Commodore PET 2001 Troubleshooting: Revision history

16 July 2026

• curprev 00:2300:23, 16 July 2026 Josh talk contribs 10,946 bytes +3,224 Expand troubleshooting: garbage-screen ROM/RAM + 74LS244, socket reseat, PSU Molex wobble/78L05, video timing, 6545 CRTC; cited (Tynemouth/6502.org) undo

12 May 2025

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17 April 2025

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• curprev 18:1818:18, 17 April 2025 Josh talk contribs 8,240 bytes +8,240 Created page with "= 🛠️ Commodore PET 2001 Troubleshooting Guide = This guide provides a comprehensive troubleshooting reference for the Commodore PET 2001 personal computer. It focuses on common faults specific to the PET 2001 (original models with MOS 6502 CPU, 6540 ROMs, 6550 SRAM, etc.) and offers diagnostic steps and solutions. Use this guide alongside general maintenance practices (see PET 2001 General Maintenance) and refer to the PET schematics (see PET 2001 Schematics..."