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Quite a few years ago, I came across my first broken Tek-made VAR pot, the grey plastic ones. The plastic had broken near where the shaft enters, so that the set screw could no longer bind tightly to

Why attribute that to me? I didn't write the statement you quote as being mine, but I can see where it would make sense. Try it this way: Pink paint can be used to repaint a red fire truck, but pink

Pretty sure there's a typo in here somewhere.... ;-)

Greetings everyone, I have a question to ask you: with a Tektronix 492AP spectrum analyzer connected to the PC via the Prologix GP-IB to USB adapter and launching the HP 7470A emulator program on the

I have been looking for a few of the long pointed tips for my P6008 low capacitance probe, but nothing popped up until I found someone on ebay selling them in batches of 20. That's way more than I

Not sure how many times I will need to post this on the forum, but here's Hugo Holden"s brilliant do-it-yourself battery/ram replacement with new technology:

Not that I have ever seen. There are some versions of the manual that have two capacitor numbers swapped on the parts diagram... But, if you remove the old, and stuff the new capacitors one at a time,

Thanks for clarifying that, Chuck. Was there a different model where that was a problem? I seem to recall the issue but don't recall which model(s) were affected. Hopefully I'm not crossing up Tek and

All of the capacitors on the 2465 supplies have their polarity markers pointing in the same direction. A few are non-polar electrolytics, which don't matter. -Chuck Harris wrote:

Shielded mains cords just move the noise to the next open spot, which is the unshielded plastic boxes, and unshielded ROMEX wiring used in most USA houses. Better would be to put one of the snap-on

I don't recall exactly to which model(s) this may apply, but I think one of the 24xx models have the polarity marked incorrectly on the PC board for one of the filter capacitors. Apologies if I have

Hi all, what is an OK functioning Tek 2205 worth in terms of replacement parts? Does it have anything that's worth in order to repair other scopes? I have someone who might give me one of those for

Ozan, I do know these can be swapped in some manuals. I made sure to change the parts one at a time to make sure. It is good to remind us to keep from blowing parts. Anyone of us can make a mistake

You may already know but at least in some service manuals component placement diagram shows location of C1132 and C1115 swapped (wrong). This was the case for my 2467B, I assume it also applies to

iv3ddm C1132 would be 160V. C1120 can be 100V. C1130 would be 160V. If you want to use the original values of capacitance, fine. They can be higher capacitance if you want. C1101 and C1102 would be

I’ll be more than happy to take it. Cheers

Free to a good home: Ciebo DS-750 development tools kit for Philips 87C750 I expect this is largely limited to historical interest, but I hate sending this to the landfill if there is the remotest

Mark, Reach out to Chuck Harris on this list. He replaced my NVRAM. Not sure if he would do just a board or well he needs the whole scope, but you can ask him. Mark

Sorry Mark, I ask for 2 clarifications: I should use 647-ULD2C100MPD1TD (10uF, 160v.) Also instead of 10uF, 100v. (C1120 etc.) or only for C1132? Which are the capacitors where to use of the

It's strange. With a DMM I could not find a connection of 2N2907A-base to any other component in the neighborhood or a A/B contact. But then the pair of NPN transistors with their bases to the B7 and