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- 15:14, 22 February 2022 diff hist +160 Data East/Sega →Blanking Signal Stuck Low
- 15:11, 22 February 2022 diff hist +178 Data East/Sega →Stuck Low Reset Signal
- 15:08, 22 February 2022 diff hist 0 File:BlankingSignalLogic.jpg Chibler uploaded a new version of File:BlankingSignalLogic.jpg current
- 15:01, 22 February 2022 diff hist 0 N File:BlankingSignalLogic.jpg
- 14:44, 22 February 2022 diff hist +7 Gottlieb System 80 →Display Conversion for 6-Digit Games (Converting to 7-Digit Displays)
- 14:43, 22 February 2022 diff hist 0 N File:GottliebAmazingSpiderman7DigitScoringExample.jpg current
- 14:29, 22 February 2022 diff hist +543 Gottlieb System 80 →Display Conversion for 6-Digit Games (Converting to 7-Digit Displays)
- 14:23, 22 February 2022 diff hist +318 Gottlieb System 80 →Sound problems
- 11:40, 22 February 2022 diff hist 0 N File:Gottlieb6DigitTo7DigitConversion.jpg current
- 21:46, 16 February 2022 diff hist 0 Williams System 3 - 7 →General Illumination Lamps
- 21:45, 16 February 2022 diff hist 0 Williams System 3 - 7 →Special Solenoids
- 21:45, 16 February 2022 diff hist 0 Williams System 3 - 7 →Controlled Solenoids
- 21:45, 16 February 2022 diff hist 0 Williams System 3 - 7 →Replacing the on-board volume control with a remote volume pot (System 4)
- 21:44, 16 February 2022 diff hist 0 Williams System 3 - 7 →Put the Sound/Speech Board on the Bench
- 21:44, 16 February 2022 diff hist 0 Williams System 3 - 7 →System 4-6 Sound Selects
- 21:43, 16 February 2022 diff hist 0 Williams System 3 - 7 →Back to Basics
- 21:43, 16 February 2022 diff hist 0 Williams System 3 - 7 →IC version Display Driver
- 21:42, 16 February 2022 diff hist 0 Williams System 3 - 7 →Discrete version Display Driver
- 21:42, 16 February 2022 diff hist 0 Williams System 3 - 7 →IC version Display Driver
- 21:42, 16 February 2022 diff hist 0 Williams System 3 - 7 →The "Once Dreaded" 40-pin Connector
- 21:41, 16 February 2022 diff hist 0 Williams System 3 - 7 →Blanking Circuit Stuck Low
- 21:40, 16 February 2022 diff hist 0 Williams System 3 - 7 →Adding a Blanking Indication LED to the Driver Board
- 21:40, 16 February 2022 diff hist 0 Williams System 3 - 7 →An Alternative to Rebuilding the Reset Circuit (System 7)
- 21:40, 16 February 2022 diff hist 0 Williams System 3 - 7 →An Alternative to Rebuilding the Reset Circuit (System 6 and 6a)
- 21:39, 16 February 2022 diff hist 0 Williams System 3 - 7 →Connectors, connectors, connectors
- 21:39, 16 February 2022 diff hist 0 Williams System 3 - 7 →Connecting a Logic Probe to the Williams System 3-7 MPU
- 21:38, 16 February 2022 diff hist 0 Williams System 3 - 7 →Using a PC Power Supply For Bench Testing
- 21:38, 16 February 2022 diff hist 0 Williams System 3 - 7 →Adding System 3-6-like Diagnostic LEDs to a System 7 MPU
- 21:38, 16 February 2022 diff hist 0 Williams System 3 - 7 →Quick Start: Repairing a Williams System 3-7 MPU
- 21:37, 16 February 2022 diff hist 0 Williams System 3 - 7 →Built In Diagnostics
- 21:37, 16 February 2022 diff hist 0 Williams System 3 - 7 →Built In Diagnostics
- 21:37, 16 February 2022 diff hist 0 Williams System 3 - 7 →Installing a Memory Capacitor Instead of Batteries
- 21:36, 16 February 2022 diff hist 0 Williams System 3 - 7 →Remote Battery Pack
- 21:35, 16 February 2022 diff hist 0 Williams System 3 - 7 →Additional Fuses
- 21:34, 16 February 2022 diff hist 0 Williams System 3 - 7 →Displays
- 21:34, 16 February 2022 diff hist 0 Williams System 3 - 7 →Power Supplies
- 21:33, 16 February 2022 diff hist 0 Williams System 3 - 7 →System 7 Hyperball Specific Driver Board
- 21:33, 16 February 2022 diff hist -2 Williams System 3 - 7 →Combining System 3-6 Original ROMs Into a Single ROM at IC14
- 21:32, 16 February 2022 diff hist 0 Williams System 3 - 7 →System 7
- 21:32, 16 February 2022 diff hist 0 Williams System 3 - 7 →System 3-6
- 21:32, 16 February 2022 diff hist +2 Williams System 3 - 7 →System 7 MPU Test Pad Info
- 21:31, 16 February 2022 diff hist 0 Williams System 3 - 7 →System 7 MPU Jumper Info
- 21:30, 16 February 2022 diff hist 0 Williams System 3 - 7 →Upgrading a System 3 board to System 4
- 21:30, 16 February 2022 diff hist 0 Williams System 3 - 7 →Upgrading a System 3 board to System 4
- 21:28, 16 February 2022 diff hist 0 Williams System 3 - 7 →Upgrading a System 3 board to System 4
- 21:28, 16 February 2022 diff hist 0 Williams System 3 - 7 →MPU Boards
- 23:18, 15 February 2022 diff hist +43 Gottlieb System 80 →Blown Switch Matrix ICs
- 23:16, 15 February 2022 diff hist 0 Gottlieb System 80 →Blown Switch Matrix ICs
- 23:16, 15 February 2022 diff hist +221 Gottlieb System 80 →Blown Switch Matrix ICs
- 23:12, 15 February 2022 diff hist 0 N File:GottliebStackedSwitch.jpg current
