The beam intensity adjustment on my Tek 475 appears to have a bunch of spots along the first 30% of its travel where it jumps from near zero intensity to full intensity, but the "jumps" only occur if

I've just pulled out my 212 scope from storage for its time on the healing bench, and found that the previous owner discarded the old internal batteries along with the end caps. Does anyone have a set

Hijacking this thread under a new subject. I have a 2465B whose front panel is a bit flaky. Most of the time it's usable, but it occasionally has freakouts where the LEDs flash, display flashes, etc.

Hi I have a 2465B on my bench that shifted the entire display to the far left when I turned my back on it. I can just see the ends of the traces at the left edge of the screen when I adjust the positi

I have belatedly thought of another route to examining this oddity. Apart from Siggi and Carsten contacting me directly, maybe others might like to give it a try? My email address can be extracted fro

I'm currently restoring and testing my PS503A 500 series module power supply, and I have found the output is a little noisy compared to what it says in the specs. I've removed and tested all the capac

Thank you all for the continued support, specially Siggi and Leo. Since it seems that I will need to calibrate the scope anyway, I need to replace the dead NVRAM. There is a very good article suggesti

Hello - I am new to this group and generally am very much a beginner with electronics. I recently acquired a couple of TDS scopes - a 640a and a 510a. The 510a has a dead power supply. I went through

I am looking for some length of the p6042 current probe cable. It again broke where the cable enters the amplifier, and it is already shortened from the last time(s) this happened that removing the ba

I recently acquired a Tektronix 468. When powered up (with digital mode turned off) it will occasionally display a good trace but usually there is no horizontal sweep. The time-base is working but the

Hi, is there someone with a 7D01 logic analyzer? I would like to know the screen update rate in free sample mode, I have a HP1631 and is about four screens for second Can you upload a video? I've been

The following files have been uploaded to the Files area of the TekScopes@groups.io group. /TEKTRONIX_2465b_OSCILLOSCOPE_CALIBRATION___REPOWERING_THE_DS1225.pdf By: Rogerio O Description: Article disc

Having moved up to an 11801 and TDS694, I now have three Type 3 and K213 carts (unclear on the difference) surplus to needs. Two in downtown Boston, one in Waltham. Pick them up and they're yours for

Hello - I have a TDS 510A and a 640A, with only one set of buttons between them. I looked into buying set, but they are around $100 shipped, which is hardly worth the expense. So I decided to use this

The following photos have been uploaded to the A5 repair attempt album of the TekScopes@groups.io group. 2465B FRAM TL866.jpg FM16W08_Adapter_for _TL866A.jpg By: Rogerio O

Does anyone have any idea if Dennis Tillman is still ok? I was having some conversation with him a little while ago, but he has gone quiet since I gave him another email address for me in a PM.He does

it was the horizontal pos potentiometer. Dummy me, I am used to analog scopes and since the trace did not start all the way to left, I missed it, the visible trace start is set by the MCU and it is co

From Tim P (UK) I ask here as I saw this mentioned regarding a Tek 22xx-series(?) My problem is a Philips PM3311 which popped a RIFA capacitor, with copious amounts of smoke. The PM3311 has this cap a

I got a Tek 224 a few weeks back, that seemed to be completely dead. I found a defective high voltage ceramic cap and the high voltage transformer had an internal short. Replaced the transformer with

The vertical position pots and the beam intensity pot on my Tek 475 oscilloscope are stiff and scratchy. The service manual says that they are pre-lubricated and sealed, and that no regular lubricatio