Scientific Games CPU-4.2.2.X User manual

ORIGINAL INSTRUCTIONS: ALL NON-ENGLISH EDITIONS OF THIS DOCUMENT ARE TRANSLATIONS OF THE ORIGINAL INSTRUCTIONS.
CONFIDENTIAL
CPU-4.2.2.X (1458954) SERVICE MANUAL
CPU Control Subsystem Service
19 July 2017 1493373 [A]

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X (1458954) Service Manual 1493373 [A]
2
© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. Confidential
Scientific Games Corporation
6650 S. El Camino Road
Las Vegas, NV 89118, USA
1 855 777 7435 (Toll Free)
1 702 897 7150
http://www.scientificgames.com
This document (“Document”) has been provided to you by Scientific Games Corporation or one or more of its directly or indirectly wholly
owned companies (collectively, “Scientific Games”). This Document contains a variety of: (a) materials and other items relating to products or
services of Scientific Games or its licensors or other third parties, including layout, information, text and scripts, data, files, images,
photographs, pictures, artwork, designs, graphics, logos, drawings, charts, button icons, instructions, illustrations, advertising copy,
technology, interactive features,“look and feel,” and the compilation, assembly and arrangement of the materials of the Document, and
copyrightable material; (b) service marks, trademarks, logos, trade names and trade identities of Scientific Games or its licensors or third
parties, when applicable; and (c) other forms of intellectual property (all of the foregoing in (a), (b) and (c), collectively,“Content”). This
Document and the Content are owned or controlled by Scientific Games or its licensors or third parties, when applicable. All right, title, and
interest in and to the Content is the property of Scientific Games or its licensors, when applicable, and is protected by the intellectual
property laws of the United States and elsewhere to the fullest extent possible. All ® notices signify marks registered in the United States by
Scientific Games or its licensors, when applicable. Scientific Games grants the intended recipient a limited, non-exclusive, revocable,
non-assignable, personal, and non-transferable license to view and/or print one copy of the Content, but Scientific Games or its licensors, as
the case may be, retain ownership of such Content. The foregoing limited license does not provide the intended recipient with any ownership
of, or any other intellectual property interest in, any Content and this license may be immediately suspended or terminated for any reason, by
Scientific Games in its sole discretion, and without advance notice or liability.
This Document has been provided to you solely for use in operating the product described herein. The specifications and information
contained in this documentation are subject to change without notice. All statements, information, illustrations, specifications and
recommendations in this documentation are believed to be accurate, but are provided without warranty of any kind, express or implied. The
product information referenced in this Document is being provided by Scientific Games as is.

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Contents 3
Contents
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Reference Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Preventing Injury and Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Environmental Protection and Recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Chapter 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Lock Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Recommended Operating Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Chapter 2 Getting Started. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Opening the Logic Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Changing the Logic Door Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Installing A Secondary Lock (If Applicable) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Removing Battery Protector Tabs (If Applicable) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Installing the Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Chapter 3 CPU Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
CPU Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
CPU Front Panel LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
CPU Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
BIOS Module LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
CPU Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Replacing the CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Replacing the AA Lithium Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Removing the Video Card and Video Duct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Reinstalling the Video Card and the Video Duct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Removing the Logic Door Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Replacing the BIOS Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Replacing the BIOS Module Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Replacing the CR2032 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Replacing the Memory Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Replacing the Solid State Drive (SSD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
CPU Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Frequently Asked Questions (FAQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
What are these error messages? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Where can I find more CPU information? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Why doesn’t the game work after turning on the machine? . . . . . . . . . . . . . . . . . . . . . . . . . 39
Why did the CPU overheat? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Contents 4
Why is the game not starting up when the power is on? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Why do I see clear NVRAM messages during a RAM clear? . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Is there any other troubleshooting analysis available? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
CPU Control Subsystem Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Chapter 4 Backplane Board Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Backplane Board Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Backplane Board Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Removing the Backplane Board from the Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Backplane Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Frequently Asked Questions (FAQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
What are these error messages? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Where can I find more CPU information? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Backplane Board Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Chapter 5 Power Supply Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Power Supply Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Power Supply Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Replacing the power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Replacing the Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Replacing the DC Power Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Power Supply Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Frequently Asked Questions (FAQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
What are these error messages? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Where can I find more CPU information? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Power Supply Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Chapter 6 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
CPU Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
CPU Lock Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Preface 5
Preface
This preface includes the following topics:
Reference Information on page 5
Contact Information on page 5
Preventing Injury and Damage on page 5
Environmental Protection and Recycling on page 6
Reference Information
Revocation Bulletins, Service Manuals, and other documents are available online at
https://www.SGgaming.com/members/login. To request a login and password, select Request New Login.
The following documents provide additional information:
Service Manual and User Guide 1456703: CPU-4.X.XX Control Subsystem (for CPU-4.1.1.X through 4.2.2.X)
Service Manual and User Guide 1458262: ArgOS 2.X Operating System
Contact Information
Preventing Injury and Damage
Preventing Shock: Always remove power from the machine before starting any service tasks.
Preventing ESD: Always use appropriate ESD mitigation procedures.
Replacing the Power Cord: If the Power Cord is damaged, it must be replaced by the manufacturer (Scientific
Games Corporation), its service agent, or similarly qualified persons to avoid a hazard.
Properly Secure and Vent All Equipment: Before starting any service tasks, the cabinet, top or accessory box,
and machine must be correctly secured and installed, with adequate ventilation, as described in the
corresponding product manual or guide to avoid injury and equipment damage.
Ladder Safety: Follow all company mandated ladder safety procedures. Do not exceed the maximum load
rating of a ladder. Be aware of the ladder load rating and of the weight it is supporting, including the weight of
any tools or equipment.
Region Telephone Email
Americas + 1 877 748 3387 [email protected]
Asia Macau 853 625 22559 [email protected]
Singapore 65 8522 7465
Australia/New Zealand Australia 1 800 837 668 [e-mail]
New Zealand 0800 476 321
Europe/Middle East/Africa (EMEA) [phone] [email protected]

