Page 5 - WilliamsMidway WPC 91 Schematics 16-9289

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CONTENTS
Section Four Troubleshooting
CPU Logi cCircui t
,
,
4-2
Switch Circuit
4-3
Lamp Circuit
, , , ,
4-4
Solenoid Circuits
4-5
Power Circuits
"
4-7
Alphanumer ic Disp lay Circu its
4-8
Dot Matrix Display Circuits
4-8
Sound Board Circuits
4-9
Fuse List
4-10
LED List
4-11
Section Five ..-Schematics
CPU Board
,
5-2
Power Dr iver Board
5-3
Alphanumeric Display Board
5-6
Dot Matri x Controlle rBoard "
5-7
Sound Board
5-11
Alphanumeric Power Wiring
5-13
Dot Matrix Display Power Wiring
5-14
Alphanumeric Display Backbox Wiring
5-15