Commodore VIC-20 Capacitor Replacement Guide: Difference between revisions
Created page with "<templatestyles src="Template:StyledTable/styles.css" /> '''Replacing electrolytic capacitors (“recapping”) in a Commodore VIC-20 is one of the highest-impact reliability upgrades you can perform.''' A fresh capacitor set restores clean DC rails, reduces video noise, cures random resets, and protects rare MOS chips from over-ripple voltage spikes. == 🔍 Visual Inspection & Failure Signs == * '''Bulging tops''' – Any domed aluminium case is a near-certain fail..." |
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! Board Ref !! Capacitance !! Voltage !! Purpose (rail / circuit) | ! Board Ref !! Capacitance !! Voltage !! Purpose (rail / circuit) | ||
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| C10 || 100 µF || 16 V || 9 VAC ► +5 V pre-reg filter | | C10 || 100 µF || 16 V || 9 VAC ► +5 V pre-reg filter | ||
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| C11 || 4 700 µF || 10 V || Main +5 V bulk filter | | C11 || 4 700 µF || 10 V || Main +5 V bulk filter | ||
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| C12 || 220 µF || 25 V || +12 V line for VIC analogue core | | C12 || 220 µF || 25 V || +12 V line for VIC analogue core | ||
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| C13 || 1 000 µF || 16 V || Secondary +5 V smoothing (regulator out) | | C13 || 1 000 µF || 16 V || Secondary +5 V smoothing (regulator out) | ||
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| C18 || 10 µF || 16 V || Power-on reset RC timer | | C18 || 10 µF || 16 V || Power-on reset RC timer | ||
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| C90 || 3.3 µF || 50 V || Audio-path coupling (VIC DAC) | | C90 || 3.3 µF || 50 V || Audio-path coupling (VIC DAC) | ||
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| C91 || 470 µF || 10 V || Datasette motor supply filter | | C91 || 470 µF || 10 V || Datasette motor supply filter | ||
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