CHAPTER 6 – SERVICE
Audio Troubleshooting
Problem
Cause Possible
Solution
Volume setting
Enter the Operator Menu and adjust volume the volume
setting for the cabinet. Verify that the attract volume is ON.
Verify the adjustable volume setting on the audio amp is not
turned off.
Bad wiring
Turn off the cabinet. Verify that all the wires are firmly
connected to each speaker. Verify that no wires are frayed
or improperly shorting to ground.
Blown speakers
Remove the speaker’s grill covers, and visually inspect each
speaker is in working order. Run the Sound Test from the
Operator Menu to verify each speaker is working.
No audio
Bad audio amp
You can verify the audio amp next to the Operator button is
working by installing it into another working cabinet. If that
is unavailable to you, plug a simple computer speaker into
the audio ports on the computer and verify that sound is
working from the computer.
Blown speakers
Remove the speaker’s grill covers, and visually inspect each
speaker is in working order. Run the Sound Test from the
Operator Menu to verify each speaker is working.
Faulty wiring
A weak or low muffled sound is a sign of reversed speaker
wires. Check for reversed wires on each speaker.
Audio is distorted or
muffled
Bad Power Supply A constant low hum in the speakers can be a faulty or bad
power supply.
Bad audio amp
You can verify the audio amp next to the Operator Button is
working by installing it into another working cabinet. If that
is unavailable to you, plug a simple computer speaker into
the audio ports on the computer and verify that sound is
working from the computer.
Blown Speakers
Remove the speaker grill covers and visually inspect each
speaker is in working order. Run the Sound Test from the
Operator Menu to verify each speaker is working.
Bad sound channel
Bad Wiring
Turn off the cabinet. Verify that all the wires are firmly
connected to each speaker. Verify that no wires are frayed
or improperly shorting to ground.
36
GLOBAL
VR
040-1201-01 Rev. C 5/28/2004
