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Uh, it would be nice if I could find where the caps on the +5V line are located! I don't see anything on the A11 Low Voltage Board schematic. I assume the voltages from the LV board are distributed to

That was 'The Outer Limits' and it ran all day on the 4th of July on Me TV. How many of you got into electronics after watching the 'Galaxy Being' episode? I know several AM radio engineers who claim

You can build a simple TDR with a 74AC14, some resistors and a couple capacitors.

Do as old TV show did - YOU control the horizontal - time sweep and vertical - input scale. Does the scope have "trace locator" button? Use it to center a "point " on screen. Does the cope has

There's 4 or 5 TO-39 transistors on the CRT neck board. One of them is prone to shorting and causing that problem. Later revisions had a heatsink on it to keep it cooler. Sometimes it will be

ALL OF THE ABOVE GO INTO 5000 OSCILLOSCOPES AND DO NOT FIT INTO A TM5000 mainframe. There's a compatibility list in the archives here. IIRC, the answer is no.

The shaft size is 0.125 in or ~3.2mm. I didnt take the 368 back apart but the one i cobbled together in it is the same I'm almost certain. Sorry for the delay in responding. The small dish amplifiers

Here's what the ripple voltages measured in volts peak to peak: -50V: 20m -15V: 20m +5V: 3 +15V: 20m +50V: 10m +130V: 0.2 So, all out of spec except for +130V, and +5V way out. +5V was a high duty

Sounds like you have enough scope for the moment. You should use the probes. You have an electrical graph. The Y axis (vertical) is almost always the voltage. The X axis (horizontal) is almost always

Sorry, our internet has been dead . Let me measure and get back to you, thanks, Russ -- Good j

Sorry, our internet has been dead . Let me measure and get back. Thank you, Russ -- Good judg

Thanks, everybody, for your help. Here's where I am now: Primary not open; it measures about 3 ohms with the on/off switch on (obviously open with it off!). Poked around P1171 and measured DC

David, they absolutely don't want to offer it. I just mailed a book (a user guide for a camera) to a friend. The counter agent was funny. I handed the package over and said "it's a book and it should

Hi Larry, Your question got me wondering about this, so I took the side cover off of an SC504 to have a look. The service manual mechanical parts diagram shows the knob has a longer part that goes

This is the issue https://photos.app.goo.gl/KaWtkFv4a7bBJrZt8

I didn't look at text website for service information do you have the URL or can I just type in 11403 ?

You have some conflicting terms. The 5Axx modules are 5000 series oscilloscope amplifier plugins. They are not compatible with the TM500/TM5000 series mainframes. The AM502 is a TM500 plugin. It is

Hi all, first post here. I'm looking to set up a TM 5000 series mainframe and trying to sort out the compatibility gotchas before I "pull the trigger" on one of these. My main interest is in the

Not sure exactly what your question is, but I've removed the panel/trim from several 1140x's to gain access to the crt, using the procedure in the service manual on Tek's website, and I don't recall