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- 21:17, 1 October 2020 diff hist +79 Williams System 3 - 7 →Further Recommended Reliability Improvements
- 20:33, 1 October 2020 diff hist 0 N File:System7DiagnosticLEDAddition.jpg
- 19:48, 1 October 2020 diff hist 0 N File:System7LEDAddition.jpg current
- 17:48, 29 September 2020 diff hist -1 Williams System 3 - 7 →Adding a Blanking Indication LED to the System 7 MPU Board
- 17:46, 29 September 2020 diff hist 0 File:System7Blanking-1.jpg Chibler uploaded a new version of File:System7Blanking-1.jpg current
- 17:39, 29 September 2020 diff hist +3 Williams System 3 - 7 →Adding a Blanking Indication LED to the System 7 MPU Board
- 17:28, 29 September 2020 diff hist +308 Williams System 3 - 7 →Adding a Blanking Indication LED to the System 7 MPU Board
- 17:23, 29 September 2020 diff hist -50 Williams System 3 - 7 →Adding a Blanking Indication LED to the System 7 MPU Board
- 17:15, 29 September 2020 diff hist +1,326 Williams System 3 - 7 →The Blanking Circuit
- 17:01, 29 September 2020 diff hist 0 N File:System7Blanking-3.jpg current
- 16:59, 29 September 2020 diff hist 0 N File:System7Blanking-2.jpg current
- 16:57, 29 September 2020 diff hist 0 N File:System7Blanking-1.jpg
- 12:35, 27 September 2020 diff hist +239 Williams WPC →Removing or Installing the ASIC
- 17:31, 25 September 2020 diff hist -4 Add/Enable Free Play →WPC
- 17:27, 25 September 2020 diff hist -9 Add/Enable Free Play →System 80B
- 17:26, 25 September 2020 diff hist -9 Add/Enable Free Play →System 80
- 17:26, 25 September 2020 diff hist -9 Add/Enable Free Play →System 1
- 12:32, 22 September 2020 diff hist +1,149 Williams WPC →Lamp Issue Caused by Connecting "Growth" Connectors: Added JD lamp matrix issue
- 12:21, 22 September 2020 diff hist 0 N File:LampMatrixHeadache.jpg current
- 12:20, 22 September 2020 diff hist 0 N File:WPCErroneousConnection-2.jpg current
- 12:19, 22 September 2020 diff hist 0 N File:WPCErroneousConnection-1.jpg current
- 12:10, 22 September 2020 diff hist +65 Williams WPC →Controlled Lamp Problems
- 10:23, 21 September 2020 diff hist +43 Gottlieb System 80 →Replacing the 2N6057 with a TIP-102
- 21:14, 20 September 2020 diff hist +199 Bally 6803 →Squawk & Talk
- 19:10, 16 September 2020 diff hist +11 Williams WPC →WPC 16 Opto Board (A-16998, A-17223)
- 18:48, 15 September 2020 diff hist +37 Data East/Sega →Official Data East Test ROM
- 18:28, 15 September 2020 diff hist +18 Data East/Sega →Official Data East Test ROM
- 18:26, 15 September 2020 diff hist +2,751 Data East/Sega →Using a PC Power Supply for Bench Testing
- 20:41, 3 September 2020 diff hist +110 Williams System 3 - 7 →Further Recommended Reliability Improvements
- 20:37, 3 September 2020 diff hist +2 Williams System 3 - 7 →Built In Diagnostics
- 20:36, 3 September 2020 diff hist +172 Williams System 3 - 7 →Built In Diagnostics
- 12:51, 3 September 2020 diff hist +5,026 Williams System 3 - 7 →Problems and Fixes
- 12:49, 3 September 2020 diff hist -5,026 Williams System 3 - 7 →Built In Diagnostics
- 20:50, 28 August 2020 diff hist +242 Gottlieb System 80 →System 80 / 80A Sound & Speech Power Supply
- 19:28, 25 August 2020 diff hist 0 Williams System 3 - 7 →The "Once Dreaded" 40-way Connector
- 19:22, 25 August 2020 diff hist +172 Williams System 3 - 7 →The Blanking Circuit
- 19:16, 25 August 2020 diff hist +1 Williams System 3 - 7 →An Alternative to Rebuilding the Reset Circuit (System 6 and 6a)
- 20:50, 24 August 2020 diff hist +1,013 Gottlieb System 1 →Tilt Switch Not Sensed Accurately with Ni-Wumpf MPU Installed
- 20:36, 24 August 2020 diff hist 0 N File:TiltSwitchModNiWumpf.jpg current
- 20:34, 24 August 2020 diff hist +86 Gottlieb System 1 →Testing Switches in the Switch Matrix: Added section for Ni-Wumpf handling of tilt switch
- 17:24, 23 August 2020 diff hist +140 Williams System 3 - 7 →Type 1 Sound Board Jumpers
- 17:22, 23 August 2020 diff hist +49 m Williams System 3 - 7 →Type 1 Sound Board: Made Type 1 sound board info visible in TOC
- 17:16, 23 August 2020 diff hist +1 m Williams System 3 - 7 →Type 1 Sound Board: Corrected link to include secure http
- 19:57, 18 August 2020 diff hist +136 Gottlieb System 80 →Slam Switch Modification: Another pic added for defeating the slam switch
- 05:55, 18 August 2020 diff hist 0 N File:Z26RemovedSlamSwitch.jpg current
- 18:28, 14 August 2020 diff hist +127 m Star Trek: The Next Generation →Diode "Tie Back" missing causes 8-Driver Board transistor to fail: Added additional part source
- 18:03, 14 August 2020 diff hist +123 Williams System 9 - 11 →System 11 MPU Jumpers: Added Hitachi processor image
- 18:00, 14 August 2020 diff hist 0 N File:System11Hitachi6802.jpg current
- 18:07, 10 August 2020 diff hist +133 Stern S.A.M. System Repair →Display Power Supply
- 17:42, 10 August 2020 diff hist +369 Stern S.A.M. System Repair →Game with CPU Rev F or G does not boot
