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Commodore 64 Capacitor Replacement Guide
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== Visual Inspection & Failure Signs == * '''Bulging or leaning cans''' – especially the tall 4 700 µF reservoir (C88/C89). * '''Leakage residue''' – brown/green crust at base of C90 (colour-RAM decoupler) is common. * '''Ripple / hum on audio''' – audible buzz that follows screen brightness often tracks to dried-out C13 (SID analogue rail) or the RF-modulator’s 100 µF pair. * '''Intermittent reset when warm''' – C15 (10 µF reset RC) high-ESR causes POR threshold to mis-trip. If '''one''' capacitor shows trouble, replace '''all''' electrolytics on the board.
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