Commodore PET 2001 Capacitor Replacement Guide: Difference between revisions

Created page with "<templatestyles src="Template:StyledTable/styles.css" /> = 🧰 Commodore PET 2001 Capacitor Replacement Guide = The first-generation '''PET 2001''' (1977 – 1979)—assemblies 320008 / 320081 / 320132—uses a simple linear supply together with an internal 9" monochrome CRT. After forty-plus years, the original electrolytic capacitors are at (or past) their design life. Re-capping: * stabilises the +5 V / +12 V rails used by the logic and VIC video section, * re..."
 
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== 🔍 Visual Inspection ==
== 🔍 Visual Inspection ==
{| class="plainlinks" style="margin:0 0 1em 1em; float:right;"
| [[File:PET2001_PS_caps.jpg|180px|thumb|Typical PSU caps (C9, C10)]]
| [[File:PET2001_Video_caps.jpg|180px|thumb|Leaking 220 µF/200 V on video board]]
|}
* '''Bulging or domed tops''' – particularly the two large 4 700 µF smoothing cans (C9 & C10).   
* '''Bulging or domed tops''' – particularly the two large 4 700 µF smoothing cans (C9 & C10).   
* '''Brown crust''' or green verdigris at the rubber bungs.   
* '''Brown crust''' or green verdigris at the rubber bungs.   
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== 🔗 Related Pages ==
== 🔗 Related Pages ==
* [[Commodore PET 2001 Troubleshooting Guide]]  
* [[Commodore PET 2001 Troubleshooting|Commodore PET 2001 Troubleshooting Guide]]
* [[Commodore VIC-20 Capacitor Replacement Guide]]
* [[Commodore VIC-20 Capacitor Replacement Guide]]