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- 19:45, 10 February 2021 diff hist +19 Bally 6803 →CPU Board ROM Info and Jumper Settings: Added specific transistor drives enabled by JW8 and JW10
- 07:54, 8 February 2021 diff hist +37 Gottlieb System 3 →Driver Board
- 21:33, 6 February 2021 diff hist +44 Williams WPC →Poor Connections between the Power/Driver board, the CPU, and other PCBs
- 22:22, 24 January 2021 diff hist -5 m Williams WPC →High Current Driver Board (C-13963)
- 22:21, 24 January 2021 diff hist -1 m Williams WPC →Corvette/Road Show Dual H-Drive Motor Control Board (A-19159/A-19242-1)
- 22:19, 24 January 2021 diff hist +2,001 m Williams WPC →High Current Driver Board (C-13963): Placed Dual motor drive board adjacent to single motor drive board.
- 22:17, 24 January 2021 diff hist -1,839 Williams WPC →Corvette/Road Show Dual H-Drive Motor Control Board (A-19159/A-19242-1)
- 23:16, 16 January 2021 diff hist +150 Bally 6803 →CPU Board ROM Info and Jumper Settings: Corrected jumper spec for HMM. Manual is WRONG.
- 12:14, 16 January 2021 diff hist +334 Williams WPC →LEDs and test points on WPC-089 Power/Driver Boards
- 21:22, 13 January 2021 diff hist +207 Sega/Stern White Star Repair →Loud Hum and/or Distortion at Low Sound Levels
- 21:18, 13 January 2021 diff hist 0 N File:WhiteStarResistorHack.jpg current
- 11:50, 7 January 2021 diff hist +37 Williams System 9 - 11 →Lamp Matrix
- 21:49, 6 January 2021 diff hist +9 Williams WPC →F111 Blows, Testing BR4 With Board Still Installed
- 21:48, 6 January 2021 diff hist +3 Williams WPC →F111 Blows, Testing BR4 With Board Still Installed
- 21:47, 6 January 2021 diff hist +4 Williams WPC →F111 Blows, Testing BR4 With Board Still Installed
- 21:47, 6 January 2021 diff hist +86 Williams WPC →F111 Blows, Testing BR4 With Board Still Installed
- 16:48, 4 January 2021 diff hist +529 Williams System 3 - 7 →Displays only showing even number
- 15:22, 3 January 2021 diff hist +99 Williams WPC →High Current Driver Board (C-13963)
- 15:21, 3 January 2021 diff hist 0 N File:HighCurrentDriverBoard.jpg current
- 19:00, 30 December 2020 diff hist +149 Williams WPC →Removing or Installing the ASIC: Added link to video demonstrating ASIC removal.
- 22:08, 26 December 2020 diff hist +357 Williams WPC →Corvette/Road Show Dual H-Drive Motor Control Board (A-19159/A-19242-1)
- 21:57, 26 December 2020 diff hist +820 Williams WPC →Corvette/Road Show Dual H-Drive Motor Control Board (A-19159/A-19242-1)
- 21:40, 26 December 2020 diff hist +117 Williams WPC →Corvette/Road Show Dual H-Drive Motor Control Board (A-19159/A-19242-1)
- 21:39, 26 December 2020 diff hist 0 N File:A-19159DualHDriveMotorControllerSchematic.jpg current
- 11:28, 17 December 2020 diff hist +529 EM Repair →Chime Units
- 20:17, 14 December 2020 diff hist 0 N File:WicoSoundBoardFromSpaceMission.jpg current
- 15:54, 13 December 2020 diff hist -3 Williams System 3 - 7 →Switch Problems
- 15:52, 13 December 2020 diff hist -41 Williams System 3 - 7 →Switch Problems
- 15:43, 13 December 2020 diff hist +159 Williams System 3 - 7 →Switch Problems
- 18:24, 11 December 2020 diff hist +9,821 Williams System 3 - 7 →Voltages
- 18:23, 11 December 2020 diff hist -9,821 Williams System 3 - 7 →Power Supply Issues
- 18:22, 11 December 2020 diff hist +20,830 Williams System 3 - 7 →Flash Lamp Problems
- 18:21, 11 December 2020 diff hist -20,830 Williams System 3 - 7 →Switch Problems
- 18:20, 11 December 2020 diff hist +3,106 Williams System 3 - 7 →Lamp Problems
- 18:19, 11 December 2020 diff hist -3,108 Williams System 3 - 7 →Flash Lamp Problems
- 18:17, 11 December 2020 diff hist 0 Williams System 9 - 11 →Auxiliary Power Driver Board
- 17:40, 9 December 2020 diff hist +85 Williams System 3 - 7 →Flash Lamp Problems
- 17:37, 9 December 2020 diff hist +2,996 Williams System 3 - 7 →Flash Lamp Problems
- 17:18, 9 December 2020 diff hist 0 N File:WarmingResistorSchematic.jpg current
- 17:12, 9 December 2020 diff hist 0 N File:System11WarmingBoard.jpg current
- 17:11, 9 December 2020 diff hist 0 N File:FirePowerWarmingBoard.jpg current
- 17:10, 9 December 2020 diff hist 0 N File:GorgarWarmingBoard.jpg current
- 15:08, 9 December 2020 diff hist +130 Williams System 3 - 7 →Reducing heat by replacing the TIP-42 lamp drive transistors and eliminating the 27 ohm current limiting resistors
- 14:57, 9 December 2020 diff hist 0 N File:System3-7FETs.jpg current
- 14:47, 9 December 2020 diff hist -1 Williams System 3 - 7 →Controlled Lamps (Lamp Matrix)
- 14:46, 9 December 2020 diff hist +29 Williams System 3 - 7 →Lamp Problems
- 13:51, 9 December 2020 diff hist +17 Main Page/Navigation
- 13:45, 9 December 2020 diff hist +47 Main Page/Navigation
- 13:36, 9 December 2020 diff hist 0 N File:RedNew.jpg current
- 13:25, 9 December 2020 diff hist +43 Main Page/Navigation
