Hello, I'm new to the group. I'm a railroad signalman, though I used to be a Simpson meter technician, and I'm still a ham and electronics tech. My major passion is antique radio restoration. I recent

Hi, Does anyone have a scan for the Tektronix 465B vertical mode switch board A5 schematic. This is denoted as sheet <4> but is missing from all the online scans I can find. Attempting to chase a shor

Hi guys, Another question for you on my TDS540 repair mission; When switched on from cold the traces are all off the bottom of the screen, but the trace indicator icon is in the right place. Over the

I just joined this group. I've had a 2215 since new, but recently picked up an 2465 at an estate sale. It "works", except that the "world's most complicated fan" is dead. (I didn't realize this, and w

Hello all, I have a AA501 plug in that's missing all its plastic retaining latches on the side covers. The side covers use the same light grey 1/4 turn retaining latch that all TM500 series plugins ha

Does anyone know, where this https://groups.io/g/TekScopes/album?id=276319 unknown CRT impl. shield fits, or what Tek number it has? Dimensions: 4,791×3,998×0,100″ (121,70×101,55×2,55mm) (Doesn't fit

Hi all, I acquired a 7L13 in a 7613 frame in an unknown state. After replacing the electrolytic bulk capacitors in the 7613 PSU the spectrum analyzer is now partially working. So far I have identified

Ken, I would be interested in buying the Tektronix AFG5101 and PS5010. I'm in Southern California; Paul de Jonckkheere 16160 Suttles Drive Riverside CA 92504 Thank you, Pual 951-279-3750

Hello everyone, I am working on getting my Tek 495P and 2753P Spectrum analyzers fixed, running and calibrated. Has anyone here used the Prologix GPIB configurator by KE5FX (John Miles) to talk to the

Ballantine 6125B oscilloscope calibrator option MOD 14. Unit is in excellent condition. Great scope calibrator that covers everything except fast rise pulse and leveled sine wave. It works well, pleas

Tektronix PS5010 power supply for sale, very good cosmetic. Unit is untested. Photos on request or see ad in Test equipment for sale group Asking C$95 or best offer plus shipping from Vancouver, BC

Hi all, I just finished to fully reconditioning my beloved 564. Fully recapped, a new CRT from a more recent 564B (with good efficiency), and all tubes replaced (the original from 1968 were still ther

I've recently written to someone about how to replace an SMT op amp, and I thought it would be useful here, so here it is. It's obviously useful for other SMT parts as well. You'll find that desolderi

I just discovered one of the ICLs in my 7514 is physically broken (one lead has let go of the body of the resistor). The manual specs this as a 5-ohm but nothing else about it. How critical is the cur

Kurt R. has posted six recently scanned Handshake newsletters; Vol 3, No 1-4 and Vol 4, No 1 and 2. These six items were published from fall 1977 to winter 1979. The content covers signal processing a

Greetings, all --- I've just joined the group. I have recently acquired a mostly-working 492p --- unusual test-gear for a hardened computer-wizard, but I' retuired now, and it looked like fun! Initial

"My recently-acquired 576 seems to mostly work, save for some very dirty contacts in the pushbutton switches. But I noticed an irregular horizontal "throbbing" in the curves. Looking around a bit, I f

Hey y'all, TL;DR: you can now disassemble and successfully reverse MC6800 with Ghidra by downloading this ( https://github.com/sigurasg/ghidra/tree/6800-specs-add/Ghidra/Processors/MC6800) language sp

Just a spoiler here, to gently encourage those owners who hope for the best, not to hope, but to DO, before damage occurs. https://groups.io/g/TekScopes/album?id=276138 The Scope was repaired, overhau

I have a 475A power supplies are good I am trying to do an alignment on it when the scope is cold it runs all right for a while then all sweeping and triggering stops. Power supply voltages are good a