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410C VTVM Test Leads Coax Type Help
Dear HP Group I'm starting a new restoration project and am need of any knowledge around the type of coax used on the test leads.? I've seen many videos (Curious Marc's was an excellent one), scoured
By Adam Attig · #141171 ·
Re: Old style oval HP power cords
Like others, I prefer to change these to regular IEC sockets and plugs on gear that I expect to keep for a long time. It's not too difficult to make the conversion. mostly needing a nibbling tool, a
By Ed Breya · #141170 ·
Re: Opposite problem: disintegrating Old style Oval HP Receptacle ( ... was Old style oval HP power cords )
This one's in good shape. If you can stand the extra parts that come with it. $15 incl postage. -- John
By John Griessen · #141169 ·
Re: Wtb: power switch for 3335A or front panel
Edit: clarification¡­the aluminum casting is the panel part other than the switch that I need, as there is a chunk missing from the edge of mine. For a reasonable price I don¡¯t mind buying a whole
By Ed Marciniak · #141168 ·
Wtb: power switch for 3335A or front panel
I have a 3335A with a broken power switch. I have the key cap, and just need a compatible switch or for a reasonable price, a front panel. Does anyone have something around they¡¯d like to part with?
By Ed Marciniak · #141167 ·
Re: Old style oval HP power cords
After you set up your pins/sockets on a nice new power cord, you can then use hot glue all around them to mold a new plug. Coat the receptacle with a bit of grease for form release first, inject, let
By Nick Andrews · #141166 ·
Re: Old style oval HP power cords
I have, in an emergency, crimped individual Molex-style female pins to the power cord wires, added shrink-tubing insulation, and then pushed the female pins onto the male pins of the connector in the
By Jeremy Nichols · #141165 ·
Re: Old style oval HP power cords
If you have the power cords with reversed hot/neutral that were commonplace for use on Friden calculators simply cut off the AC plug end and install a new one wired in reverse. I seriously doubt if
By Greg Muir · #141164 ·
Re: Opposite problem: disintegrating Old style Oval HP Receptacle ( ... was Old style oval HP power cords )
Note that these were made in grounded and ungrounded versions, there are a few that used the ungrounded variant with an inductor to the case, the 331A is one example. Also they are used for many other
By factory · #141163 ·
Re: HP8510B Reading and writing A13 EEPROM, problem with Xicor x28256
Hi Bruce, Thanks for the offer! Much appreciated, but what I really would like is to make sure I write to the EEPROMs?correctly. Is your impression that all writes work immediately or do you have to
By Staffan · #141162 ·
Re: Opposite problem: disintegrating Old style Oval HP Receptacle ( ... was Old style oval HP power cords )
I have a used one - good condition - that you can have. Thanks, Barry - N4BUQ
By n4buq · #141161 ·
Re: Opposite problem: disintegrating Old style Oval HP Receptacle ( ... was Old style oval HP power cords )
That is a PH-163 connector. Here's one: https://www.ebay.com/itm/266413553756 Paul -- Paul Amaranth, GCIH | Manchester MI, USA Aurora Group of Michigan, LLC | Security, Systems & Software
By Paul Amaranth · #141160 ·
Opposite problem: disintegrating Old style Oval HP Receptacle ( ... was Old style oval HP power cords )
I have the opposite problem: I have an instrument where the Old hp Oval Receptacle has disintegrated due to misuse or time. It is so bad that it causes intermittent AC mains issues and is on the verge
By gren · #141159 ·
Re: Old style oval HP power cords
I know that I haven't seen them around for a good long time. OTOH I have a big box of the more standard ones around here, including a few variations in color, some right angle, etc. I *may* have one
By Roy J. Tellason, Sr. · #141158 ·
Re: HP8510B Reading and writing A13 EEPROM, problem with Xicor x28256
If you wind up needing help, I can write a good Eprom for you Cheers! Bruce
By Bruce · #141157 ·
HP 54522A Firmware Re-flash Error
Hi, I'm getting an error when I try to re-flash the firmware from disk on my HP 54522A oscilloscope that I purchased a year ago. The scope has been working fine for a year and started giving me
By maltman01@... · #141156 ·
Re: Old style oval HP power cords
Hello and happy new year to the group. I have a number of older HP test gear that has the small 3 pin cords and also have the correct cords. What I am seeing is the typical 40 year plus plastic/rubber
By paulswed · #141155 ·
Re: Agilent E4406A / 16700 CPU issue
I am not sure if this will help but my E4406A had a black screen after power on. I removed the 2 daughter boards on the motherboard (flash board and additional RAM board). After this, the E4406A
By Razvan Popescu · #141154 ·
Re: HP8510B Reading and writing A13 EEPROM, problem with Xicor x28256
Hello, Good points. I checked voltage and noticed only approx 20 mV drop during access to the ICs. Only checked one of the ones that were successful in writing. Will check the other ones also. Away
By Staffan · #141153 ·
Re: Agilent E4406A / 16700 CPU issue
The crystal and clock is fine. I measured 150 MHz on the clock generator IC, which is the correct frequency. The ROM is soldered to the board, and desoldering it would be a pain. I have a programmer
By Board · #141152 ·