Midway Touch Master Infinity Upright Operation Manual

Touchmaster® Infinity Upright    Troubleshooting- 7 
Audio Problems 
Symptom Problem Suggested Solution 
• 
Audio is non-
functional. 
• 
Video present 
• 
Machine appears to 
operate normally. Volume set too low 
in software 1.  Open upper cash door. Enter Menu System by 
pressing TEST pushbutton. 
2.  From MAIN MENU, observe Volume Fixed level. 
3.  Verify that volume is not set at zero. Change level 
to maximum to make sounds audible. 
  Volume set too low 
on CPU board 
assembly (some 
models) 1....

Troubleshooting - 8    Midway Amusement Games, LLC 
 
Audio Problems 
Continued 
Symptom Problem Suggested Solution 
• 
Audio distorted or 
muffled 
• 
Constant low hum 
present 
• 
Sounds missing System error  1.  Open cash door. Enter Menu System by pressing 
TEST pushbutton. 
2.  From the SYSTEM SETUP menu, go to 
DIAGNOSTICS and choose SOUND TESTS. 
These tests verify some functions of the audio 
circuits. 
  W rong speaker  1.  Turn AC power off. 
2.  Remove Rear Marquee Cover and locate speaker....

Touchmaster® Infinity Upright    Troubleshooting- 9 
Video Problems 
Symptom Problem Suggested Solution 
• 
Monitor non-
functional 
• 
Audio present 
• 
Controls operate as 
expected. No power to 
monitor 1.  Remove Rear Door. 
2.  Verify AC Power is connected to the Video Monitor. 
3.  Inspect neck of the CRT under low light level 
conditions. 
4.  You can see a glow near the CRT base if there is 
voltage in the filament circuits. This does not mean 
that other voltages or signals are as they should...

Troubleshooting - 10    Midway Amusement Games, LLC 
 
Video Problems 
Continued 
Symptom Problem Suggested Solution 
  Faulty DC voltage 
source 1.  Turn AC power on. 
2.  Using the 20-Volt DC range on a digital voltmeter, 
measure DC voltages present at the Power 
connector pins. 
3.  Refer to the Cabinet W iring Diagram (W iring 
Chapter) for specific wiring information and voltage 
limits. 
4.  Adjust the +5V source if it is variable. 
  Ripple on DC 
supply pins Using the 2-Volt AC range on a...

Touchmaster® Infinity Upright    Troubleshooting- 11 
Miscellaneous 
Symptom Problem Suggested Solution 
• 
Machine operates 
normally. 
• 
Cabinet gets very 
warm after several 
hours of use. 
• 
System may reset or 
freeze after time. Poor air circulation  1.  Check bottom and rear of cabinet for blocked 
airflow. Move Machine away from sources of heat. 
2.  Turn AC power off. 
3.  Apply high power vacuum cleaner to vent holes to 
remove dust. 
4.  Remove Rear Door. 
5.  Ensure all fans are connected...

Troubleshooting - 12    Midway Amusement Games, LLC 
NOTES 
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WARNINGS & NOTICES 
Entire contents of this manual copyright © 1999-2000 MIDWAY AMUSEMENT GAMES, LLC All rights reserved. 
WARNING 
• 
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• 
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