Alps Rotary Switch Dropout Issues for Input Select (e.g. Onkyo, Yamaha, Creek)

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tiefbassuebertr

tiefbassuebertr

Member
Joined 2005
tiefbassuebertragung.de
biomed0101 said:
Ah many thanks tiefbassübertr, I'll look into the links you have submitted. Anyway, I think I'll reuse the switch, this amp is very dear to me and I'd like to have it in it's original state as much as possible.
Click to expand...
check out for this procedure the images in post #1+12.
Some years ago I have made this on same devices from Onkyo and Creek.

Choosing this switch from ALPS for such amplifiers wasn't a good decision - some other rotary switches in open version - go to
https://www.ebay.com/itm/124912532841
(10-20 years older than this ALPS model) haven't any contact problems after cleaning with contact spray like tuner 600 (in opposite to this ALPS model).
The main reason for the extensive oxidation seems to be the the used contact grease (also a great issue on plastic rotary switches from LORLIN - go to
https://www.diyaudio.com/community/...rlin-rotary-switch-replace-by-elma-04.308235/)
 
Last edited:
Roppu

Roppu

Member
Joined 2021
Hi tiefbassuebertr.
Happy new year.
I'm doing the same cleanup on my Arcam Delta 290 rotary switch. I've found Alps to use grease too on the contacts. What did you use in place of the grease?
The photo was taken before cleaning it

IMG_20231230_042827.jpg
 
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