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fretbass

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    Belgium

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  1. I bought a broken M87 on reverb and wanted to share my repair experience: The broken unit was stuck with no sounds and all the gain reduction LEDs on. I could get it working by shorting two pins on the ratio switch, but it didn't really compress the sound enough. First, I first replaced the TLC2262 with a new AD822. This did not change the problem. Then, I replaced the ratio switch with a new one and now it works. I bought it here: https://eu.mouser.com/ProductDetail/Alpha-Taiwan/SR1712F-0204-20F0A-N9-N-027?qs=8%2Br4Hz5Xir8jgfyVwPHVzQ%3D%3D I had to destroy the old switch to get it out (very hard desoldering job for an amateur like me). Without this page, I couldn't have repaired it, so thanks a lot.
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