Author Topic: Vintage Tek Restoration pictures by Martin (Read 121980 times)

bitseeker · « **Reply #250 on:** January 11, 2019, 01:07:43 am »

There are worse demises.

mnementh · « **Reply #251 on:** January 11, 2019, 06:48:07 pm »

Judging by the inspection tag, that uber-rare Tek 549 storage CRT was made about the same time I was.

Thanks for sharing your addiction to vintage Tek gear with the rest of us.

mnem
*More than the sum of my inputs*

rhodges · « **Reply #252 on:** January 11, 2019, 06:51:05 pm »

I just found this thread yesterday. Such beautiful equipment!

My first scope was a Tek 544 with a differential (type W?) plugin. I got it in a trade... For a printer selection switch.

At work, we had a couple Tek 2215 (I think) and some HP scopes. I hated the HP scopes, the triggers were bad. The boss said it was okay for me to bring in the 544, and it worked well, a pleasure to use.

A few years later, I got a 465M and then a 2465. The 544 was big and heavy, but I still have good memories with my first scope.

Thank you for all the nice pictures!

Martin.M · « **Reply #253 on:** January 23, 2019, 07:34:10 pm »

Restoration:

When a tube Tek want to sniff UHF frequencys, give him this, it`s Tek voodoo from the old time.

bd139 · « **Reply #254 on:** January 24, 2019, 07:28:03 pm »

Nice bit of kit and a nice job as always

tkamiya · « **Reply #255 on:** January 25, 2019, 12:39:13 am »

I wish I kept RM15 from way back when....

I have lots of scopes but none made with tubes. I guess they are "collector" items now that prices have gone up quite a bit. I don't seem them much in wild anymore. I would like to have ONE just for memory.

Martin.M · « **Reply #256 on:** January 27, 2019, 03:30:10 pm »

the bad side is, that some "audiophools" made parting out lists of the tubes what are plugged in all the fine scopes.
They buy instruments only for salvaging tubes what they use to build some painful audio amplifiers from them..
People who care and collect Tek Oldies will never give a scope to one of them. So the offers are mostly inside of the collectors communitys.

RM15 is the rackmount version of Tek 515A. You need exactly this instrument or any warm Tek?
If any, it`s allowed that the Tek is big and heavy like a 535A? It have to be in working order or for restoration?
Send me pm with email adress and your location area, I will ask for a nice glowing Tek.
and take a look in som american craigh lists, there are oftenly scope oldies also

Martin

coppice · « **Reply #257 on:** January 27, 2019, 04:02:24 pm »

Quote from: Martin.M on January 27, 2019, 03:30:10 pm

the bad side is, that some "audiophools" made parting out lists of the tubes what are plugged in all the fine scopes.
They buy instruments only for salvaging tubes what they use to build some painful audio amplifiers from them..
People who care and collect Tek Oldies will never give a scope to one of them. So the offers are mostly inside of the collectors communitys.

RM15 is the rackmount version of Tek 515A. You need exactly this instrument or any warm Tek?
If any, it`s allowed that the Tek is big and heavy like a 535A? It have to be in working order or for restoration?
Send me pm with email adress and your location area, I will ask for a nice glowing Tek.
and take a look in som american craigh lists, there are oftenly scope oldies also

Martin

That works both ways. There would be no tubes in production for repairing old equipment if it wasn't for audiophools and guitar amps.

tkamiya · « **Reply #258 on:** January 27, 2019, 04:07:59 pm »

Martin.M

Thank you. For some reasons, I cannot send you a PM. Click on PM button and it goes right back to the forum itself.
My email is tkamiya9[at]yahoo.com. Working sample is better but I am able to repair. RM15 would be nice but any tube tek will be nice, too.
I'm not really choosy.

My intention is to restore it and display it like you do, as well as occasionally use it. So ones that will clean up well would be nice.

Martin.M · « **Reply #259 on:** January 27, 2019, 05:38:24 pm »

sent.

tkamiya · « **Reply #260 on:** January 27, 2019, 05:38:42 pm »

How do you clean them SO WELL?

On one page, I see tooth paste in background and internals looking like it has been shampooed. I love scopes and restoring them. I can wash the outside but for inside, I only wipe. But apparently, you do so much more. Do you have blog or anything that I can learn from?

Martin.M · « **Reply #261 on:** January 27, 2019, 06:56:53 pm »

when we have found the Tek for you (this will be no long time

) you get a full support to restorate that, including a video how to wash inside

the website is here: www.wellenkino.de

Martin

worsthorse · « **Reply #262 on:** March 08, 2019, 10:08:35 pm »

One of your admirers sent me over here because I am considering buying a pile of 500 series oscilloscopes to save them from the dump. What excellent work you do! Thanks for posting all this here for people like me.

Martin.M · « **Reply #263 on:** March 17, 2019, 09:40:22 am »

it would be fine to read here some restoration reports.
If there are problems we can help

Martin

0culus · « **Reply #264 on:** March 18, 2019, 08:44:05 am »

Martin, did you get my PM a while back?

