| Products > Test Equipment |
| Test Equipment Anonymous (TEA) group therapy thread |
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| mnementh:
--- Quote from: Saskia on July 20, 2022, 03:00:35 pm ---no, when looking at brussels sprouts Seppuku appears to be a viable alternative. --- End quote --- And Okra. A slimy, hairy vegetable? Not fit for human consumption. Dat's made by the debbil, dat is. mnem or maybe Pod People... :-// |
| Kosmic:
--- Quote from: med6753 on July 20, 2022, 04:06:39 pm --- --- Quote from: Kosmic on July 20, 2022, 03:54:50 pm ---Arrggg just saw a cheap Tek 485 on ebay this morning, sold as "used" and supposed to be working. I was about to post the link over here but hitted "Buy" instead :palm: --- End quote --- No worries. I already have 2 of them plus a junk unit. I think 4 total would be overkill. :-DD Edit.....although I do have 3 Type 547's. ;D --- End quote --- That would be my second one since I still have one in the repair queue. Even if it was sold as used and tested, I suspect the second one will also go in the repair queue. Will see. |
| mnementh:
--- Quote from: m k on July 20, 2022, 04:00:55 pm --- --- Quote from: mnementh on July 20, 2022, 02:45:56 am ---And Now For Something Completely... ON TOPIC! Hi-def HP 54621D pr0n: ARCHIVE: HP 54621D Mainboard Pics I took oodles of pics of the 54621D mainboard while I was trying to reverse-engineer the video. Instead of shrinking them all to fit in here nice & friendly, I made an archive of the pics one post at a time so I could keep the res as high as possible. mnem :-/O --- End quote --- TOP has a bar code label starting 54622-66407- Some memories and U400 have 54624- Then the board type ending -66507 is stickered to begin as 54621. One must wonder how generic those boards really are. --- End quote --- Given the time they were made, I wonder if the main difference was limited availability of the high-speed RAM for the acquisition section. Hence same PCB, but offer a cheaper version populated with different RAM and other support electronics to be able to produce adequate volume. :-// mnem :-/O |
| mnementh:
--- Quote from: Brumby on July 20, 2022, 04:24:33 pm --- --- Quote from: dl6lr on July 20, 2022, 04:14:45 pm --- --- Quote from: Kosmic on July 20, 2022, 03:54:50 pm ---Arrggg just saw a cheap Tek 485 on ebay this morning, sold as "used" and supposed to be working. I was about to post the link over here but hitted "Buy" instead :palm: --- End quote --- Well done :-+ --- End quote --- I must also add my own... Well done :-+ You truly belong in this thread! --- End quote --- Medium rare or Pittsburgh-Style for me, please. Oh, also :-+ mnem "wiggly green lines FTW!" ~bd139 |
| bd139:
Ok just bought a dead Marconi 2022E signal generator from scottrade12. Down the rabbit hole we go :scared: Almost certainly it's one of several problems: 1. The osc is duff and this runs the synth and CPU -> run off external one and test then replace it. 2. The power supply is duff -> debug and fix 3. Probably several dead OM345's -> MAR6 MMIC + friggery. 4. Attenuator duff -> kill me with fire. |
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