S2 / S3 slider repair

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Morphology
Posts: 1
Joined: Tue Nov 20, 2018 2:06 pm
Great Britain

S2 / S3 slider repair

Unread post by Morphology » Tue Nov 20, 2018 2:37 pm

I recently repaired the master volume slider on a GEM S3 Turbo, and just wanted to share the details in case it helps anyone.

All of the slider potentiometers on the front panel are 10k Linear, 45mm long, with 30mm of Travel. I found getting hold of something compatible was a real issue, particularly matching the footprint & the lever profile.

I ended up buying a couple of these from Ali Express:

https://www.aliexpress.com/item/1pcs-45 ... 94807.html

They have the correct physical footprint, but the wrong electrical footprint and lever shape. So I dismantled the slider I'd removed from the S3 and swapped its lever into the newly purchased one - it's a simple enough job, just prise open the can and swap the parts over (having given them a good clean first).

Once soldered back in, all that was required was to link two pins on the rear of the circuit board. A few photos follow:

https://flic.kr/p/2cXTgbE
https://flic.kr/p/2d3eF8T
https://flic.kr/p/2cXTg4q
https://flic.kr/p/2bWdHGQ
https://flic.kr/p/2cXTfWw
https://flic.kr/p/2bWdHFh
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