Hi All, I have a 2235 that displays what I can best describe as a shadow on the crt. It is not really a shadow cause it is light rather than dark, but that is the best that I can come up with. The "sh

Hello! I have been working a bit more on the oscilloscope, based on your comments and my very own ;-) ideas. Well, almost everybody agreed about a power supply capacitor trouble causing the trace dist

Miroslav Pokorni wrote: > Well Stan, tell us about 'spot-o-gold'. Was that, by any chance, a flex > Kapton based circuit (flat cable) with gold bumps at the ends and mating > connector had gold surfac

Hello! I have been cleaning the 545B/1A1 and now it shines :-) Then I have connected it and I have got a curious trace; I have put a picture of it at: http://www.geocities.com/eb5agv/tek545b.jpg Cente

To whomever had e-mailed me about at 3A1S plug-in, there's one on eBay : http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=1626567521 Good luck Phil

Hi All, Ive got a used 7L14 Spectrum Analyser plugin with 1 remaining serious problem. The 1st local oscillator in that unit is a YIG (Yttrium Iron Garnet oscillator) that generates the 2-4GHz for the

I have two busted Tek DC508 counters, both with the same irritating problem, open segments on the LED displays. so many, that you can't tell what it is displaying. this was a nasty part from Litronix,

To all The HT-transformer T801 of my Tek 536 is broken down. It seems that there is a short between two turns of a winding. As the scope is otherwise in a fairly good condition, I would like to rescue

Hello! After another small trip (why do women _love_ to travel so much???), I am again at home. And, just today, I have got an original 545B manual in the mail. Sometimes, eBay is great; I got it for

Hi all, I have a 2235 and a 2215. I purchased two accessory pouches that (unknown to me when I ordered them) came without the "plate" that attaches them to the scope. If someone has one of these and c

Would anyone have an extra 1L10 Spectrum Analyzer Plug-In they would like to sell. I have a collector friend looking for one. Jim Reese

August 23, 2001 I have just bought a 2336YA on eBay w/o manual etc. Can someone suggest a quick way to get the basic operating instructions? Alternatively (and anticipating need to calibrate etc in th

Hello again, First, forgive me for my dumbness; I forgot to upload the last picture!. I have done it, along some other pictures... as the oscilloscope is now WORKING!!!. Not at 100%, but lots better t

Does any have a 152-0716-00 or know where I can get one. This is a times 7 high voltage multiplier. It converts the 3KV high voltage from the HV transformer to the 21KV CRT Anode supply. This is a bla

Hello, What is option 78 for the r7903? I checked the reference section on reprise and the jug 154-0644-09 goes into a r7903 with opt 78 and nothing else. Is it a special jug? For example higher PDA v

Hi, I am the owner of used Tektronix 465 with instruction manual since two weeks. First I started the calibration procedure. I�ve found in the power supply which is normally 110 VDC a voltage of 145

Just joined the group and wanted to express my thanks for this forum. I have a 515A and am evaluating a 453A-2( with Stan's help) and need this venue for help and advice. Thanks!!!!!!!!! Stephen, KG0K

Hello! I have the chance to pick up a relatively cheap (remember, I am in Spain) 7403N mainframe along usual plug-ins... I already have a R7603 and several plug-ins, so it would be an spare set. I kno

Hi all, I am restoring a 2215 for my Dad. I have managed to cobble together a couple of them and have an almost good one, save one problem. The 'scope has good intensity at long sweep times, but when

Hello All, I'm not sure if my scope is construed as a classic and, therefore, if I've posted this to the wrong group I apologize. Anyway, I recently purchase a 7623A mainframe along with 7L12, 7A26 an