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- 14:19, 29 July 2022 diff hist +8 Williams WPC →No Sound or Low Volume Sound from Right Speaker
- 14:18, 29 July 2022 diff hist 0 N File:WPCSpeakerAndCap.jpg current
- 18:49, 28 July 2022 diff hist +193 Gottlieb System 80 →Using a Reset Generator for the CPU Reset Section
- 18:44, 28 July 2022 diff hist 0 N File:System80CorrosionAreaPartsIdentification.jpg current
- 16:33, 28 July 2022 diff hist +168 Gottlieb System 80 →Repurposed Driver Board Circuits
- 16:28, 28 July 2022 diff hist 0 N File:System80-2N3055.jpg current
- 10:50, 27 July 2022 diff hist +1 Williams WPC →Sound Is Very Faint Even at Maximum Volume (CVSD Failure)
- 10:50, 27 July 2022 diff hist 0 Williams WPC →Sound Is Very Faint Even at Maximum Volume (CVSD Failure)
- 10:49, 27 July 2022 diff hist +1 Williams WPC →Blown 1uF or 10uF Tantalum Capacitor
- 10:48, 27 July 2022 diff hist 0 Williams WPC →Distorted or slightly "off" sounds
- 10:47, 27 July 2022 diff hist 0 Williams WPC →No Sound or Low Volume Sound from Right Speaker
- 08:52, 21 July 2022 diff hist 0 Sega/Stern White Star Repair →BSMT2000 DSP Info
- 08:52, 21 July 2022 diff hist 0 Sega/Stern White Star Repair →Sharkey's Shootout Specific Driver Board
- 08:52, 21 July 2022 diff hist 0 Sega/Stern White Star Repair →White Star Manufacturing Quality
- 08:51, 21 July 2022 diff hist 0 Sega/Stern White Star Repair →Magnet Processor Board
- 08:51, 21 July 2022 diff hist 0 Sega/Stern White Star Repair →Coin Door Switches
- 08:50, 21 July 2022 diff hist 0 Sega/Stern White Star Repair →Portals (Coin Door Test Buttons)
- 20:14, 20 July 2022 diff hist -1 Sega/Stern White Star Repair →DS1232 Voltage Watchdog
- 20:13, 20 July 2022 diff hist +444 Sega/Stern White Star Repair →DS1232 Voltage Watchdog
- 19:00, 20 July 2022 diff hist 0 N File:DS1232Driver.jpg current
- 18:58, 20 July 2022 diff hist 0 N File:DS1232MPU.jpg current
- 15:44, 19 July 2022 diff hist +8 Bally/Stern →Bally -35/Stern MPU-200 Parts Bill of Materials and Part Placement Chart
- 20:11, 18 July 2022 diff hist +583 Bally/Stern →Bally and Stern MPU Boards
- 20:04, 18 July 2022 diff hist 0 N File:BallySternMPUPartsBOMandLocator.pdf current
- 16:11, 18 July 2022 diff hist +1 Bally/Stern →Alkaline Corrosion Area Parts List
- 11:00, 18 July 2022 diff hist +7 Sega/Stern White Star Repair →Sound problems
- 10:13, 18 July 2022 diff hist +18 Bally/Stern →Speech is Garbled, Clipped, or Unintelligible
- 10:12, 18 July 2022 diff hist +16 Bally/Stern →Pitch of Speech is too high/low
- 10:11, 18 July 2022 diff hist +16 Bally/Stern →Display(s) flicker
- 09:56, 18 July 2022 diff hist 0 Williams WPC →Scratchy Audio or mumbled speech
- 09:55, 18 July 2022 diff hist 0 Williams WPC →Muffled Sound and Speech/No Sound
- 09:55, 18 July 2022 diff hist 0 Williams WPC →U10-12 RAM ERROR
- 09:50, 18 July 2022 diff hist +494 Williams WPC →WPC-95 A/V Board Sound Issues
- 16:44, 17 July 2022 diff hist -4 Main Page/Navigation
- 16:43, 17 July 2022 diff hist +96 Main Page/Navigation
- 21:43, 15 July 2022 diff hist 0 Williams WPC →Mechanical Reasons
- 21:42, 15 July 2022 diff hist 0 Williams WPC →FlipTronics Games Electrical Reasons
- 21:41, 15 July 2022 diff hist 0 Williams WPC →Flipper does not work
- 21:41, 15 July 2022 diff hist 0 Williams WPC →Scratchy Audio
- 21:40, 15 July 2022 diff hist 0 Williams WPC →Loss of One Channel
- 21:38, 15 July 2022 diff hist +335 Williams WPC →Power on Sound Tones (Bongs)
- 21:27, 15 July 2022 diff hist 0 N File:SoundROMChecksumError.jpg current
- 16:36, 14 July 2022 diff hist +7 User:Chibler
- 16:32, 14 July 2022 diff hist +621 User:Chibler
- 16:18, 14 July 2022 diff hist +71 Williams System 9 - 11 →System 11 Games (alphabetical)
- 19:45, 13 July 2022 diff hist -13 Sega/Stern White Star Repair →Sound problems
- 17:27, 13 July 2022 diff hist 0 Sega/Stern White Star Repair →Revision G: Fourth revision (not documented by Stern)
- 17:25, 13 July 2022 diff hist 0 Sega/Stern White Star Repair →Revision F: Third revision
- 15:11, 13 July 2022 diff hist +42 Bally/Stern →Solenoid Driver Upgrades
- 22:03, 12 July 2022 diff hist +189 General →Counterfeit Integrated Circuits & Blacktopped Parts