General > General Technical Chat
Problem with rigol scope knob
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Mechatrommer:
ok, thanx for the report. will be helpful if some of us got this problem.
oliver602:
Searched google about this and got this forum!

I have a month old DS1052E and have noticed its horizontal scale knob is jittery when trying to zoom in or out fairly quick. All the rest are fine. Still under warranty so pretty reluctant to open it.
crypton:
Ehh, apologies for ressurrecting a dinosaur (maybe it can be changed to a new topic IF necessary but I would keep it here under one place / same issue).  :-[

I've found an unit that wasn't in use due to those flacky encoders.

Very well, followed the instructions and I have now used these encoders:

858-EN11-HSM1AF15 - for channel timebase - works flawlessly.

For the other 4 encoders there's been suggested:
858-EN12-HS22AF20
652-PEC11R4315FS0012

Some claim that these "work" but for both of them I see them skip many values. For the 'menu' encoder they skips about 3 values. For instance intensity increases/decreases in increments of 3.
Don't remember this happening on the original encoders.

Position is also incerementing in bigger steps. When I ever so slightly move the encoder I could get smaller increments but with dentents the steps seem quite uneven - not good.

So I've spent quite some bucks(euros :P) on testing different encoders for the menu and hor., ver. positions (ch and trig) but these 4 havent worked as expected.  |O

Curiously enough I haven't seen any reference to what encoder one should use for that to work on Rigol DS1052E. Maybe someone can point me (and for future reference) to the 'correct' ones ?

Chicopy:
Have anybody successfully replaced the Horizontal position knob (or any of the 4 that look the same) on DS1052E ?
I saw several discussions about the encoders used, but I still miss clear answer what type is 100% perfect, either original type or a one that works exactly as original.
Some types mentioned became obsolete, some unable to find..
MF-jockey:
I was able to solve the problem with additional capacitors on my OWON SDS7102. Should also help here, as the technology in the Rigol is often the same.
You can find the solution to the problem here:
https://www.eevblog.com/forum/testgear/owon-sds7102v-problem-with-encoders/msg3479200/#msg3479200
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