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- 14:41, 26 June 2022 diff hist 0 Williams WPC →Low Coil Voltage
- 14:40, 26 June 2022 diff hist 0 Williams WPC →Coil Locks On
- 14:40, 26 June 2022 diff hist 0 Williams WPC →Blown / Failing Q20 Transistor on the Driver Board and the Tieback Diode
- 14:40, 26 June 2022 diff hist 0 Williams WPC →Failed TIP-36c
- 14:39, 26 June 2022 diff hist 0 Williams WPC →"Help" Info Provided by WPC Games
- 14:39, 26 June 2022 diff hist 0 Williams WPC →Transistor "Quick Check"
- 14:39, 26 June 2022 diff hist 0 Williams WPC →WPC and WPC-S Games With No Solenoid, Flasher or Feature Lamps, A Blanking Signal Issue
- 14:39, 26 June 2022 diff hist 0 Williams WPC →Exploding or Damaged 15,000uf Capacitor at C11 (C10 on WPC-95)
- 14:38, 26 June 2022 diff hist 0 Williams WPC →Check fuses F114 and F115 message
- 14:36, 26 June 2022 diff hist 0 Williams WPC →The Absolute Last Resort
- 14:35, 26 June 2022 diff hist 0 Williams WPC →Failed Electrolytic Capacitor on the MPU
- 14:35, 26 June 2022 diff hist 0 Williams WPC →Failed Voltage Regulator
- 14:35, 26 June 2022 diff hist 0 Williams WPC →Failed Bridge Rectifier
- 14:34, 26 June 2022 diff hist 0 Williams WPC →Failed Capacitors
- 14:34, 26 June 2022 diff hist 0 Williams WPC →Failed Thermistor
- 14:33, 26 June 2022 diff hist 0 Williams WPC →Using a Multimeter to Test the Bridge Rectifier and Capacitors
- 14:33, 26 June 2022 diff hist 0 Williams WPC →Poor Connections between the Power/Driver board, the CPU, and other PCBs
- 14:32, 26 June 2022 diff hist 0 Williams WPC →Poor Connection at J101 on the Power/Driver Board
- 14:32, 26 June 2022 diff hist 0 Williams WPC →Poor Connections between the Transformer Secondary and the Power/Driver Board
- 14:32, 26 June 2022 diff hist 0 Williams WPC →Missing diodes, open diodes, or cold solder joints at the Flipper coils
- 14:32, 26 June 2022 diff hist 0 Williams WPC →Cracked Power or Ground Header Pins and Cracked Solder Joints at the 5V Fuse
- 14:31, 26 June 2022 diff hist 0 Williams WPC →Poor Ground Connection for Power/Driver Board
- 14:31, 26 June 2022 diff hist 0 Williams WPC →Low Line Voltage
- 14:31, 26 June 2022 diff hist 0 Williams WPC →The "Quick" but Temporary "Fix"
- 14:31, 26 June 2022 diff hist 0 Williams WPC →WPC 5VDC Power Derivation Path
- 14:29, 26 June 2022 diff hist 0 Sega/Stern White Star Repair →RottenDog WhiteStar 5V Voltage Regulator
- 14:29, 26 June 2022 diff hist +224 Williams WPC →5V Regulator
- 14:11, 26 June 2022 diff hist +481 Williams WPC →Power Problems with the RottenDog aftermarket power/driver board (fuse clips)
- 13:59, 26 June 2022 diff hist 0 N File:RottenDog5VRegulator.jpg current
- 15:46, 24 June 2022 diff hist +102 Williams System 3 - 7 →System 4
- 15:45, 24 June 2022 diff hist 0 N File:WilliamsSystem4MPU.jpg current
- 15:42, 24 June 2022 diff hist +20 Williams System 3 - 7 →Lithium Coin Cell Battery
- 15:40, 24 June 2022 diff hist 0 File:System4MPUCoinCell-1.jpg Chibler uploaded a new version of File:System4MPUCoinCell-1.jpg current
- 15:30, 24 June 2022 diff hist +769 Williams System 3 - 7 →Lithium Coin Cell Battery: Added coin cell procedure.
- 15:17, 24 June 2022 diff hist 0 N File:System4MPUCoinCell-3.jpg current
- 15:17, 24 June 2022 diff hist 0 N File:System4MPUCoinCell-2.jpg current
- 15:16, 24 June 2022 diff hist 0 N File:System4MPUCoinCell-1.jpg
- 20:31, 22 June 2022 diff hist +118 Stern S.A.M. System Repair →SAM I/O Power Driver Board Connectors
- 20:29, 22 June 2022 diff hist +169 Stern S.A.M. System Repair →SAM I/O Power Driver Board: Added S.A.M Driver Board image
- 20:26, 22 June 2022 diff hist 0 N File:SAMDriverPinOut.jpg current
- 20:23, 22 June 2022 diff hist +153 Stern S.A.M. System Repair →SAM CPU / Sound Board: Added S.A.M. MPU diagram
- 20:19, 22 June 2022 diff hist 0 N File:SAMCPUPinOut.jpg current
- 19:18, 22 June 2022 diff hist 0 Williams WPC →Corvette/Road Show Dual H-Drive Motor Control Board (A-19159/A-19242-1)
- 19:18, 22 June 2022 diff hist 0 Williams WPC →High Current Driver Board (C-13963)
- 19:17, 22 June 2022 diff hist +87 Williams WPC →CFTBL Chase Light II Board (A-15541)
- 19:16, 22 June 2022 diff hist 0 N File:A-15541Schematic.jpg current
- 19:13, 22 June 2022 diff hist +84 Williams WPC →WH2O Chaser Lamp Board (A-15761)
- 19:13, 22 June 2022 diff hist 0 N File:A-15761Schematic.jpg current
- 19:05, 22 June 2022 diff hist +109 Williams WPC →Bi-Directional Motor Board (A-15680): Added schematic for this board
- 19:03, 22 June 2022 diff hist 0 N File:A-15680Schematic.jpg current
