Midway Touch Master Infinity Countertop Operation Manual

Touchmaster® Infinity Countertop    Service - 3 
REAR DOOR REMOVAL 
1.  Insert key into Rear Door. Turn key 90 degrees clockwise to unlock. 
2.  Remove two screws that secure Rear Door. 
3.  Rear Door is hinged at bottom. Swing Door on hinge, remove, and set in safe place. 
4.  To replace, insert bottom hinges and swing Door closed. Turn key 90 degrees counter-clockwise to 
lock. Reinstall Rear Door screws. 
 
REAR DOOR REMOVAL 
TOP COVER ASSEMBLY REMOVAL 
1.  Remove Rear Door. Remove three right screws...

Service - 4    Midway Amusement Games, LLC 
CONTROL SWITCH ACCESS
 
Remove Side Cover Assembly to access TEST and CAL. pushbuttons on interior wall of cash chamber. 
• 
CAL. pushbutton lets you calibrate Touchscreen. This is crucial to maintaining quality of game play.  
• 
TEST pushbutton gives you access to system software to reset high scores, customize Attract Mode 
with location name, review game audits, and set other options. 
 
CAL. AND TEST BUTTONS LOCATION 
DEFLECTION BOARD BRACKET PIVOTING 
You...

Touchmaster® Infinity Countertop    Service - 5 
SERVICING THE TOUCHMASTER® INFINITY COUNTERTOP 
Only qualified service personnel should maintain and repair a Touchmaster® Infinity. Read all instructions 
and safety warnings carefully before beginning service. Failure to do so may cause serious injury or 
damage to machine. More specific notes, cautions, and warnings appear in manual where applicable. 
 
Each of the following service instructions requires you to switch AC power off and unplug 
line cord...

Service - 6    Midway Amusement Games, LLC 
Rotating Base 
Unlock and open Side Cover. 
Remove Cash Vault. 
Remove nylon screw from 
cash chamber. Replace 
Cash Vault and Side Cover. 
Turn cabinet upside down. 
Cut holes in pad to access 
nuts. Unscrew nuts and 
remove base. 
 
ROTATING BASE REMOVAL 
Fan 
Remove Rear Door and Top 
Cover Assembly. Disconnect 
fan wire connector. Use 
small pliers or nut driver to 
loosen and remove four nuts 
and fan grill from threaded 
studs. Remove fan from Top 
Cover...

Touchmaster® Infinity Countertop    Service - 7 
Pushbutton Switches 
Remove Side Cover 
Assembly, Rear Door, Top 
Cover Assembly. Remove 
switch mounting nuts. Push 
switches through hole. 
Disconnect wiring and remove 
switches. 
Coin Meter 
Remove Side Cover 
Assembly, Rear door, Top 
Cover Assembly. Swing up 
Deflection Board Bracket. 
Remove meter mounting 
screws. Disconnect wiring and 
lift meter away from interior 
wall. 
COIN METER
PUSHBUTTON
SWITCHES
HASP
 
CASH CHAMBER 
 CONNECTORS:
 Check...

Service - 8    Midway Amusement Games, LLC 
Modem Cable   
Remove Rear Door. Detach 
connector from modem port. 
Remove nut and washer 
from modem cable clamp. 
To replace, secure cable in 
clamp and tighten nut and 
washer. Insert connector into 
port. Tie a knot in the cable 
between clamp and rear door 
for strain relief. 
Replace Rear Door, guiding 
cable through notch at 
bottom of door next to left 
hinge. 
 
MODEM CARD 
Battery    
Remove electronics tray from 
cabinet. Disconnect cables 
and...

Touchmaster® Infinity Countertop    Service - 9 
Touchscreen Controller 
Remove Rear Door and Top 
Cover Assembly. Pivot 
Deflection Board Bracket up 
for access. Disconnect 
Touchscreen Controller 
cable connector (DB9) from 
CPU Board Assembly. 
Disconnect flat, rectangular 
Touchscreen Connector from 
center of Touchscreen 
Controller and let it hang free 
in cabinet. 
A hook and loop fastener 
holds controller to bulkhead. 
Gently pull controller box 
away from bulkhead and 
remove from cabinet....

Service - 10    Midway Amusement Games, LLC 
 
Monitor Controls 
Remove Rear Door and Top Cover Assembly. Monitor control board is just above power supply and 
includes adjustments for contrast, brightness, horizontal size and delay, vertical size and vertical center. 
 
HIGH VOLTAGE CONSIDERATIONS:
 CRTs and their power supplies can retain lethal
 
energy charges long after power is turned off. This is especially true when defective circuits 
prevent normal discharge. Perform two
 anode discharges...

 
CHAPTER 
2
456
13
 
System 
 
NOTICE: 
This manual is subject to change without notice. Midway Amusement Games, 
LLC reserves the right to make improvements in equipment function, design, or 
components as progress in engineering or manufacturing methods warrants. Installing field 
upgrade kits may also change the operating sequence or functions. 
  

System - 2    Midway Amusement Games, LLC 
Displays 
game help 
demo 
Displays names 
of record-
breaking high 
scores for all 
games. 
Permits 
language 
selection, if 
available. 
 
 
SYSTEM SOFTWARE 
Touchmaster® Infinity uses a graphical user interface for its Menu System that simplifies audits and 
diagnostics. The following button conventions are used at the bottom of Menu System screens. 
 or
   Accepts modifications to current screen and returns to previous screen.
 
 Ignores recent modifications...