Hi guys, im looking for a missing knob of the trace positioning (see pic below) https://i.gyazo.com/8e018f12acdef8d57bc2c949135d350f.jpg The original part number is 366-1027-00, unfortunately i cant f

Previously you might have noticed I have an issue with the 577 curve tracer where the IV curve has an offset problem, click the link below to see a picture that demonstrates the problem https://groups

Due to a freak accident, the shaft of the Variable Holdoff potentiometer broke and I need to replace it. The details are: R9521 311-2146-00 Res, Var, Nonwir: 50 ohm, 20% 0.5W CM41773 It is a Clairstat

This book is being held in the main USPS Seattle Network Distribution Center: Tracking #: 9549016335941002723034, Zip Code: 67212 (Wichita, KS) This news story may have something to do with why it has

I believe the following report from the Hampden County MA 22NEWS explains why these 6 Peter Keller books are being held in the main USPS Seattle Network Distribution Center. Tracking #: 95490163359410

Hi All, I peruse the Auction site HiBid for items of interest to me (note: Hibid is a "consolidation" website that helps auction places all across the country have one centralized web location). I als

Peter Keller asked me to pass this along to the group. I'm sure he was smiling the entire time he wrote it. Dennis Tillman W7pF I guess it is time for the real story of the Coketron to be exposed. The

Dennis – I hope you don’t consider this off topic. It is not on repairing a classic Tek scope – but an aspect on how they were made. After reading the posting from the Peter Keller on the Coketron, it

Hi all, I recently picked up a P6137 scope probe for a song and thought I'd try my luck. Predictably, the center conductor on the cable is open circuit..... Is there any way to repair or replace this

Someone here (I believe) was preparing a BOM for the Jared Cabot TM500 tester but with DigiKey stock numbers. Has that been completed? And, one capacitor P/N was incorrect; what was that? Note that in

Hi, On my 2465, the Ch1 BNC is slightly "loose", and the signal is intermittent depending on which way the probe cable/connector tugs on it. The connector seems to be integral to the A10 attenuator as

Is there any source for the slip-on "grabbers" for the P6105 probe. These are Tek P/N 013-0107-0. I seem to have lost one. This will teach me not to keep a trash bucket under the scope on the scope-mo

Hi Folks - I'm seeing an intermittent intensity modulation at line frequency on my 564, and have been unable to measure the source. I've tried both a 3B3 timebase, and a 3A72 in the horizontal slot wi

Hi, I recently adquire this unit I had a diplexder and WG so to be able to increase the 21GHz frequency but this unit does not go over the 21GHz limit. It does not appear to have any options but it do

Hi Group, Some years ago I got 2 basket case scopes. The problems involved a leaky diode and bad trigger chip in one and for both I decided to remove the batteries, and not have them internal to the s

Hi all, I have been accumulating TM500 modules and mainframes for a little while, so I recently finished building an 067-1201-99 TM500 mainframe tester from the Tek construction notes floating around.

Hello All I have a 2247a and when I put it in the voltmeter mode and pick Peak to Peak the cursers are not touching the peaks of the wave form. Is this normal or do i need to get the service manual ou

All: Looking for a replacement Probe tip for P6133 - This could be 206-0265-12 or 206-0265-13. New or Good Used would be fine. Anyone who has and extra one and would be willing to sell it, please cont

The following photos have been uploaded to the Tek 492BP album of the TekScopes@groups.io group. Tek_492_SwitchSettings.jpg By: d.schilling.net@...

Hi guys ! The newbie is back ! Some news : PSU of the 485 delivers proper Low Voltage, I had to adjust the calibrator amplitude (the 5V was out of spec +/- 5mV). I've been checking (visually) several