Jacques021 · « **Reply #265 on:** June 11, 2019, 11:53:14 am »

I bought a Tek 545B about a year ago with very low mileage on it as the previous told me it was his spare scope at work and indeed it was in absolute mint condition and no one worked on it before. I cleaned her out of all the dust and shes working beautifully! It came with the "normal" CA Type plugin and it works perfect!
Recently I bought a late model 1A1 Type plugin (In very good and clean condition and uses fets, transistors and 2 nuvistors). It shows both traces just fine but I cannot adjust the traces of both channels higher than the middle of the CRT, so in other words the middle is the highest the trace would go with the vertical pot turned all the way, it goes off screen when I turn it the other way.
I guess its way out of alignment?... or maybe just pot that needs adjustment in the plugin itself...

Any advice would be appreciated.

Jacques

Martin.M · « **Reply #266 on:** September 09, 2019, 05:33:39 pm »

The Makerfaire Hannover 2019,

I got a nice 549, 1L5, 1A1 and a p6042.

Vintage Tek Restoration pictures by Martin

Martin.M · « **Reply #267 on:** September 09, 2019, 05:39:32 pm »

I have restorated a second µTek, Type 213

it got new NiCd Cells and a lot of cleaning inside and outside.
The battery plug was RIP.

xrunner · « **Reply #268 on:** September 09, 2019, 05:55:40 pm »

Nice work Martin - very cute.

Martin.M · « **Reply #269 on:** September 09, 2019, 06:43:35 pm »

workbench temperature for a good calibration..
the K Type sensor make it working from -100 up to +1200°C this is also good for warm and sunny days...

restorated John Fluke 2190A

Martin.M · « **Reply #270 on:** November 09, 2019, 06:00:35 am »

... just playing (game of glow)
This is a result while restorating a hungary made function generator. (Classic Tek 556 in XY Mode at beam 1)

https://www.wellenkino.de/video/emg-1.mp4

https://www.wellenkino.de/video/emg-2.mp4

https://www.wellenkino.de/video/emg-3.mp4

0culus · « **Reply #271 on:** June 28, 2020, 08:10:39 pm »

Has anyone heard from Martin lately?

Larryc001 · « **Reply #272 on:** June 29, 2020, 03:09:46 am »

I have posted my link on eevblog before, but I will post it here in case anyone would like to see. I thought I could stop buying but just got a 502A, a 321A and a 541A from eBay. So I guess I will never be done. Great work Martin, I only wish we lived next door to each other.

https://photos.app.goo.gl/vWHUhwHc74o7ed7Q9

AaronLee · « **Reply #273 on:** July 29, 2021, 05:31:04 am »

What a wonderful thread. Thank you so much Martin for all the photos. Now I've caught the bug, and want an old vintage scope as a showpiece for my workbench. I promise though, just one for me. I won't start hoarding old scopes and make them less available to the serious collectors who so lovingly spend so much time restoring these beauties.

I think the Tek blue will go well with my original IMSAI 8080 blue, being presently the only piece of vintage gear on my workbench. I never imagined such a wide selection of old vintage scopes existed, though it certainly makes sense when you think about it. Now I just need to decide which one to get. I'm not looking for it to necessarily even be working, rather I just want a nice looking piece of vintage gear to gaze at when I'm working and contemplating some problem/issue. I love the old Tektronix logo, the scopes with the red knobs, and the circular CRT tube. But I don't want it to take up too much space. Seeing your photo of the 515A, I think that model might be a good match for me.

med6753 · « **Reply #274 on:** July 29, 2021, 12:47:55 pm »

I first posted to this thread back in 2015 after just recently joining the blog. I had been inactive in the hobby for many years and the only Tek scope I had then was a 2465 DMS which was given to me. Well things have changed slightly since then due in no small part to what Martin has accomplished. He was my inspiration to find and restore old Tek iron. I think I've done pretty well. And after I retired in January 2019 I really picked up the pace. All the restorations shown here can be found in my main hangout in the TEA thread. I hope Martin doesn't mind me adding my collection to his thread. After all, us Tek nuts have to stick together.

Currently under restoration. Type 547. Waiting on parts to fix a vertical issue.

Type 535A on custom made scope cart usually occupied by a 7904 (not shown). Future plans are to build another cart.

Top shelf Type 454
Bottom shelf 2465 DMS

485 on top of some hp counters.

Top shelf. Galley of defective CRT's. RCA Institutes 54-45. Type 321A. Assorted B&K gear.

Middle shelf. Type 503. 465B/DM44. Type 310A with rare fan mount. Type 561B.

Bottom shelf. 2430. RCA WO-505A. OS245(P)/U....military version of 7603N.

465B. Heath OL-1. 485.

Top. Type 191. Type 114. Type 106.
On floor. Type 422.

475A and 2465.


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Author Topic: Vintage Tek Restoration pictures by Martin (Read 121980 times)

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