Scientific Games TWINSTAR UPRIGHT User manual

ORIGINAL INSTRUCTIONS: ALL NON-ENGLISH EDITIONS OF THIS DOCUMENT ARE TRANSLATIONS OF THE ORIGINAL INSTRUCTIONS.
CONFIDENTIAL
TWINSTAR™ UPRIGHT (SG-1V43-ST) SERVICE MANUAL
Upright Cabinet with J43 Display Monitor
11 September 2017 1489211 [B]

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
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,
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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
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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
TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Contents 3
Contents
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
About this Document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Reference Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Preventing Injury and Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Environmental Protection and Recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Chapter 1 Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Cabinet Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Cabinet Door and Lock Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Cabinet Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Accessing the Belly Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Accessing the Main Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Accessing the Pillow Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Accessing the Cash Box Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Cabinet Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Frequently Asked Questions (FAQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
What are these error messages? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Where can I find more lock information? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Why is the monitor off when the cabinet power is on? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Cabinet Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Chapter 2 Bill Acceptor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Bill Acceptor Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Bill Acceptor Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Replacing the Bill Acceptor Validation Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Replacing the Bill Acceptor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Bill Acceptor Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Frequently Asked Questions (FAQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
What are these error messages? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Bill Acceptor Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Chapter 3 Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Printer Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Printer Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Replacing the Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Printer Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Frequently Asked Questions (FAQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
What are these error messages? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Printer Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Contents 4
Chapter 4 CPU Control Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
CPU Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
CPU Front Panel LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
CPU Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
BIOS Module LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
CPU Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Replacing the CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Replacing the AA Lithium Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Removing the Video Card and Video Duct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Reinstalling the Video Card and the Video Duct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Removing the Logic Door Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Replacing the BIOS Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Replacing the CR2032 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Replacing the Memory Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
CPU Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Frequently Asked Questions (FAQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
What are these error messages? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Where can I find more detailed CPU information? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Why doesn’t the game work after turning on the machine? . . . . . . . . . . . . . . . . . . . . . . . . . 47
Why did the CPU overheat? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Why is the game not starting up when the power is on? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Why do I see clear NVRAM messages during a RAM clear? . . . . . . . . . . . . . . . . . . . . . . . . . . 47
CPU Control Subsystem Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Chapter 5 Backplane Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Backplane Board Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Backplane Board Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Removing the Backplane Board from the Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Backplane Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Frequently Asked Questions (FAQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
What are these error messages? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Where can I find more detailed CPU information? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Backplane Board Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Chapter 6 Power Supplies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Power Supply Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Power Supply Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Replacing the power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Replacing the Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Replacing the DC Power Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Power Supply Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Frequently Asked Questions (FAQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
What are these error messages? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Where can I find more detailed CPU information? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

© 2017 Scientific Games Corporation, All Rights Reserved. Unauthorized distribution prohibited. CONFIDENTIAL
TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Contents 5
Power Supply Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Chapter 7 AC Power Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
AC Power Module Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
AC Power Module Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Frequently Asked Questions (FAQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
What are these error messages? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Where can I find more detailed CPU information? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
AC Power Module Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Chapter 8 Deck. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Deck Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Deck Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Removing the iDeck™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Deck Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Frequently Asked Questions (FAQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
What are these error messages? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
How do I align the button artwork, label, or legend? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Why is the button wear uneven? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Why is there no deck display? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Deck Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Chapter 9 Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Monitor Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Backplane Video Display Port Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Monitor Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Removing the Main Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Installing the Main Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Monitor Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Frequently Asked Questions (FAQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
What are these error messages? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Why are the displays reversed? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Why is there no video when the power indicator LEDs are on? . . . . . . . . . . . . . . . . . . . . . . 80
Why is there no video when the cabinet power is on? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Why doesn’t the touchscreen respond? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Monitor Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Chapter 10 Topper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Topper Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Topper Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Replacing the Topper Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Topper Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Frequently Asked Questions (FAQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
What are these error messages? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

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Contents 6
Topper Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Chapter 11 Tower Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Tower Light Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Tower Light Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Frequently Asked Questions (FAQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
What are these error messages? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
The tower light does not illuminate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Tower Light Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Appendix A Periodic Maintenance Reference. . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Cabinet Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Cabinet Interior Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Cabinet Exterior Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Glass and Plexiglas Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Illumination Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Cable Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Cable Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Testing Cable Continuity using a Continuity Tester (or Multimeter) . . . . . . . . . . . . . . . . . . . . . 95
Door and Key Switch Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Door and Key Switch Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Replacing a Door or Key Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Lock, Cam, and Key Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Locks and Key Switch Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
CPU Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
CPU Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Power Supply Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Power Supply Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Removing the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Removing the PVM Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Deck Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Interactive Touch Panel Deck (iDeck™) Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Player Panel Buttons Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Monitor Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Viewable Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Bill Acceptor Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Flash Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Bill Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Timing Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Printer Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Flash Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Print Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

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Contents 7
Tower Light Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

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TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Contents 8

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TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Preface 9
Preface
This preface includes the following topics:
About this Document on page 9
Reference Publications on page 9
Contact Information on page 9
Preventing Injury and Damage on page 9
Environmental Protection and Recycling on page 10
About this Document
The machine software includes diagnostic functions and error message information. To determine the cause of error
messages, refer to your ArgOS operating system manual for a complete list of error, status, and dialog messages.
Reference Publications
Bulletins, 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:
 CPU-4X Control Subsystem Service Manual and User Guide (part number 1456703)
 ArgOS 2.X Operating System Service Manual and User Guide (part number 1458262)
 TwinStar™ Upright (SG-1V224ST) Operator Instructions (part number SG-1V224ST)
 TwinStar™ Upright (SG-1S3-ST) Operator Instructions (part number SG-1S3-ST)
 TwinStar™ Upright (SG-1V43-ST) Operator Instructions (part number 1496386), Upright Cabinet with J43 Display
Monitor
Contact Information
Preventing Injury and Damage
Preventing Shock: Always remove power from the machine before starting any service tasks.
Preventing ESD: 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.
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] [e-mail]

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TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Preface 10
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.

