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Folks, Many of you are? aware that I have been selling replacement brass gear sets for the 8640B on eBay for quite a while now. I happened to notice that someone referred to my gears in a recent post

It is the same as the one on a 3468A, so that 3D printed part should work. I have a printer; I’ll try printing one and see how well it fits my 3468A. I won’t be able to match the color, but I

Your will not find a switch cap from another manufacturer that will fit. These caps were made by HP for their own use. They do show up on eBay on occasion; expect to pay about $15-$20. -Dave -- Dave

I’ll take a look at the file but I’m not into 3D printing. I was hoping someone would know an available switch brand cap that would fit. What is at the front panel is actually just a pushrod. HP

“Ahhhhh... Wait! You power cycle your 3457A??? -Chuck Harris” Ha Ha! Not now I don’t. The button plunger is stuck in the ON position against the inside of the front panel! Have to power cycle

Hi, The mian issue is having software that works in linear mode. I use Windows 98 or XP and ELAN MCE. Not sure if MCE will work under Windows 3.1 Robert.

Hi Jeff, Could you contact me off-list I’ve tried to send you a PM but your mail is masked on groups.io and the only other address I have is your paypal address. You can reach me on

Oops, I replied to an earlier post - the more recent ones were not showing on my PC at the time. It looks like you've already been down the power supply checking road. If the power is good, then the

Hi could you please post a link to the EEV blog regards? 70000 user

The current draws seem about right. Did you check for line ripple on the supplies already? If you get two frequencies apparently simultaneously, this could be caused by severe modulation of the

hi all looking for service manual and clips for a HP 8592A 22 ghz spectrum analyzer Best regards Paul Bicknell? England

Hello, Many thanks for the comment! Tried with separate power supplies and got the same result. The currents indicated that the caps were working.? Do you have a recommendation on how to remove the

Robert: You said an old computer might be able to read the card. I have an old Compac Laptop from 1993. Windows 3.1 It has a PCMCIA port. Should the ROM/RAM PC cards work with it?? Wally KC9INK

Hello Jack, I would recap them - the Boeschert cartridges are known to be, um, leaky. Tam -- With best regards Tam HANNA Enjoy electronics? Join 15k7 other followers by visiting the Crazy Electronics

If it's the same size button as the 3468A/3478A, there's a 3D printable part which will do the job. http://www.eevblog.com/forum/testgear/list-your-test-equipment-score-here!/msg1255227/#msg1255227

Tam, I had switched the power supply of 53310A with my HP1650A for couple days. nothing changed.thus I decided to look somewhere else. Jack

What data / software are you trying to backup and what format are the files from Amtronix. I may be able to write them to a FLASH card or you. I can supply FR tools on FLASH if anyone needs it. Robert

Hi, I have actually done this with the older 892xB testset (the E8285A is the same generation) and am confident in my comments above. The earlier test sets are NOT PC based so will not work with cards

Still trying to find any information on these service notes microfiche sets. Seem to be really rare.? Thank you, Wolfgang, KI7PFX ----------------------------------------------------------

Tin whiskers in cavity? Sent from my 20" Texas sized iPhone....