Midway The Grid 25in Dedicated Operations Manual

12Midway Amusement Games, LLC
Startup and Testing
Refer to ”Cabinet Wiring Diagram” on page 64 to ensure all cable connectors are securely connected. Do 
not force connectors. Avoid reversing connections. Replace and lock rear door.
Line cord is with spare parts. Plug line cord into receptacle at bottom of cabinet rear. Plug line cord into 
grounded AC wall outlet. See ”AC POWER PLUG WITH BRACKET ASSEMBLY (A-23089)” on 
page 50 for more details. Turn AC power on at on/off switch in upper rear of...

CHAPTER
NOTICE: 
Information in this manual may 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 may warrant.
Service


0 1 0 0 1 0 0 1 0 0 1  1 0 0 1 0 0 1 0
0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0
0 1 0 0 1 0 0 1 1 0 0 1  0 1 0 0 1 0
1 0 0 1  0 1 0 0 1 0
0 1 0 0 1 0 0 1 0 0 1 0 0 1  0 0 1 0 0 1 0
1001 00 0 0
100 0010 10
0 1 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1 0
1 1 0 0...

14Midway Amusement Games, LLC
Servicing Cabinet
Marquee and Marquee Artwork
Remove four screws on marquee retaining strip. Remove Plexiglas and artwork.
Header
Turn off AC power and unplug line cords on cabinets whose headers need repair. Remove Torx screws 
from Light Box. Slowly pull Light Box off Top Panel until AC connector is accessible. Detach connector 
from fluorescent light and set Light Box aside. Repeat for double and triple headers.
Reaching through hole in Top Panel, remove wood screws that...

The Grid - Service15
Control Panel
Reach in coin door and release latch on either side of control panel. Pull joystick to swing panel forward.
Controls
BUTTONS. Pry tab on bottom of button assembly to release switch. Unscrew plastic nut beneath control 
panel and remove button housing through top of control panel.
JOYSTICK. Disconnect wiring to joystick. Remove nut at bottom center of joystick bottom. Remove joy-
stick sleeve and electronics beneath mounting plate. Pull joystick out through top of...

16Midway Amusement Games, LLC
Viewing Glass
Open control panel. Loosen three screws holding retaining strip. Support glass while removing retaining 
strip. Slide glass down and off cabinet.
Bezel
Remove viewing glass. Pull bezel forward off cabinet.
Monitor
Remove viewing glass and bezel. Remove nuts holding monitor to brackets. Perform anode discharge.
ANODE DISCHARGE. Connect a well-insulated ground strap to metal chassis. Slide free end of ground 
strap under CRT anode cap until you make contact with...

The Grid - Service17
Coin Meter
Open lower cash door. Unlock cash door and swing it open. Remove cash tub. Meter is on a plate at the 
bottom of the lower cash chamber. Remove screws and lift plate just enough to disconnect meter wires 
from harness. Record meter count before testing or replacing.
Coin mechanism
Turn off AC power. Unlock coin door and swing open. Unlatch and remove each coin mechanism sepa-
rately to clean or replace with different type. Ensure mechanism seats fully in holder upon...

18Midway Amusement Games, LLC
CPU Board Assembly
Turn off AC power. Unlock and remove rear door. Remove JAMMA connector and other connectors to 
CPU Board Assembly. Remove 30 screws holding cover to groundplane. Remove cover and set aside.
Remove screws holding CPU Board Assembly to groundplane. Retrieve the spacers behind the board for 
later use.
Alternately, you may only need to remove the three screws holding the electronics assembly access panel, 
if you wish to access only the portion visible...

CHAPTER
NOTICE: 
Information in this manual may 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 may warrant.
System


0 1 1 0 1 1 0 1 1 0   0 1 1 0 1 1 0 1 1
   101
 0 1 1 0 1 1 1 1 1
0 1 1 0 1 1   1 1 0 1   0  1 1 0 1 1 0 1 1
11
 0 1 1 0 1 1 0
1 1 0 1 1 0 1 1
0 1 1 0 1 0
0 1 1 0 1 1 0 1   0 1 1 0    1 0 1 1 0 1 1
0 1 1 0 1 1 0       1 0  1 1 0 1 1 0 1 1
1 1 1 0 1...

20Midway Amusement Games, LLC
Menu System
Activating the Menu System
Unlock and open the upper cash door. Press the Test Mode pushbutton. 
OPERATOR CONTROL SWITCHES
Common Operator Adjustments
DIFFICULTY. See page 36
DURATION. See page 37
PRICING. See page 32
VO L U M E .  See page 41
VIOLENCE. 
See page 23 

The Grid - System21
Main Menu
The Grid Test Menu
Game Code Version
Diagnostic Tests
Coin Bookkeeping
Game Audits
Game Adjustments
Utilities
System Info
Volume Adjustments
Exit to Game Over
Scroll with Joystick
Select with Any Button
Switch Test
DIP Switch Test
System Test
Sound Test
Monitor Patterns
Burn In Test
Coin Counter Test
View coin box totals and 
gameplay counters
View Audits
Make changes to pricing 
and game features
Serial Number
Manufacture Date
Version Information
Clear Credits
Clear Coin...