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- 07:55, 22 October 2017 diff hist -124 Williams System 9 - 11 →=MOSFETs Installed in a System 11 MPU Board
- 07:53, 22 October 2017 diff hist +833 Williams System 9 - 11 →=MOSFETs Installed in a System 9 MPU Board
- 07:49, 22 October 2017 diff hist +114 m Williams System 9 - 11 →Using MOSFETs in the Lamp Matrix Circuitry
- 07:43, 22 October 2017 diff hist +734 Williams System 9 - 11 →Lamp Matrix
- 07:32, 22 October 2017 diff hist +22 m Williams System 9 - 11 →MPU Driver Boards
- 07:28, 22 October 2017 diff hist -8 m Bally/Stern →Bally Auxiliary Lamp Driver Boards
- 07:24, 22 October 2017 diff hist 0 N File:WMS Sys9 Lamp Column.jpg current
- 07:24, 22 October 2017 diff hist 0 N File:WMS Sys9 Lamp Column FET Back.jpg current
- 07:23, 22 October 2017 diff hist 0 N File:WMS Sys9 Lamp Column FET Front.jpg current
- 22:13, 21 October 2017 diff hist -9 Williams System 9 - 11 →Special Solenoids Do Not get Pulsed During Solenoid Test (Space Shuttle)
- 09:18, 21 October 2017 diff hist -42 m Williams System 9 - 11 →Sound Boards: Formatting
- 09:15, 21 October 2017 diff hist +1,195 Williams System 9 - 11 →Logic States of Display Output Signals for a Working MPU Board
- 08:53, 21 October 2017 diff hist +71 Williams System 9 - 11 →Display problems
- 07:50, 18 October 2017 diff hist 0 N File:WMS Sys6 MPU Reset Gen.JPG current
- 07:45, 18 October 2017 diff hist -4 Williams System 9 - 11 →Flipper Coils
- 07:45, 18 October 2017 diff hist 0 File:WMS Serial Flipper Schems.JPG Jimpal uploaded a new version of "File:WMS Serial Flipper Schems.JPG" current
- 07:38, 18 October 2017 diff hist 0 N File:Parallel Wound Flippers.jpg current
- 07:09, 18 October 2017 diff hist +752 Williams System 9 - 11 →Flipper Coils
- 06:59, 18 October 2017 diff hist +589 Williams System 9 - 11 →Replacing Display Glass
- 06:34, 18 October 2017 diff hist -1 m Williams System 3 - 7 →System 7 MPU Jumper Info
- 06:19, 18 October 2017 diff hist +92 Williams System 9 - 11 →Installing a Memory Capacitor Instead of Batteries
- 06:09, 18 October 2017 diff hist +371 Williams System 9 - 11 →Games From Big Guns to Swords of Fury
- 06:03, 18 October 2017 diff hist +116 Williams System 3 - 7 →Driver Board
- 11:19, 17 October 2017 diff hist -1 m Williams System 9 - 11 →An Alternative to Rebuilding the Reset Circuit / Using a Reset Generator (All versions of System 11): Grammar
- 10:29, 14 October 2017 diff hist +8 m Transistor Mapping for Bally Games Right sling was missing for Fireball II (Q16)
- 06:13, 12 October 2017 diff hist +15 m Williams System 9 - 11 →Ball Will Not Kick Over to Shooter Lane and Drop Target Will Not Reset (Cyclone)
- 06:13, 12 October 2017 diff hist +282 Williams System 9 - 11 →Repair Logs and Game Specific Problems and Fixes
- 05:37, 12 October 2017 diff hist -1 m Gottlieb System 3 →MA-886 Troubleshooting: Changed AY-3-8912 to AY-3-8913
- 20:56, 16 September 2017 diff hist +124 Lockdown Bar Identification Guide →GamePlan current
- 20:54, 16 September 2017 diff hist 0 N File:Game Plan Lockdown Bar.jpg current
- 17:47, 6 September 2017 diff hist +584 Williams System 9 - 11 →Repair Logs and Game Specific Problems and Fixes
- 17:40, 6 September 2017 diff hist 0 N File:Cyclone UnderPF Fuse 1A 5A.jpg current
- 12:44, 2 September 2017 diff hist +501 Williams System 9 - 11 →Repair Logs and Game Specific Problems and Fixes
- 19:24, 26 August 2017 diff hist 0 m Pinball Parts Suppliers →Suppliers: sp
- 09:56, 5 August 2017 diff hist +88 Williams WPC →Theory of Operation & Schematics
- 21:28, 18 July 2017 diff hist +2 m Gottlieb System 80 →System 80B Display Issues
- 21:28, 18 July 2017 diff hist +8 m Gottlieb System 80 →System 80B Display Issues: Could not understand what was written - "can be cause an 'open'"
- 06:13, 16 July 2017 diff hist +184 Gottlieb System 80 →System 80B Display Issues
- 06:02, 16 July 2017 diff hist +136 Gottlieb System 80 →Display Data Problems
- 05:56, 16 July 2017 diff hist +30 N File:Gtb sys80A displays.png Fixed placement of D13 and D16 current
- 05:00, 11 July 2017 diff hist +23 Black Hole →Replacing the Black Hole "Spinning Disk" Motor
- 05:49, 8 July 2017 diff hist +97 m Gottlieb System 3 →Alphanumeric Displays
- 08:18, 23 June 2017 diff hist +402 EM Repair →Repair Logs
- 05:31, 17 June 2017 diff hist +180 m Williams System 9 - 11 →An Alternative to Rebuilding the Reset Circuit / Using a Reset Generator (System 9)
- 18:17, 11 June 2017 diff hist -8 Williams WPC →Check Fuses F115 and F116 Message
- 09:50, 9 June 2017 diff hist +148 Gameplan Repair →Game Plan Boardset
- 07:34, 9 June 2017 diff hist +658 Gameplan Repair →Technical Info
- 06:07, 9 June 2017 diff hist 0 N File:GP Andromeda Boardset.jpg current
- 06:07, 9 June 2017 diff hist 0 N File:GP Andromeda Sound Board.jpg current
- 05:46, 9 June 2017 diff hist -1 m Gameplan Repair →Gottlieb Drop Target Substitution
