Products > Test Equipment
Tektronix 2235 repair thread
Ze Pink Panther:
Thank you, Sir!
You've made my day...
Best regards,
ZPP
golashki:
Hi, I'm new here and I would like to ask you about repairing 2235 :)
I bought a Tektronix 2235 (a great, beautiful oscilloscope!). Unfortunately, the switch on the "Timing board" PCB is damaged. There is a completely cracked "knob insert" connecting the shaft to the Time Base "A" switch. Unfortunately, as a result of my inexperience, while taking the switch apart, I did not notice that the switches (those brown blocks) have no internal limiters and, additionally, they rotate very easily when the shaft is pulled out. In this way, I lost the "axial alignment" of the complex switch between its elements. The "knob insert" itself can be glued together, but it was problematic to assemble the switch to work as intended.
So I have two questions:
- if anyone can sell the whole "Timing board" for 2235/2236 or the working switch itself (or broken, but not taken apart).
The second beginner's question - is how to disassemble such complicated switches to avoid axial shifts of their position? Maybe someone has such experience and may want to share some proven ways how to fix alignment in multi-module switches, etc.
David Hess:
--- Quote from: golashki on November 23, 2022, 04:12:13 pm ---The second beginner's question - is how to disassemble such complicated switches to avoid axial shifts of their position? Maybe someone has such experience and may want to share some proven ways how to fix alignment in multi-module switches, etc.
--- End quote ---
I have done that a couple times and I used the schematic diagram to realign the cams when I put the switch back together.
golashki:
Yes, unfortunately, the same path awaits me. I thought there is some way to facilitate this procedure. Thanks :)
Eduardo Millan:
Hola, tengo este mismo modelo pero esta quemado el Flyback-Se puede conseguir uno nuevo? Gracias
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