Midway 4-Player 25" Dedicated Video Game, Operation Manual

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Troubleshooting 6-2
Coin Mechanism and Pricing Troubleshooting Table
SYMPTOM CAUSE REQUIRED ACTION
Improper settings at
Pricing Menu From Coin Options Menu, choose PRICING
OPTIONS MENU. Verify that units and credits
are set correctly.
Incorrect pulse width
on bill validators 1. Consult bill validator manufacturer’s literature.
Adjust pulse width on validator to long setting.
2. Retest validator operation.
Faulty wiring
1. Check that cabinet wiring is correct for this VGM.
2. Assure that coin meter and coin switches
connect properly to control input wires.
•
VGM (video game machine)
accepts currency or tokens,
but number of credits per
coin or bill is incorrect.
Faulty coin
mechanism 1. Verify that coin mechanism works correctly by
testing it in working VGM.
2. If mechanism is bad, replace it.
Improper currency
1. Unlock and open cash door. Empty cash box.
Inspect revenue for counterfeit currency.
2. Check vault. Remove any items that block path
from mechanism.
Faulty coin
mechanism
1. Unlock and open coin door. Check each
mechanism for proper mounting.
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.
•
VGM won’t accept currency
or tokens.
•
VGM won’t start.
•
Audio and video are present.
Tilted coin
mechanism or VGM
1. Verify that mechanism is level after doors close.
2. Repair or replace coin door if it is bent or
damaged.
3. If necessary, adjust cabinet leg levelers to keep
mechanisms vertical.
Burned-out bulb 1. Burned-out bulbs may appear white or darkened.
Check continuity with DVM.
2. Replace burned-out bulb with same type.
•
Coin indicators don’t light
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