Midway 4-Player 25" Dedicated Video Game manual Coin Mechanism and Pricing Troubleshooting Table

Coin Mechanism and Pricing Troubleshooting Table

SYMPTOM	CAUSE		REQUIRED ACTION
	Improper settings at		From Coin Options Menu, choose PRICING
• VGM (video game machine)	Pricing Menu		OPTIONS MENU. Verify that units and credits
accepts currency or tokens,			are set correctly.
but number of credits per	Incorrect pulse width	1.	Consult bill validator manufacturer’s literature.
coin or bill is incorrect.	on bill validators		Adjust pulse width on validator to long setting.
		2.	Retest validator operation.
		1.	Check that cabinet wiring is correct for this VGM.
	Faulty wiring	2.	Assure that coin meter and coin switches
			connect properly to control input wires.
	Faulty coin	1.	Verify that coin mechanism works correctly by
	mechanism		testing it in working VGM.
		2.	If mechanism is bad, replace it.
		1.	Unlock and open cash door. Empty cash box.
• VGM won’t accept currency	Improper currency		Inspect revenue for counterfeit currency.
or tokens.		2.	Check vault. Remove any items that block path
			from mechanism.
• VGM won’t start.		1.	Unlock and open coin door. Check each
	Faulty coin		mechanism for proper mounting.
• Audio and video are present.	mechanism	2.	Remove mechanism.
		3.	Clear currency path.
		4.	Reinstall mechanism and latch it.
		5.	Enter Menu System by pressing and holding
			TEST MODE switch inside coin door. From Main
			Menu, choose CONTROLS TEST. Use tests to
			confirm operation of coin switches.
		1.	Verify that mechanism is level after doors close.
	Tilted coin	2.	Repair or replace coin door if it is bent or
	mechanism or VGM		damaged.
		3.	If necessary, adjust cabinet leg levelers to keep
			mechanisms vertical.
• Coin indicators don’t light	Burned-out bulb	1.	Burned-out bulbs may appear white or darkened.
			Check continuity with DVM.
		2.	Replace burned-out bulb with same type.
	Open fuse circuit	1.	Check fuse continuity with DVM.
		2.	If fuse is blown, replace fuse with same type.
		3.	If fuse isn’t blown, check wiring.

CAUTION: Don’t remove or install any connector when power is turned on. Installation under power will damage the circuit boards or hard disk drive and void the warranty.

Typical Coin Mechanism Mounting

Troubleshooting 6-2