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Preface 6
Environmental Protection and Recycling
Environmental Protection and Recycling
This product bears a recycling mark in accordance with the Waste from Electrical Electronic
Equipment (WEEE) European Commission Directive 2012/19/EU. This mark indicates that the
product should be deposited at an appropriate facility to enable recovery and recycling in
accordance with all applicable laws. To identify an environmentally sound disposal method for
this product or its component parts, please contact the responsible government authority in
your area. For information on available product take-back programs, see our websites
https://www.sggaming.com/Customer-Center/Games-Support/WEEE-Directive or
http://www.scientificgames.com.

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Chapter 1 Introduction 7
Chapter 1 Introduction
This chapter includes the following topics:
Overview on page 7
Prerequisites on page 8
Lock Specifications on page 8
Recommended Operating Environment on page 9
Overview
The CPU control subsystem is the collection of components that work together to control the machine. It consists of the
following components:
CPU-4.X.X.X Assembly
Backplane Board
Power Supply Module (PSM)
Fan Tray
Cabling (not shown)
The following figure displays examples of the CPU control subsystem components:
Figure 1 CPU Control Subsystem
.
NOTE
For information on previous versions of the CPU-4.X.X.X, please see the CPU-4.X.XX
Control Subsystem Service Manual And User Guide (1456703).
Table 1 Figure Legend
Callout Description
ACPU-4.X.X.X Assembly
BBackplane Board
CPower Supply Module (PSM)
DFan Tray
A
B
C
D

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Chapter 1 Introduction 8
Prerequisites
Prerequisites
Using this CPU requires the following additional items:
Compatible Operating System Media
Compatible RAM Clear Media
BIOS/JUR-SPI Module
Locks (quantity one or two depending upon your machine configuration)
Lock Spacers (quantity depends upon your machine configuration)
Lock Specifications
The following table provides CPU lock information.
NOTE
To avoid delays, purchase your machine locks well before your planned
installations. Purchase several spare locks from your lock manufacturer and keep
them available. See your product manuals for additional lock and cam
information. For additional options or selections for your lock manufacturer,
contact your Customer Service Representative.
Table 2 CPU Lock Specifications
Lock Location Length Extended
Length*
Cam Description Cam
Part No.
Spacer
Part No.
Rotation to
Lock (viewed
from key end)
CPU Assembly 16 mm
(5/8 inch)
13 mm
(1/2 inch)
outside
1.40 x 0.80 flat dual
mounting
1445488 02-026697-00-04 clockwise
CPU Assembly 22 mm
(7/8 inch)
13 mm
(1/2 inch)
outside
1.40 x 0.80 flat dual
mounting
1445488 02-026697-00-04 (x2) clockwise
CPU Assembly 29 mm
(1-1/8 inch) 13 mm (1/2 inch)
outside
1.40 x 0.80 flat dual
mounting 1445488 02-026697-00-04 (x3) clockwise
CPU Assembly
(secondary)
16 mm
(5/8 inch)
13 mm
(1/2 inch)
outside
1.40 x 0.80 flat dual
mounting
1445488 02-026697-00-04 clockwise
CPU Assembly
(secondary)
22 mm
(7/8 inch)
13 mm
(1/2 inch)
outside
1.40 x 0.80 flat dual
mounting
1445488 02-026697-00-04 (x2) clockwise
CPU Assembly
(secondary)
29 mm
(1-1/8 inch)
13 mm
(1/2 inch)
outside
1.40 x 0.80 flat dual
mounting
1445488 02-026697-00-04 (x3) clockwise
*Extending the lock requires a spacer.

