Electronics > Projects, Designs, and Technical Stuff

Trasistor Cruve tracer + Hameg 1004-3 XY weirdness

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AngraMelo:

--- Quote from: TERRA Operative on October 18, 2019, 01:30:14 pm ---Hmm, do you have access to another scope so we can narrow it down to either a curve tracer problem or maybe a faulty or weird scope?

--- End quote ---

Hey buddy,

I only have another digital one and the sample rate and resolution goes to sh%$ on XY mode. It is kinda hard to compare them. I need to leave the "persist" on to be able to see some of the lines.

Ovi4:
Hi there, I just flicked thru a ton of posts on various websites in the hope I can get my scope fixed an HM1004-3. My problem is that I do not have the right kind of schematics manual. However, I found an online 1 schematic pdf file that says it is for HM1004-3 but my scope is different. in the schematic, the design revisions are from 1996 with all boards revision 1 or thereabout but my scope is 2002 edition and has a lot of boards that are totally different than what I see in the manual even ribbon cables are different.  for instance, my PSU is revision 2A (a vastly different PCB design. I wrote to R&S several times with no response. I've searched the net and E-Bay high and low and just could not find the right schematics anywhere.

So I wonder if you, somehow have the right schematics for me and are willing to share them, please?  Any help is much appreciated Thank You.

Ovi4:
@ AngraMelo, is there any chance you could share your HM1004-3 schematic diagrams manual with me, please? I have a problem with my scope too and could not find any schematics but only the service manual for it. Thank you

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