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Does anybody know where I can find manuals for an HP3456B DMM? The HP site has a manual for the 3456A, how different is the 3456B from the 3456A? Thanks, BobH

Thank you for posting your story, some other 3455 owner will benefit someday. Dave Wise ________________________________ Sent: Wednesday, April 2, 2025 11:49 AM To:

Hi all, I checked U16 the latch connected to the driver U5 with a scooe. The output pin 15 ( connected to pin 9 of U5) was not stable and so I replaced U16. Now the 3455 is working again. At least no

Thanks Ron, that is the oldest 410B manual I've seen. It's for early non-prefixed Serial Number 401 through 7228. Dave Wise ________________________________ Sent: Wednesday, April 2, 2025 10:11

In the course of refurbishing an old -410b, I was a bit confused in that my unit does not correspond to a manual stored here in our Files section.? So, I purchased a manual online and discovered that

Thanks Nigel, I have updated the firmware from A.04.00 to A.05.00. Unfortunately, the failure persisted. Since it was able to passed all other tests, except CPU[2]: 16 tests failed, it seems like a

I have Agilent CXA Signal Analyzer N9000A, I'm getting these errors, please help. I referred manual and it suggested to check 50Mhz with -24dB, But when I check in my equipment its showing 50Mhz with

I'm still looking..

No, it is not the same as for the 83732A. I tried but it is not working properly.

"tom_iphi via groups.io" <iphi@...> writes: ko4bb has https://www.ko4bb.com/getsimple/index.php?id=manuals&dir=HP_Agilent_Keysight/HP_83732A_Synthesized_Signal_Generator Not sure

Hi, does anyone happen to have the data of EPROMs U7 and U24 of the HP83712B? I seem to have lost data... Tom

[email protected]> wrote: I have looked at the circuit diagram of the 85046A, and noticed a capacitor value changed between the mechanical and electronic relays. Could that be the problem? Dave

Appreciate the suggestion. I reinstalled the A3 and tried cycling all the PSU connectors, including the motherboard one. I also brushed a tiny dab of Deoxit D100 on each male pin and cycled the

Thanks, I will order a few pieces to have them just in case. Best regards, Razvan

After a set from Aliexpress that didn't work, I got some from an eBay vendor I've found reliable (his stocks are all old, before the dodgy cloning started). I don't remember exactly what I bought but

Hi all, I spent some more hours with my 3325A. I made a new effort and studied the service manual from scratch. The main trouble shooting flowchart directed me to group J, so I thoroughly examined

The first thing I recommend that you do is to look at all the PSU cables in the PSU area including the big multiwire one that loops back to the motherboard. As a first attempt, try partially removing

Forgot to mention, I am thinking of leaving the 50K voltage adjustment pot in place as is, even tough already ordered a 100K replacement Bourns "Helipot". Everything seems to work fine, and I can

I poked around a bit further and discovered that the +43V reference supply that was reading low at 34.2V actually had 14V of ripple on it. After removing and checking C12 a 450uF 85V cap, it was

I believe the control module (rear panel) has one or more abnormalities - I tried setting attenuator (stimulus>power>attenuator 1) and rather than adjusting the attenuator, the test set switched ports