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Chapter 1 Introduction 9
Recommended Operating Environment
Recommended Operating Environment
The following table describes the recommended machine and CPU operating environment:
Table 3 Recommended Operating Environment
Description Value
Temperature Range 4-40 Degrees Celsius (39.2-104 Degrees Fahrenheit)
For CPUs shipped to cooler climates, avoid excessive condensation and possible thermal shock
by ensuring that the CPU has acclimated to the room temperature before switching power on.
Humidity (Maximum) 90%

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Chapter 2 Getting Started 10
Chapter 2 Getting Started
This chapter includes the following topics:
Opening the Logic Door on page 10
Changing the Logic Door Lock on page 11
Installing A Secondary Lock (If Applicable) on page 13
Removing Battery Protector Tabs (If Applicable) on page 16
Installing the Media on page 18
WARNING
To avoid damage, do not touch, grasp, push, or pull CPU components.
CAUTION
To prevent damage to electronic components, always use appropriate
electrostatic discharge (ESD) precautions. Use a wrist or ankle strap and ground all
tools and equipment.
NOTE
Machine configurations may vary. See your cabinet manuals for parts specific to
your machine.
Opening the Logic Door
Use the following instructions to open the logic door.
1Ensure the EGM power is off.
2Unlock and open the logic door by inserting the key and turning it counter clockwise.
Figure 2 Unlocking and Opening the CPU
.

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Chapter 2 Getting Started 11
Changing the Logic Door Lock
Changing the Logic Door Lock
Use the following instructions to change the lock.
Required Tools
Ratchet
Sockets: 7/16-inch, 7/8-inch deep well
Wrench, 7/8-inch
1With the logic door open, remove the nut securing the cam to the lock mechanism using a 7/16-inch socket and
ratchet.
2Remove the cam and set it aside for future use.
3Remove the hex nut securing the keyed lock to the lock plate using a ratchet and a deep well 7/8-inch socket or
a 7/8-inch wrench.
4Remove the shipping lock and spacer from the front of the lock plate.
Figure 3 Logic Door Back View Example
Table 4 Figure Legend
Callout Description
ANut, with Nylon Insert
BCam
CHex Nut
DLock and Spacer
A
B
C
D

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Chapter 2 Getting Started 12
Changing the Logic Door Lock
5Ensure the new lock and number of spacers is appropriate.
NOTE
For additional information, see Lock Specifications on page 8.
6Insert the new lock and spacers into the lock plate hole and secure it with the hex nut using a deep well
7/8-inch socket and ratchet or a 7/8-inch wrench.
7Secure the cam to the lock with the previously removed nut using a 7/16-inch socket and ratchet.
8Ensure the keyed lock installed turns clockwise to lock the logic door and counter-clockwise to unlock the logic
door.
Figure 4 Logic Door Back View Example
Table 5 Figure Legend
Callout Description
ANut, with Nylon Insert
BCam
CHex Nut
DLock and Spacer
A
B
C
D

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Chapter 2 Getting Started 13
Installing A Secondary Lock (If Applicable)
Installing A Secondary Lock (If Applicable)
Use the following instructions to install a secondary lock, if applicable.
Required Tools
Ratchet
Sockets: 7/16-inch, 7/8-inch deep well
Wrench, 7/8-inch
7 mm nut driver
1With the logic door open, remove the nut securing the cam to the lock mechanism using a 7/16-inch socket and
ratchet.
2Remove the cam and set it aside for future use.
3Remove the hex nut securing the keyed lock to the lock plate using a ratchet and a deep well 7/8-inch socket or
a 7/8-inch wrench.
4Remove the shipping lock and spacer from the front of the lock plate.
Figure 5 Logic Door Back View Example
Table 6 Figure Legend
Callout Description
ANut, with Nylon Insert
BCam
CHex Nut
DLock and Spacer
A
B
C
D

