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You might want to try Torx screwdriver. There is a good chance that lobes on screwdriver would bite into hex pattern; a little tapping on screwdriver, while knob is supported on hard surface, might

Dear Colleagues, I need some help and or tips on how to remove frozen Allen set-screws like the ones found on equipment knobs. The typical scenario happens when trying to remove a stubborn set

hi all just got an HP547A current probe off Ebay for troubleshooting purposes; anyone knows of a downloadable op-manual? thanks Adriano

Greetings from a lurker and test equipment junkie :-) The USM-207 is not the same as a 5245. I have had both and I expect the circuitry probably isn't even the same. Although I didn't check the

----------------------------------- Dave, The only version of the HP 5245L that I've found on the LOGSA site is called the CP-772A/U (and maybe also the CP-772/U), which appears to be an

Hi I have a copy of the service manual(5245L) plus manual changes until June 1979. I can scan the pages or schematics you need. Regards.

Yes this is the one , unfortunately logsa only seems to have a partslist manual with exploded views etc , but no schematics ! Thanks anyway, but to solve my problem i need schematics ...

I think the CP-772A/U might be the one we are looking for BL <elbicon@p...> wrote: service

Hi Dave and all the List, I think it is not... When I was trying to repair my 5245M I fount a WEB page with links to the USM-207 manuals and, not, it is not same beast. It could be similar in design

Hi All, May be the USM-207 is similar but it is not the same beast. perhaps someone can shed some light on this 73's Gary VK2KYP

Is USM-207 the correct designator? From a quick comparison there seem to be some quite significant differences between the 5245L and the USM207-so much so I doubt the USM 207 manual may be much use

Hi Brooke, I have also been looking for HP5245 manual, thank you for this information. Is there a list to convert from civilian numbers eg HP-5245 to the military number in this case USM-207 thank

Hi Erik: Do a title search for USM-207 here: https://www.logsa.army.mil/etms/find_etm.cfm You'll find a number of manuals for the 5245 Have Fun, Brooke Clarke, N6GCE --

I posted an album with photos that I hope will make my question clear. Please view and help me if you can. Any comments about this unit and general assistance with HP documentation would be welcome.

Good morning Group, I recently purchased a 8557A that looks to be in good condition but I don't have a display so I haven't been able to check it out. Neither have I been able to find a service

Hello group, Trying to restore a 5245M counter , is there a downloadable service manual or schematics somewhere , 5245L would also do the job, for this one , and maybe some info regarding the

No problem Clif. Jeff

Thanks for trying and the link. I now have the manual. After several discussions with my web-hosting company it has been determined that to have a folder available for uploads requires some type of

Looking at datasheets at Pomona & Delta - Thats what they are - Twinaxial. Thanks for the response BL <brooke@p...> wrote: a rack

Hi BL: I don't have experience directly with this connector but there are a couple of shielded connectors that use two contact pins. One is called Twinax and the other is used on the R-390 tube type