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Re: HP/Agilent/Keysight version of Tek Wiki?
Cool, a lot of new content on hpwiki since the last time I visited. I added the 3478a and 8643a pages but didn't get to the 4195 which I find a bit daunting. Plus, there's no VNA category yet. Is
By Chris B · #121556 ·
Re: HP 8663A Keycode Stimulus Diagnostic
I'm not familiar with the 8663A, but I did have a problem once on my 8780A where the keypad didn't respond.? The problem turned out to be a broken copper leaf spring underneath the "8" key.? The key
By Matt Corbett · #121555 ·
Re: New member (with a dso-x 3012a not booting)
Appreciate your help! So, I tried booting the scope from a 12V bench supply. Unfortunately no joy... The thing draws about 2 Amps while doing nothing, is that reasonable (label says 100W on back
By Tommy · #121554 ·
Re: New member (with a dso-x 3012a not booting)
Not necessarily a sleep mode. When the on-off-switch does not cut mains power completely it means the unit is not off but in a standby-mode where some electronics are always active. cheers Martin
By Martin · #121553 ·
Re: New member (with a dso-x 3012a not booting)
Update to newer firmware if you can get the scope to boot. You're experiencing NAND corruption which can occur with older firmware. The update will remap the bad blocks(if possible) and provide better
By Steve Draper · #121552 ·
Re: New member (with a dso-x 3012a not booting)
Thanks for the suggestion but no sleep mode I'm aware of.
By Tommy · #121551 ·
Re: New member (with a dso-x 3012a not booting)
Scope was powered off.
By Tommy · #121550 ·
Re: New member (with a dso-x 3012a not booting)
Hi Tommy, does this scope has a standby mode? More than once I've seen this sort of behaviour on various products that have standby power and switching supplies. One of the possible culprits is a
By Martin · #121549 ·
Re: Tek/HP/Etc chat server
Enough of this, both of you. -Dave, list moderator
By Dave McGuire · #121548 ·
Re: Tek/HP/Etc chat server
I don't think that was clear enough - consider taking out a full page ad in the New York Times <sdturne@...> wrote:
By cheater cheater · #121547 ·
Re: New member (with a dso-x 3012a not booting)
Was the power on or off when you measured the cell voltage? Regards, and happy new year. -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus
By tmillermdems <tmiller11147@...> · #121546 ·
Re: New member (with a dso-x 3012a not booting)
Thanks Glen for your answer and yes I was afraid of that. I'll give Keysight a call anyway. Interesting link, not for the fainthhearted, I'll have to digest that, slowly...
By Tommy · #121545 ·
Re: New member (with a dso-x 3012a not booting)
There are known issues with boot flash corruption on some models of Keysight scopes. At some point Keysight would fix the scopes even if they were out of warranty if they had this particular issue. No
By Glen Slick · #121544 ·
New member (with a dso-x 3012a not booting)
Greetings from Sweden, Scandinavia! I'm Tommy, a new member here on groups.io although in the distant past a member at Yahoo. On my bench I have several "HPAK" instruments, mostly HP brand, aged for
By Tommy · #121543 ·
Re: Tek/HP/Etc chat server
I can choose not to participate. Sean
By Sean Turner · #121542 ·
Re: Tek/HP/Etc chat server
The owner of every forum is exempt from every rule they set, and you can't do anything about it. This forum, unlike others, states it outright. I put this rule in explicitly so people who make trouble
By cheater cheater · #121541 ·
Re: Dead 54720D
I was thinking about exactly the same. Do you want to compare to see where the check sume is stored ?? W ?roda, 5 stycznia 2022, 03:26:37 UTC, Mike Walters <mike@...> napisa?(-a): Does anyone
By Arkadiusz Gibes · #121540 ·
Re: HP 8663A Keycode Stimulus Diagnostic
Hi Matt My service manual P/N is 08663-90071, covering from 2234A to 2927A and found nothing about that keystrokes :( However, my unit has serial 2846A opt 002, if you need data or whatever for
By RubenRubio · #121539 ·
Re: Dead 54720D
Does anyone have a copy of the 54720 or 54710 firmware disk? If I could take a look at that, I can probably figure out how to make a 54717a eeprom image for you. <arkadiusz.gibes@...>
By Mike Walters · #121538 ·
Re: 98034A HPIB adaptor for 9825
HP 85A, that's what it was.? After 3 and a half decades it took me a while to recall.? ? ? ? ? JimSent from my T-Mobile 4G LTE Device
By Jim Ford · #121537 ·