Version 03/04
Big Buck Hunter II Page 31
C
ONTROL
P
ROBLEMS
Symptom
Probable Cause
Solution
Start Button does not work or is partly
inoperable. Or the selections keep
scrolling on Operator Mode menus.
Switches not properly connected.
Make sure that the common post of the
switch is connected to ground.
Make sure each individual switch is
working by doing the Control Panel Test
found in the SYSTEM TESTS section.
Make sure that the signal wire for that
particular switch is connected to the
normally open post of the switch.
JAMMA Harness connected improperly.
Identify Pin 1 on the JAMMA connector
and on the PCB. If installed incorrectly,
damage to the PCB may have occurred.
Coin counter not working
Miscellaneous.
Make sure that the signal wire has a
connection from the counter to the
board.
Make sure counter has correct voltage
supply connected. +12 or +5,
depending on the model.
Verify that the counter is good.
Gun does not work
No +5 voltage.
Bad inductor (L52) or bad connection to
Gun.
Check for +5V on J52 Pin 1 on GREEN
BOARDS, and J59 Pin 1 on RED
BOARDS.
Bad gun or gun cable.
Change with known, good gun and/or
gun cable.
Gun not connected to gun connector.
Connect gun cable to J52 Gun 1 for
GREEN BOARDS, and J59 Gun 1 for
RED BOARDS.
Gun fails to hit targets
Sun, fluorescent lights, or glare on
monitor
Darken room or re-position machine.
Gun out of adjustment
Use game software to adjust gun
calibration.
Black level may be out of adjustment
Adjust screen’s Black Level so black
looks black. Re-adjust brightness and
contrast as needed.
Intermittent or non-functioning gun,
normal game starts
Dirty Optics
Clean dirt and debris from gun. Do not
apply cleaning fluids into the gun barrel.
NOTE:
Bright overhead lights, direct sunlight or neon lighting may interfere with the optical gun operation. Reduce
the light levels, re-position cabinet and/or adjust the screen brightness to reduce this interference.