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Chapter 2 Getting Started 14
Installing A Secondary Lock (If Applicable)
5Remove the lock plate from the CPU assembly by removing two nuts using a 7mm nut driver. Save the nuts for
future use.
Figure 6 Removing the Lock Plate
6Rotate the cover plate placing the two lock holes towards the back of the CPU.
7Secure the lock plate to the CPU assembly with the two previously removed nuts using a 7mm nut driver.
Figure 7 Securing the Lock Plate
8Ensure the secondary lock and number of spacers is appropriate.
NOTE
For additional information, see Lock Specifications on page 8.
9Install the previously removed lock and spacers into one of the lock plate holes and secure it with the hex nut
using a deep well 7/8-inch socket and ratchet or a 7/8-inch wrench.
10 Insert the secondary lock and spacers into the remaining lock plate hole and secure it with the hex nut using a
deep well 7/8-inch socket and ratchet or a 7/8-inch wrench.
11 Secure the cams to the locks with the previously removed nuts using a 7/16-inch socket and ratchet.

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Chapter 2 Getting Started 15
Installing A Secondary Lock (If Applicable)
12 Ensure the locks turn clockwise to lock the logic door and counter-clockwise to unlock the logic door.
Figure 8 Dual CPU Locks
Table 7 Figure Legend
Callout Description
ANut, with Nylon Insert
BCam
CHex Nut
DLocks and Spacers (not visible)
C
AA BB
C
DD

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Chapter 2 Getting Started 16
Removing Battery Protector Tabs (If Applicable)
Removing Battery Protector Tabs (If Applicable)
Use the following instructions to remove the battery protector tabs and complete their connection with the CPU main
board, if applicable.
NOTE
If the backup batteries are not working, the EGM may lose settings when the power
is turned off. After enabled or replaced, the time and date must be set or reset.
1Remove the battery protector tab on the coin cell battery, if applicable.
Figure 9 Coin Cell Battery Location
Figure 10 Coin Cell Battery Protective Tab Detail
2Remove the battery protector tabs on the four AA batteries, if applicable.
Figure 11 AA Battery Location

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Chapter 2 Getting Started 17
Removing Battery Protector Tabs (If Applicable)
Figure 12 AA Battery Protective Tab Detail

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Chapter 2 Getting Started 18
Installing the Media
Installing the Media
Use the following instructions to install the media.
CAUTION
To prevent damage, avoid excessive force when installing media.
CAUTION
Do not use a RAM Clear or Operating System USB drive in this instruction.
NOTE
For details on the BIOS/JUR SPI Module diagnostic LEDs, see BIOS Module LEDs on
page 26.
1Locate the BIO/JUR SPI module receptacle (yellow).
2Insert the BIOS/JUR SPI module into the receptacle (yellow) on the CPU main board.
Figure 13 Installing the BIOS/JUR SPI Module
3Insert the game theme software USB drive into a USB 2.0 port on the CPU main board.
Figure 14 Installing the BIOS/JUR SPI Module

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Chapter 3 CPU Service 19
Chapter 3 CPU Service
This chapter includes the following topics:
CPU Overview on page 19
CPU Instructions on page 27
CPU Troubleshooting on page 39
NOTE
Machine configurations may vary. See your cabinet manuals for parts specific to
your machine.
CPU Overview
The central-processing unit (CPU) is the hardware component that controls the machine.
Figure 15 CPU Control
The figure below displays CPU Control Subsystem components.
Figure 16 CPU Internal Components Photo
A
G
C
B
D
FH I E

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
CPU-4.2.2.X Service Manual 1493373 [A]
Chapter 3 CPU Service 20
CPU Overview
Figure 17 CPU Internal Component Assembly
Table 8 Internal Components Photo and Assembly Figure Legend
Callout Description
AVideo Card Duct Housing and Video Card
BBIOS/ JUR Module Guide (Yellow)
CBIOS/ JUR Module
DCoin Cell Battery 3.2v (Round)
ESSD Bracket (Location)
FSolid State Drive
GDRAM Chips
HLithium Batteries (AA)
IDoor Switch
B
G
A
D
H
I
F