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- 18:45, 16 September 2021 diff hist -571 Williams System 9 - 11 →Missing Some Music or Garbled Music with a D-11581 Sound Board and 5 Bongs
- 19:54, 5 September 2021 diff hist +687 Stern S.A.M. System Repair →SAM I/O Power Driver Board
- 19:48, 5 September 2021 diff hist 0 N File:SAMXilinxLampMatrix.jpg current
- 20:35, 26 August 2021 diff hist 0 Williams WPC →Early WPC Transformers (9 pin connection)
- 15:45, 26 August 2021 diff hist +144 Williams WPC →Switch Matrix Problems
- 15:39, 26 August 2021 diff hist +677 Williams WPC →Switch Matrix Problems
- 20:12, 25 August 2021 diff hist 0 N File:CoilWrapperRubAE-23-800.jpg current
- 11:57, 24 August 2021 diff hist 0 Williams WPC →Blown 1uF or 10uF Tantalum Capacitor
- 11:51, 24 August 2021 diff hist +533 Williams WPC →Blown 1uF or 10uF Tantalum Capacitor
- 11:43, 24 August 2021 diff hist 0 N File:ReplacementCapForTantalum.jpg current
- 11:42, 24 August 2021 diff hist 0 N File:Failed1ufTantalumCap.jpg current
- 11:40, 24 August 2021 diff hist 0 Data East/Sega →Power Supply
- 11:38, 24 August 2021 diff hist +91 Data East/Sega →Power Supply: Added another clear image
- 11:37, 24 August 2021 diff hist 0 N File:DELargeDMDPS-1.jpg current
- 11:32, 24 August 2021 diff hist +15 Williams System 9 - 11 →Cross Connecting Black and White Backbox Connectors
- 11:31, 24 August 2021 diff hist +953 Williams System 9 - 11 →Cross Connecting Black and White Backbox Connectors
- 10:54, 21 August 2021 diff hist +139 Williams System 9 - 11 →Relocating the battery from the System 9 MPU board
- 19:45, 20 August 2021 diff hist +280 Data East/Sega →Solenoid Issues
- 18:37, 20 August 2021 diff hist 0 N File:ST-TIP122.jpg current
- 18:32, 18 August 2021 diff hist -192 Williams System 3 - 7 →Reducing heat by replacing the TIP-42 lamp drive transistors and eliminating the 27 ohm current limiting resistors
- 18:31, 18 August 2021 diff hist +664 Williams System 3 - 7 →Reducing heat by replacing the TIP-42 lamp drive transistors and eliminating the 27 ohm current limiting resistors
- 18:23, 18 August 2021 diff hist 0 N File:WMS3-7FETFrontSideOnlyMod.jpg current
- 18:19, 18 August 2021 diff hist 0 File:WMS3-7DriverFETModAlternate.jpg Chibler uploaded a new version of File:WMS3-7DriverFETModAlternate.jpg current
- 18:14, 18 August 2021 diff hist 0 N File:WMS3-7DriverFETModAlternate.jpg
- 12:43, 18 August 2021 diff hist +4 Gottlieb System 1 →Display Boards
- 12:42, 18 August 2021 diff hist +4 System 80 / 80A / 80B Board Set current
- 12:42, 18 August 2021 diff hist +4 Gottlieb System 80 →System 80
- 12:39, 18 August 2021 diff hist 0 N File:GottliebSixDigitDisplay.jpg current
- 18:07, 16 August 2021 diff hist +90 Bally/Stern →Cheap Squeak Sound Board Troubleshooting
- 18:00, 16 August 2021 diff hist 0 N File:BallyCheapSqueakSchematics.pdf current
- 12:04, 16 August 2021 diff hist +64 Williams System 9 - 11 →Flipper problems
- 20:32, 13 August 2021 diff hist +1,078 Sega/Stern White Star Repair →Sound problems
- 20:31, 13 August 2021 diff hist -1,080 Sega/Stern White Star Repair →Music Sounds Like Alvin and the Chipmunks
- 20:30, 13 August 2021 diff hist +241 Sega/Stern White Star Repair →Sound Section Jumper Settings: Added YT video link for W6 not installed and 8MB sound roms used.
- 11:01, 12 August 2021 diff hist +112 Sega/Stern White Star Repair →CPU / Sound Board
- 14:52, 11 August 2021 diff hist 0 N File:A13MPU.jpg current
- 10:50, 6 August 2021 diff hist +30 Williams WPC →Cabinet Flipper Switch Detection Problem Diagnosis for Pre-FlipTronics Games
- 19:18, 5 August 2021 diff hist +70 Bally/Stern →Squawk & Talk Sound Board (AS-2518-61)
- 19:16, 5 August 2021 diff hist -19 Bally/Stern →Say It Again Board
- 19:07, 5 August 2021 diff hist 0 Haunted House
- 19:07, 5 August 2021 diff hist +1,687 N Haunted House Created page with "=Replacing Haunted House Lower Playfield Illumination Lamps with #44 Lamps= ''This modification documented by Chris Hibler, based on Black Hole mod developed by Steve Charland..."
- 18:58, 5 August 2021 diff hist 0 N File:HHouseSchematicSnippet1.jpg current
- 18:56, 5 August 2021 diff hist +4 Gottlieb System 80 →System 80 2nd Generation
- 17:22, 5 August 2021 diff hist -72 Black Hole →Black Hole Auto Spin Disc Circuit: Corrected bold formatting.
- 10:26, 5 August 2021 diff hist +48 Bally/Stern →Say It Again Board
- 10:24, 5 August 2021 diff hist -9 Bally/Stern →Say It Again Board
- 10:23, 5 August 2021 diff hist 0 N File:SIA.jpg current
- 18:10, 4 August 2021 diff hist +48 Bally/Stern →General Troubleshooting: Added last sound specific for EBD
- 22:05, 1 August 2021 diff hist +10 Gottlieb System 80 →Bookkeeping & Diagnostics
- 21:58, 1 August 2021 diff hist +176 Gottlieb System 80 →Bookkeeping & Diagnostics
