Hello all,
I was able to clean the pot from the front-panel sub assy after un-soldering it. But not by opening the pot enclosure because it's all molded. I saw a video on YouTube in which the guy could push out some of the pins securing the pot but I couldn't here. Fortunately, in the back of the pot, there are holes from which I successfully injected the spray and it did work. The reading is now stable and the > no longer appears incoherently which is cool. For now, it seems that the scope is fully functional and that is good. I updated the PDF files with new pictures in the folder section. Thanks again for your help!
Cheers,
Christophe
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