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Commodore VIC-20 Capacitor Replacement Guide
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== Post-Recap Voltage Checks == {| class="wikitable styled-table" style="width:75%; text-align:center;" |+'''Expected Rails (No-Cartridge, BASIC Prompt)''' ! Test Point !! Early 324003 !! CR 250403 !! Notes |- | +5 V (6502 pin 40) || 4.95 – 5.10 V || 4.95 – 5.10 V || Regulator (early) vs external PSU |- | +12 V (VIC pin 28) || 11.6 – 12.6 V || 11.6 – 12.6 V || Derived from 9 VAC doubler |- | 9 VAC (cassette port pin 4) || 8.5 – 10.0 V AC || same || Drives tape motor & 12 V doubler |} ''An oscilloscope should show < 50 mV p-p ripple on +5 V after recap.''
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