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Thanks Cslim.? I didnt get much time to work on it today.? But did do some visual inspection.? Many of the caps apear similar in color (copper/gold color) and manufacture.? I believe they are

This link doesn't seem to be working. Try this one: http://tech.groups.yahoo.com/group/TekScopes/files/U800/ Dave -=-=-=-

I'm bookmarking this. Thanks! -- George Sent from my iPad

Since I sent the parallel resistance spreadsheet to the forum many members have responded asking for a version that works in Excel. I am attaching such a file that works in Excel and it is

U2110 (LM308 style low bias current bipolar operational amplifier) is configured as a differential amplifier. The signal ground that the tu

Thanks Dennis, I will change my setup and remove the 7815 so it get ?> 16V unregulated. I will use a 1000 uF buffer. That should keep the lowest voltage in the ripple above 16V, but that is easy to

Hi Walter, I recently acquired a "regular" Tek 465 scope. Would the 465M front cover fit the 465? Thx, Al From: TekScopes@... [mailto:TekScopes@...] On Behalf Of wshawlee2

Try www.ebaman.com. It contains a copy of the army version service manual, it is complete and a good scan. You have to register to get access to the files, but it's free. You will find it in the Test

I just received a type 134 current probe amplifier with a newer power supply I hadn’t seen before. (see attached picture) Instead of the classic power supply, Tek used a power cube (model 3310) that

7B80, and therefore also very likely in any of 7B50A, 7B85, 7B87 (but please don't steal one from a working 7B87). Dave

I beleive I need a 155-0049-02 chip to fix the sweep issue with my 465 scope. Anyone know the best place to locate one????

I built some new packs and installed them in my Tex 214: It now works like champ. Getting the boards aligned up and stuffed back in that little case took a few tries, but it's working again. Now I

Dennis Here is another calculator that does a good job. Serial or parallel http://www.darkwooddesigns.co.uk/pc2/resistors.html Derward Myrick KD5WWI

My vote is for dirty contacts on the mode switch, selecting A, B, added, alternate, etc. Bob

Walter, I'll take the 7854 PWBs. Cheers, DaveD

I know somebody out there asked me for 7854 boards, but I have totally lost track of who. I found a big pile of them (when did we get THOSE??? no idea..), all neatly wrapped from a salvaged scope.

Not able to access this spreadsheet link using my iPad. There is one capacitor, c1101, which is just above the rows of diodes and beside the transformer, it is a 100uf cap. This must be a 100 uf cap

Thank you kind sir. The kind of informative answer I was hoping for, much appreciated and actually understood... I shall indeed refrain from the obvious question.. as requested. *smile* From:

<tractormananson@...> wrote: I do not know that this is the problem but when the trigger mode is set to AUTO and there is no trigger, the sweep will free run after the trigger timeout expires to

Yes I do have the manual. I have both the original hard copy and the PDF. I am glad I have both it makes things much easier. And with the internet these days finding help is easy and you get quick