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So I suppose I'd better check out the guts of my TDS460A... --Toby

Got the scope, and upon inspection it does in fact need a recap. Fortunately, I don’t see much carnage. I know for the 24x5 series there is much debate on what series Nichicon or Panasonic caps to

No kidding, CWRU offered you a job?? That's my alma mater; I got my BSEE there in 1988. Moved out to Southern California 30 years ago this September.? Small world! Jim Sent from my Verizon, Samsung

How's that effort going? I'm particularly interested to get a scan of the RPR, and also Wizards Workshop Dave

H?kan, Do you have scans of the Wizards Workshop articles. They sound like an incredibly useful reference. Dave

Does either pot work ? I suspect the separation might be one of their fancy play pots, it moves one pot so much and then the other after like 7 degrees or so of rotation. The trace rotation can

Sorry, I only scanned it because I can't sit through something that long. I mean not only mentally, but physically. But, the transistor is one thing that the US does get credit for, period. That and

This problem was addressed In a WW (Wizards Workshop) article from 2-85 which said it was fixed by Mod 50646. It is only a change of one resistor value in the 7L5: Change R2340 on the Vertical Board

You may have read my previous thread on attempting to repair these, but that is not to be. I've decided to part these out. Probably too heavy/expensive to ship complete (for what you want to pay for

A quick check with my buddy Google shows that Nielsen is still in business. The can best tell you where to find the catch, possible provide samples. The self tapping screw is available at any well

Hi Hankc, many thanks for this really nice and interesting video. Alessandro Cattaneo

Hi Everybody, This one is for 7000 series readout experts, hope you're out there somewhere. I have a properly working late model 7854 that I'd like to use with my 7L5 (early serial with old digital

Yep Albert, Indeed, it was your post I was referring to... I wasn't sure though, if there was still a misunderstanding that the +55V was at fault. I see now what you mean... and indeed, the shorted

wow.. awesome . .thanks for providing that. Yes, would love some photos and do you know where I can go to get those parts? Or, am I really just subject to digging around the aftermarket?

I have a 7623A with option #8 (the front cover). The catch hooks on the scope itself also have a thicker metal stand-off under the hook. If you can't get the proper items, I can take some measurements

Thanks for the info! About what I expected though. It seems like the letter scopes are much more popular, probably because of their hackability. I still think I got a good deal on this scope (Paid

Hi Fabio, That other member must have been me I think. But I wrote this: So what I meant is that since there is no problem *now* with +55V, there was also no problem *earlier*, and the earlier reading

Hi folks and thanks to all for the input, the video was really reassuring as the LED activity matched what I'm seeing. It also might tie in with the service guide description of what's going on in

Two more plugins. An early 3S6 and a reasonable S/N 3T6. The issue with early S/Ns issues with external control. Pictures have been added to the album https://photos.app.goo.gl/VQaT8KQLQmSsb2iM6

Hello Russ, Glad to hear that the +15V PS woke up, and by consequence, the +5V and also, somewhat, the -8V (although this one is clearly on the lack). I have two comments... 1. I got confused by some