Tektronix 2445a Questions

I have service manual for Tek 2445. It is possible to send you via email if you are interested. 3 zip files (5 meg each).

"joe4702" a écrit dans le message de news: snipped-for-privacy@l41g2000cwc.googlegroups.com...

Yves,

That would be much appreciated. You can send them to snipped-for-privacy@yahoo.com.

Thank you!

Joe

Sorry, it's joe4702 and sending it to either yahoo or hotmail will work. Thanks.

A very nice instrument.

I recommend you download a Manual for free from

Then download a manual for a 2445A/B or 2465A/B -- all of these will have the instructions you requested.

Absolutely normal as slong as the flickering stops a few momets after you relaese any knob/pot etc.

No

No

Info for ordering or what info do you mean? If the first is the case, than : Download 'em.

hth, Andreas

Andreas,

Nice to find out I don't have a repair job ahead of me regarding the LED flickering.

It seemed a little strange to me, and after reading an old post where someone mentioned the flickering as being abnormal and possibly caused by a power supply problem, I was ready to start troubleshooting. I had already taken the cover off and measured the supply voltages at J119 - they were all spot on. My next step was going to be buying an ESR meter.

It's apparent from reading the newsgroup that you know what you are talking about. Thanks for taking the time to post and saving me from trying to correct a non-existant problem.

Yves was kind enough to e-mail me a 2445 service manual. TekNet doesn't have any 2445A manuals, but I'm assuming the A is 95% identical. I understand the B version is substantially different from the earlier two versions.

This scope is very pristine inside and out. I bought it from a private owner who obviously didn't use it much. I'm hoping the hybrids hold out but I paid less than $200, so I'm not in too deep.

Thanks again, Joe

A minor rant. This, IMO, is an excellent reason NOT to have everything 'menu driven and pretty obvious.' Such things don't help the operator to gain a better understanding of O-scope operation and how best to make measurements with it.

With that said: There exists a 'TekScopes' mailing list at Yahoo Groups. You would do well to join in the fun.

Hope that helps. Enjoy your new toy. ;-)

Thanks for the link. I will join. After playing with the 2445 vs. the 3000s at work, I am starting to see your point.

Sphere Electronics claims to be able to ship those 2440/2460-series hybrids off to Japan for repair(!) You might ask about that on the TekScopes list if you're interested.

-- jm

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..snippety..

$200 is a bargain for such a beauty.

scnr, Andreas