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Thanks Tim - if a new rectifier doesn't get this thing working, I may be in the market for your parts unit. Its anyones guess if the rectifier just died or some downstream circuit killed it. We will

I have a parts 475. Tim

The manual lists this as 152-0488-00. They are available from many sources. NTE 167 is an alternative: http://www.nteinc.com/specs/100to199/pdf/nte166.pdf This is a gumdrop component available from

I got a free, but dead Tek 475 scope. When I opened it up, I found the previous owner had unsoldered CR1462. He was a smart guy, so apparently he concluded that part was bad, but never got around to

Let's see if I can help sort this out (and get it right!) Look at a typical analog scope.? Trigger happens, and sweep starts (after a delay, either intentional or simply circuit related... it takes

Thanks Harvey for your reply. I'd like to ask questions about 468 triggering: I analog mode (same as 465B), where is the triggering point in the WF on the screen? It seems to me that it must be near

I'd think you could ask the digital questions here, since the age of the average 7000 or 400 series scope could qualify it. Harvey

I posted this message in the TekScopes group but apparently there is no interest, so I'm trying here. Also, does anyone know a group discussing digital electronics for older devices? Thanks -Jan-

Lots of intriguing and cheap items added to the page including a rack-mounted Z3801A GPS system for precision 10MHz signals: https://www.sphere.bc.ca/test/stuffday.html#calfans Some rare Tek items

Just wanted to thank everyone. The monitor is now working better than ever and fully aligned to D65. Jonathan

From the service manual, the part number is 366-1425-00. I couldn't find anything that is definitely the correct part (which was surprising, given how many 465/475 teks must be out there). You might

seems bad they have page upon page marked as out of stock,seems there ass dont know what there elbow is doing ! why advertise stuff you dont have????.!.

I have used, Tim

I get Textronix spares from Qservice in Greece. https://www.qservice.tv/vpasp/shopdisplaycategories.asp?id=28 Hope this helps, Richard

Check with the vintage Tek museum.? They had a knob I needed for a 577/177 curve tracer.

Hi all i have a 465 the plastic skirts have busted on the volts div knobs,does anyone know where i can get replacements,new or secondhand?,cheers Paul.

Thank you Michael. I have downloaded a copy of the manual which looks great. I am very grateful. Thank you again. Jonathan

Toby, That would be fantastic. For reference, here is my current processing: 1.) Ingest all as uncompressed color tif, some 300dpi and some 600dpi depending on scanner limitation. 2.) Pages that are

If you want to give me access to the raw scans, I can deskew all pages and fix the compression. I can also upload the final result to Tekwiki. This manual is one of a batch

I have uploaded the manual to archive.org https://archive.org/details/Tektronix-650HR-Color-Picture-Monitor-Instruction-Manual It is currently undergoing Internet Archive's auto processing thing, so