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Test Equipment Anonymous (TEA) group therapy thread

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salvagedcircuitry:
Upgrading the cooling in my TTI tga1244 / wavetek 195 / Fluke 284-U. replaced the cmos batt while I was in there for good measure. Stock configuration uses a sunon 80mm 2.4w ball bearing 41cfm fan. There's enough room to squeeze a 92mm fan in there so I grabbed my hand punch and made some holes. Look ma, no metal filings :D I'm installing a sleeve / maglev fan as a replacement. Now I should be able to use it while filming. Yay.

wkb:

--- Quote from: wkb on September 18, 2024, 12:27:05 pm ---Well, yes and no.

The HP-branded unit appears to have a different connector style but the same flex wire.

The HP version is a 'solder cup' style, whereas the Agilent has pins as shown on the previous picture. The holes in the flex are in my personal opinion too wide compared to the pin diameter. This makes for less than optimal soldering (at best).

That said, I assume (hope...) that the soldering shown is not HP factory standard soldering but some ill-fated repair attempt. Meanwhile I removed the mess, cleaned the flex and resoldered everything using proper leaded solder. Not that RoHS unleaded rubbish  >:D

--- End quote ---


The HP looks different, the soldering looked OK. Of course I could not resist removing old solder/resoldering.

onsokumaru:
Ok, next one in the pack was this Tek 11401. What blew my mind is how good the touch CRT works! :-+
It has three modules mounted, and they look like high end stuff for the time. I couldn't put any proper signal on the scope yet, but looks promising.

Vince:
Wow that's quite a rare sight even on here !  Welcome to the club, have a 11401 as well. Different plug-ins : two dual input amps + an advanced triggering plug-in that includes TV trigger options.
Scope works perfectly but whenever it decides to start misbehaving, it will be the end for him... this beast is so complicated (with no proper service manual to boot) that I just wouldn't be able to fix it. So I enjoy it while it works, crossing fingers it will stay working for as long as possible....

The CRT touch-screen works really well because.. well it's not really a "touch" screen. There is a grid/matrix of infra-red LEDs in front of the CRT.
You don't actually need to even touch the CRT to activate it, try it : approach your finger super slowly.. you will see the screen activate before your finger even contacts the CRT...

Ice-Tea:



Guess who got burned?

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