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Macintosh Centris 660AV General Maintenance: Revision history

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23 September 2026

  • curprev 21:1021:10, 23 September 2026 Josh talk contribs 17,119 bytes +199 Add the board photograph as a component location map undo
  • curprev 20:5320:53, 23 September 2026 Josh talk contribs 16,920 bytes +12,425 Rewrite against Apple's Centris 660AV/Quadra 660AV Service Source and the now-hosted Quadra 840AV/Centris 660AV Developer Note: DELETED the '+5V 4.85-5.15V / +12V 11.9-12.7V' table - Apple publishes no rail tolerance or adjustment procedure; DELETED 'belt deterioration (auto-inject models)' - the Apple SuperDrive is direct drive and has no belt; invented 'replace every 3-5 years' replaced with Apple's below-3.2 V check; vinegar replaced with bicarbonate for a lithium cell; real capacitor comp... undo

10 February 2026

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