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Great feedback Harvey. I should have thought to inject the timer signal . . . I'll give that a try. Jared - i found your video a few days ago. Thanks for taking the time to create/upload it.

Sounds like it could be as simple as an intermittent pot in the horizontal section.

That and your systematic approach, Jeff. Congratulations! Cherish that 7603. The big screen is soo nice. I hope you can get your Option 1 out. Raymond

Oh yes and I forgot - it needs to run Windows XP Embedded as some of the driver software doesn't like W7 or later. David

Yes, I got that thanks, problem is there's no room inside the case to add a card like that. David

Hi Allan, Sounds like a good idea, I just checked the site out it does not seem to have much going on? not many users?

Thanks Allan :-) It is so difficult to find vintage Tek stuff out here in Oz. We’re not as lucky as the folks in the U.S.A. Cheers, Rick Melbourne - AUS

Congratulations, Jeff! It's always nice to hear that perseverance pays off, and doubly nice that a couple jelly bean parts were all it took. Cheers Tom Sent from an iThing; please forgive the

Also, a comparatively minor success, but noteworthy: I also fixed a 7A18A that I was using to test the 7603, but which did not have any signal on Ch 2, nor any ability to adjust the vertical position.

Nice job Jeff! Great way to start the weekend. Save those dead transistors. Might make for interesting examples for the curve tracer when you get that up and running. Dave

ACTUAL SUCCESS! First I traced the INTENSITY control signal through the logic board, and checked Q90, Q108, and U99 (a C3046 transistor array). All of those checked out fine. Then I traced the gate

Good deal!? I think we've taken this far enough off topic. ;)? To bring it back to Tek scopes, I am in the process of getting a hold of an 11800 series scope on the bay and selling my Atlas Sound

HI Guys Just thought I would mention an option for selling/buying gear in Australia/New Zealand (only) that does not have any fees at all! VK Classifieds (vkclassifieds.net.au) has been around for

We were lucky enough to buy an empty lot, and have a house built on it.? The builder was just at the point where they would still consider custom modifications, so we put in a few, mostly having to

I repaired one of these not too long ago, the video I made might help. https://www.youtube.com/watch?v=Tx6DtLooCOs My unit had drifting carbon composite resistors that were replaced, the usual sticky

If the 555 is being fed with the right Vcc and the other components are ok (did you verify that the pot was working?), then you should see a clock output. Finding a 555 is trivial, so you should have

I was in a surplus store today in Melbourne, Florida and found a nice looking, CLEAN, rack mount 561A that is for sale. It didn't appear to have been drop kicked around the parking lot or left out in

Funny you mention wired Ethernet, because I have my 3 computers, my work laptop, my home laptop, and lab tower, on a wired router.? All other computers in the house are on wireless, but my 3 are

We've been working a long while to get a house that's even halfway setup for hobbies, and this is.? Wired ethernet in every room, RG6 for cable, etc.... Naturally, of course, it's not big enough....

Nice setup, Harvey!? Well, we have 2 teens in the house. So they each have their own rooms.? Then there's the master bedroom and a 10 by 10 foot room for computers, scrapbooking, musical