. With logging activated you get measured value and

Thanks Jared - that was *exactly* what I was hoping to find.

Some references indicate that the Ink is corrosive, ...? causing the Print Head electrodetoes to corrode away. A repair method, devised by

Have a look here too: https://www.eevblog.com/forum/testgear/replacement-knobs-feet-and-fittings-for-test-equipment/ It's a long thread, but there's lots of good stuff in there. Jared

The below might be a cheaper solution (pun intended) to making ones own DIY black ThinkJet Ink. -- If so, what were the printing results ? The vendor? ( no affiliation ) ? *states* that it is

Shipping would be? *to* North America / US, ... so likely better if the 2225a spare printer came from same area. thank you,

Thank you - I found it (and a couple other things) that I needed. Hal

Search on Thingiverse or Printables for "hp button" or "agilent button". -Dave -- Dave McGuire, AK4HZ New Kensington, PA

I recently went looking - without any success - for a 3D model of a HP power button cap.? It may well be my Google-fu is off today but I really couldn't find any HP parts to speak of. Does anyone

KO4BB needs to replace his sites security certificate. The current one was short lived in 2018! Dave 'KBV. -- Created on and sent from a Unix like PC running and using open source software:

The first thing that comes to mind for me is something like "did the environment/temperature change, triggering a marginal component in the PSU to no longer work properly?" Wilko

Hello, I saw the other thread related to repairing of the 8360 series and I have some questions related to upgrades and conversion from 836x1B to 836x0B. 836x1B were made for 8510C which is fine but

I guess I should clarify that everything else looks fine on the display. I have a grid, all the correct characters, and everything else is working but the sweep trace is on the bottom grid line no

Thanks Michael. I have yet to check the rails with a scope, but for sure if the replacement A4A5 board doesn't get me going the display section troubleshooting will start there. I have to find some