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- 20:02, 9 November 2021 diff hist +73 Williams System 3 - 7 →Option 2
- 20:01, 9 November 2021 diff hist +104 Williams System 3 - 7 →Option 2
- 19:59, 9 November 2021 diff hist +348 Williams System 3 - 7 →Option 2
- 19:54, 9 November 2021 diff hist 0 Williams System 3 - 7 →Option 1
- 19:53, 9 November 2021 diff hist 0 Williams System 3 - 7 →Option 2
- 19:53, 9 November 2021 diff hist +138 Williams System 3 - 7 →Option 2
- 19:49, 9 November 2021 diff hist 0 N File:S7BlankingBack.jpeg current
- 19:48, 9 November 2021 diff hist 0 N File:S7BlankingFront.jpeg current
- 19:44, 9 November 2021 diff hist +157 Leon Borre WMS System 7 Repair →Addendum - User Remarks
- 21:28, 8 November 2021 diff hist -2 Williams System 9 - 11 →Combining the System 9 Sound ROM Images
- 01:13, 8 November 2021 diff hist +21 Williams System 3 - 7 →Flash Lamp Problems
- 10:34, 5 November 2021 diff hist +96 Pinball Test Fixtures →WPC-95 Test Fixture
- 17:10, 4 November 2021 diff hist +147 General →Testing a Transistor, Silicon Controlled Rectifier (SCR) or Field Effect Transistor (FET)
- 15:50, 4 November 2021 diff hist +946 Data East/Sega →Alphanumeric Issues
- 15:45, 4 November 2021 diff hist +975 Williams System 9 - 11 →Display Panel Problems
- 15:42, 4 November 2021 diff hist 0 N File:ShortedSegments.jpg current
- 16:27, 3 November 2021 diff hist +27 EM Repair →Hacking a Fix for Quick Draw/Fast Draw Scoring: Added relay ID for Far Out
- 09:27, 3 November 2021 diff hist +54 EM Repair →Hacking a Fix for Quick Draw/Fast Draw Scoring: Added Far Out as a game that can exhibit this issue
- 22:42, 2 November 2021 diff hist +6 Williams System 3 - 7 →Special Switches
- 22:41, 2 November 2021 diff hist +1 Williams System 3 - 7 →How the Switch Matrix Works
- 22:39, 2 November 2021 diff hist 0 Williams System 3 - 7 →Checking for Sounds Prior to the Sound Amplifier
- 22:37, 2 November 2021 diff hist -49 Williams System 3 - 7 →Useful Sound Board Repair Links
- 22:33, 2 November 2021 diff hist -3 Williams System 3 - 7 →The "Once Dreaded" 40-pin Connector
- 22:29, 2 November 2021 diff hist +159 Williams System 3 - 7 →The "Once Dreaded" 40-pin Connector
- 22:23, 2 November 2021 diff hist +24 Williams System 3 - 7 →Blanking Circuit Stuck Low
- 22:22, 2 November 2021 diff hist -4 Williams System 3 - 7 →Option 2
- 22:22, 2 November 2021 diff hist -4 Williams System 3 - 7 →Option 1
- 22:21, 2 November 2021 diff hist +895 Williams System 3 - 7 →Adding a Blanking Indication LED to the System 7 MPU Board
- 21:48, 2 November 2021 diff hist -5 Williams System 3 - 7 →Flipper ROMs
- 21:45, 2 November 2021 diff hist -103 Williams System 3 - 7 →General Information
- 19:20, 2 November 2021 diff hist +105 Williams System 9 - 11 →System 11 Games (alphabetical): Added F-14 Audio
- 20:21, 1 November 2021 diff hist +159 Bally 6803 →Transformer Voltage Selection
- 20:11, 1 November 2021 diff hist 0 N File:6803PowerSelectionJumper115.jpg current
- 20:08, 1 November 2021 diff hist -1 Williams WPC →WPC-089 Bare PCB Images
- 20:05, 1 November 2021 diff hist 0 N File:WPC-089-U9.jpg current
- 19:54, 1 November 2021 diff hist +48 Williams WPC →WPC-089 Bare PCB Images
- 19:52, 1 November 2021 diff hist +1,115 Williams WPC →WPC-089 Signal Map (pinouts)
- 19:43, 1 November 2021 diff hist 0 N File:WPC-089-U21.JPG current
- 19:43, 1 November 2021 diff hist 0 N File:WPC-089-U20.JPG current
- 19:42, 1 November 2021 diff hist 0 N File:WPC-089-U19.JPG current
- 19:42, 1 November 2021 diff hist 0 N File:WPC-089-U18.JPG current
- 19:42, 1 November 2021 diff hist 0 N File:WPC-089-U17.JPG current
- 19:41, 1 November 2021 diff hist 0 N File:WPC-089-U16.JPG current
- 19:41, 1 November 2021 diff hist 0 N File:WPC-089-U15.JPG current
- 19:41, 1 November 2021 diff hist 0 N File:WPC-089-U14.JPG current
- 19:41, 1 November 2021 diff hist 0 N File:WPC-089-U13.JPG current
- 19:40, 1 November 2021 diff hist 0 N File:WPC-089-U12.JPG current
- 19:40, 1 November 2021 diff hist 0 N File:WPC-089-U11.JPG current
- 19:40, 1 November 2021 diff hist 0 N File:WPC-089-U8.JPG current
- 19:40, 1 November 2021 diff hist 0 N File:WPC-089-U7.JPG current
