Roland Alpha Juno 2: Difference between revisions

Roland Alpha Juno 2 (view source)

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Lunotron

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Revision as of 21:14, 24 June 2024 (view source) Lunotron (talk \| contribs) (leaked caps) Tag: Visual edit ← Older edit		Revision as of 19:11, 2 July 2024 (view source) Lunotron (talk \| contribs) mNo edit summary Tag: Visual edit Newer edit →
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Line 1: == Mod-wheel / bender == [[File:Bender mounting.jpg\|alt=mod-wheel assembly\|thumb\|mod-wheel assembly\|300x300px]] If the mod-wheel has no hearable effect, but is movable and snapping towards the middle, the small black hexagon screw (seen in the middle of the picture on the right) is eventually not tightened. Just tighten that screw and test the bender again. If then the bender has a hearable effect, but ~~got~~gets stuck or moves to its middle very slowly, the cause can be a stuck axis of the pot. To solve this, open the hexagon screw again, and also other screws so you can disassemble the bender parts. Put a suitable contact spray (I've used WD40) onto the axis of the pot. ~~Then turn~~Turn the axis a minute or so back and forth until it's getting at least a bit more movable. After some hours the contact spray will become even more distributed by itself between the axis and the pot housing, ~~and~~now the pot will be easy movable. == Leaked caps ==▼ In my case, there was cracking sound and suddenly no sound at all, because of leaked caps C11 and C12: They damaged the conductor beneath. The faulty caps had to be removed, the conductor patched with wire, and the caps replaced with same capacity and voltage (or higher voltage).▼ The forward-pressing feature of the bender can also do just nothing: There is a small pressure sensor. The piece of ribbon inside seems to lose it's ability for appropriate conduction over time. It is taking apart in the following two pictures: ▲== Leaked caps == ▲In my case, there was cracking sound and suddenly no sound at all, because of leaked caps C11 and C12: They damaged the conductor beneath. ~~The~~Remove the faulty caps, ~~had to be removed,~~check the conductor ~~patched with wire~~, and replace the caps ~~replaced~~ with same capacity and same voltage (or higher voltage). [[File:Leaked caps.jpg\|none\|thumb\|leaked caps]] [[File:Removed caps.jpg\|none\|thumb\|removed caps showing damaged conductor]] [[Category:Instrument repairs]]