CRT Discharge Procedure: Revision history

23 September 2026

• curprev 02:1502:15, 23 September 2026 Josh talk contribs 14,057 bytes −45 Remove self-referential wording per house rule undo
• curprev 02:0502:05, 23 September 2026 Josh talk contribs 14,102 bytes +11,126 Rewrite against Apple Service Guide 1990 and Goldwasser CRT notes: corrected earth-return point (ground lug, never logic board), added never-wear-a-wrist-strap rule and implosion/goggles hazard, replaced unsourced 25 kV blanket with sourced per-class figures, replaced dead-short tool with resistive tooling, removed invented 30-min wait / 10-s hold / 10-15-min re-discharge interval, added ongoing shorting lead and aquadag mechanism; full ref citations undo

25 May 2025

• curprev 09:2309:23, 25 May 2025 Josh talk contribs 2,976 bytes −4 →⚡ How to Build a Discharge Tool undo Tag: Visual edit
• curprev 09:2309:23, 25 May 2025 Josh talk contribs 2,980 bytes −61 No edit summary undo

4 April 2025

• curprev 22:3622:36, 4 April 2025 Josh talk contribs 3,041 bytes +59 No edit summary undo Tag: Visual edit
• curprev 22:3422:34, 4 April 2025 Josh talk contribs 2,982 bytes +143 No edit summary undo Tag: Visual edit
• curprev 22:3122:31, 4 April 2025 Josh talk contribs 2,839 bytes −43 No edit summary undo Tag: Visual edit: Switched
• curprev 22:3122:31, 4 April 2025 Josh talk contribs 2,882 bytes +2,882 Created page with "__NOTOC__ = ⚡ CRT Discharge Procedure = Cathode Ray Tubes (CRTs), used in vintage Macintosh and other classic computers, can '''retain a dangerous high voltage charge for hours or even days''' after being powered off. To avoid '''electric shock or injury''', proper discharge is essential before performing internal repairs. == ⚠️ Safety Warning == Working with CRTs involves potentially lethal voltages ('''up to 25,000 volts'''). You should **only discharge a CRT*..." Tag: Visual edit: Switched