Very early 7854 prototype photos can be seen on page 7 of this document: http://w140.com/tekwiki/images/b/bd/Tek_7854_design_team.pdf

Thanks for pointing out the photos that are reversed. They should be correct now.

https://drive.google.com/drive/folders/1YoJB_t2OX3jd6xqaJcXolzmO09kzH8zU I didn't take the photos and don't know anything about them. All I did is scan them. Enjoy.

Does anybody own the full set of all 500-series (not TM500) plug-ins that Tek made? Are there any particularly elusive ones?

The 576 CRT is now spoken for. Thanks.

This is my email address: http://w140.com/tekwiki/wiki/Main_Page#/media/File:Kurt_email.gif

I bought a replacement (lightly used) CRT for the 576 that had the erratic brightness problem. That fixes it. It was a CRT problem, not an HV power supply problem. The old CRT was actually usable, and

Michael (and anyone else who wants to improve Tekwiki), Email me and I will make an account for you. The email address is at the bottom of the top-level main page: http://w140.com/tekwiki/#/media/File

Every instrument page on Tekwiki has a "Repairs" page associated with it. The link is near the upper left of the page. The intention is to provide a place for people to document repairs, maintenance i

Morris, Please contact me off-list at this address: http://w140.com/tekwiki/wiki/Main_Page#/media/File:Kurt_email.gif thanks, -Kurt

Also, maybe take a look at the Factory Calibration Procedure document, particularly the "Preliminary Inspection" section that starts on page 7. http://w140.com/tekwiki/images/e/e9/Tek_547_fcp.pdf

Yes, I am looking for actual photos of the instrument.

The Corona Electric FT-100A is a 500-series plug-in for plotting Ft of transistors. Does anyone have photos of this unit that they can share? thanks, -Kurt

http://w140.com/Tek_Transducer_Measurements.pdf

My reason for collecting scopes has nothing to do with providing my workbench with a working scope. For me, it's more similar to collecting classic cars, while driving a Prius.

http://w140.com/tekwiki/images/1/1c/Tek_565_irb.pdf

How electrically similar is the 3L10 to the 1L10? Components are numbered similarly. But clearly the circuits are different, at least at the output, since 560-series plug-ins must directly drive the C

See page 160 of this document: http://w140.com/tek_common_design_parts_catalog_transistors_diodes_and_misc_may_1988.pdf

Also, page see page 61 here: http://w140.com/tekwiki/images/0/0a/Tek_tube_aging.pdf

Also see page 91 in this doc: http://w140.com/tekwiki/images/1/14/157-_checked_and_tested_tubes_specs_and_procedure.pdf