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Post ATDhWSZBlUWV3FeQAS by [email protected] |
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More posts by [email protected] |
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Post #ATDeteNphFlGUyhp4K by [email protected] |
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normal people occasionally buy potentiometers to repair crappy speakers from th… |
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Post #ATDfDEPZy8UnjwrMKu by [email protected] |
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they're so crappy and 90sI just have to fix them |
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Post #ATDfjUOK5lr8ZDeb32 by [email protected] |
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@foone oh god I definitely had those at one point |
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Post #ATDfjUSvodXgnVoHEO by [email protected] |
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@TechConnectify everyone did! they were everywhere! because they cost 2$ to mak… |
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Post #ATDfsf9nR1KGYwEWu0 by [email protected] |
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I honestly didn't expect this much stuff inside them. |
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Post #ATDfsiSLAWwSnJvsiu by [email protected] |
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That one chip is a KA2209 dual low voltage power amplifier. |
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Post #ATDgYPI6oXifWA1iAC by [email protected] |
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I haven't yet reversed the whole circuit but it does look suspiciously like… |
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Post #ATDgwmDlDH3DaEc4fI by [email protected] |
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There's the problem! The dual potentiometer appears to have a PCB that'… |
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Post #ATDhKZQASEOWpqlJHk by [email protected] |
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yep. it sploded |
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Post #ATDhWSZBlUWV3FeQAS by [email protected] |
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@foone I like how every single time I run across this design, it always has a d… |
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Post #ATDhWSdnUMD3HXo6Lo by [email protected] |
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@ecn the OEM may have not had a logo, and just designed them for rebranding! |
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Post #ATFKFcJoLRgdkCNU24 by [email protected] |
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I reverse engineered the PCB. (I am not an EE. is it obvious?) |
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Post #ATIAjfJpL2GdfYxF3Y by [email protected] |
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there's nothing really to show off, but I soldered in the new dual-pot and … |
