Products > Test Equipment
Test Equipment Anonymous (TEA) group therapy thread
tggzzz:
--- Quote from: bd139 on May 12, 2018, 04:39:40 pm ---Usually in the chrome, Firefox and IE saved password usual hangouts :)
We recently started sending all our users phishing links and send the idiots who click them to re-education camps. I suggested concentration camps but they frowned and said “too soon” :D
As for physical access, dousing the company plants in roundup solved the physical security problems. Straight in the bin rather than wedging the doors open.
I love that side of the job.
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You are Simon Travglia, and I claim my £5.
tggzzz:
--- Quote from: mnementh on May 12, 2018, 04:36:29 pm ---One of the first things they taught us in the forensics class I took a decade ago was "It's always easier to hack the wetware". This means, among other things, DON'T kill yourself trying to decrypt the passwords in the software; scan the computer for the text file where the user keeps his websites & passwords in plain text. :palm:
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And if that fails, "rubber hose" decryption techniques are often effective.
BravoV:
--- Quote from: med6753 on May 12, 2018, 12:03:20 pm ---
--- Quote from: tggzzz on May 12, 2018, 07:05:11 am ---These 24x5 repair notes are sufficiently useful that we would benefit from them being on some 24x5 repair thread, not merely buried in theses 10,000+ posts!
Thanks.
--- Quote from: mnementh on May 12, 2018, 03:28:21 am ---Here's links to a pdf parts list, a pdf dissertation on rebuilding the Tek 24xx DC-DC converter, a page that helped me with links to a lot of other useful info on repairing the 2465, and here is KO4BB's archive of service manuals and resources for the 2465B/2467B. Please don't forget to give back a little via the button; hosting those documents isn't free and you can skip Starbucks or McD's for a day. :-+
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I think that stuff has already been posted in the 2465 repair thread.
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Yep, its there and many others buried in that gigantic thread.
med6753:
--- Quote from: mnementh on May 12, 2018, 04:27:32 pm ---
--- Quote from: med6753 on May 12, 2018, 12:31:32 pm ---
In between fixing the 465 and this new 2465 I was able to complete the power supply modification to the Fluke 8000A DMM. It now has a regulated 5V supply built up and installed. It's kind of a bodge but it does work and it is secure and safe. Just to the left of the new board are the 7815 and 7915 regulators for the +/- 15V supplies. I've had it on for several hours now and the measurement drift for all practical purposes is gone. All that's left is final check of calibration and it's a wrap.
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I see you went with a different transformer than the ones I sent; I assume the screw tab was what you needed. I tried to find onein my stuff, but the only thing I had that wasn't already earmarked was this huge thing from a car battery charger.
Hope you can find other use for what I sent; there'll be more on its way soon. :o
mnem
In other news... *WHUMMMP!!!*
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Yea, while I was waiting for your care package to show up I found that transformer in my stash. Forgot I had it. But I did wait until your package showed up before deciding what to use. The 8000A board in that area has large thru holes which I assume are for the battery option. I wanted to utilize at least one of those holes to bolt down the transformer rather than relying on epoxy to hold it in place. So that's how the decision was made. But I certainly appreciate what you sent me and I'm sure those parts will be useful on future projects. ;D
GerryBags:
I had an Ebay purchase that was totally non-suspect turn out to be a scam. Got a message after the sale saying that he was away on holiday so he'd give me a refund...? That made no sense, so I was careful about clicking for a while, and sure enough a fake Paypal notification from the seller's Google mail account turns up hoping I'd use the link in the email. Scum bags.
Anyway, here's a shot of the 2467B today.... still hasn't exploded! It has already shown me that the TTL output of my LG function gen has gone a bit funky, and it's square wave is only square at about 1 KHz. I'll have to have a look at that soon. The service manual for the 2467B & 2465B turned up today, only a reprint, but it has got 11" x 14" prints of the pull-outs.
Hopefully by this time next week I shall have a fully working 2465B sitting on top of the 2467B.
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