4. Game accepts currency or tokens, but number of credits per coin or bill is incorrect.
A. Unlock and open the coin door.
Enter the game Menu System by pressing and holding the
BEGIN TEST switch inside the coin door. From the DIAGNOSTICS menu, choose the SWITCH
TESTS (refer to Section Two for addltional details).
Use these tests to confirm the
operahon
of
each switch used in the game.
B:
From the ADJUSTMENTS menu, choose PRICING to verify units and credits are set correctly.
C:
Check that the cabinet wiring is correct for this game. Ensure that the coin meter and coin
switches are properly connected to the control input wires from the JAMMA connector and other
CPU wiring. Refer to the Cabinet Wiring Diagram (Section Three) for specific wiring information.
COIN SWITCH AND METER WIRING
FACTORY STANDARD
L
-a
COIN SWITCH
1
.lAMMA P,N 16
I
>
I
COlN SWTCH 2 JAMMA PIN T
I
z-
COlN SWTC” JAMMA GRO”ND
COMMON
OPTIONAL WIRING
>
COlN SWTCH f
w-1
COlNSWTCH2
I
COIN SWTCH JAMMA GROUND
COMMON
JAMhrA +5voiTs
INCORRECT WIRING
A connection between JAMMA coin input pins will cause twice the desired credits for each coin inserted.
A coin meter with a defective or missing diode may eventually damage driver circuits on the CPU Board.
4-4
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