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TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Chapter 1 Cabinet 11
Chapter 1 Cabinet
This section provides the following information:
Cabinet Overview on page 11
Cabinet Instructions on page 15
Cabinet Troubleshooting on page 20
NOTE
Machine configurations may vary. See your cabinet manuals for parts specific to
your machine.
Cabinet Overview
The cabinet is the housing which encloses the machine components. The cabinet is also a base for toppers and tower
lights.
Figure 1 Cabinet Example
NOTE
For distinguishing features, specifications, and parts specific for your cabinet, see
your Operator’s Instruction Manual.

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TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Chapter 1 Cabinet 12
Cabinet Overview
Cabinet Door and Lock Locations
These machines require at least five to seven locks and a key for the audit key switch to control access to the cabinet and
specific machine components. The following figures display the locations of locks and the audit key switch lock.
Figure 2 External Lock Locations
Table 1 External Lock Location Figure Legend
Callout Description
AMain Door
BBelly Door Lock
CBelly Door
DAttendant Key Switch
EMain Door Lock
FCash Box Door Lock
GPillow Assembly
B
D
A
G
F
E
C

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TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Chapter 1 Cabinet 13
Cabinet Overview
Figure 3 Internal Lock Locations-CPU Assembly Lock
Figure 4 Internal Lock Locations-Bill Acceptor Cash Door Lock

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TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Chapter 1 Cabinet 14
Cabinet Overview
Figure 5 Lock Assembly Example
Table 2 Lock Assembly Figure Legend
Callout Description
AKey, Shape May Vary
B1 7 Pin Tumbler with Circular Keyway and 3/4-Inch Diameter Body
B2 Barrel, Length May Vary
B3 Locked Position, Key Removable
B4 Counter Clockwise Rotation Locked Position
B5 Clockwise Rotation Locked Position
CMounting Nut
DCam Stop Plate
E3-Prong Washer or Star Washer
FHex Nut
AB2
D
C
E
F
F
E
E
D
C
B1
B4 B5
B3

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TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Chapter 1 Cabinet 15
Cabinet Instructions
Cabinet Instructions
Use the following instructions to ensure safe and correct door operation:
Secure doors with locks installed according to instructions from your lock manufacturer.
When closing doors, always ensure the door frame areas are free from foreign objects and that each door
latches securely.
Do not apply excessive force.
CAUTION
The machine must be bolted to the wall, floor, or other machine before opening
doors.
Accessing the Belly Door
Use the following instructions to access the belly door:
1To unlock the belly door, insert the key into the left lock, and turn it to the right.
Figure 6 Unlocking the Belly Door
2Upon unlocking, the belly door opens slightly. Grasp the right edge of the belly door and pull outward.
Figure 7 Opening the Belly Door

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TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Chapter 1 Cabinet 16
Cabinet Instructions
Accessing the Main Door
Use the following instructions to access the main door:
1To unlock the main door, insert the key into the center lock, and turn it to the right to release the handle.
Figure 8 Main Door Lock
2Grasp the handle from the left edge and pull it forward until the main door separates from the lock.
Figure 9 Main Door Release Handle

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TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Chapter 1 Cabinet 17
Cabinet Instructions
3Grasp both sides of the main door and pull outwards and pivot upwards.
Figure 10 Opening the Main Door

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TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Chapter 1 Cabinet 18
Cabinet Instructions
Accessing the Pillow Assembly
Use the following instructions to access the pillow assembly:
1With the main door open, open the pillow assembly by grasping the top of the trim and tilting it towards
yourself.
Figure 11 Opening the Pillow Assembly
Figure 12 Pillow Assembly (Open Position)

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TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Chapter 1 Cabinet 19
Cabinet Instructions
Accessing the Cash Box Door
Use the following instructions to access the cash box door:
1To unlock the cash box door, insert the key into the right lock, turn it to the right, and lower the door.
Figure 13 Unlocking the Cash Box Door
Figure 14 Opening the Cash Box Door

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TwinStar™ Upright (SG-1V43-ST) Service Manual 1489211 [B]
Chapter 1 Cabinet 20
Cabinet Troubleshooting
Cabinet Troubleshooting
Frequently Asked Questions (FAQ)
What are these error messages?
For detailed error message information, see your ArgOS 2.X Operating System Service Manual and User Guide (part number
1458262).
Where can I find more lock information?
For detailed lock information, see your lock manufacturer operation and maintenance manuals.
Why is the monitor off when the cabinet power is on?
Solution:
1Verify that there is no physical damage to the monitor. Replace if necessary.
2Verify cable connections. Replace if necessary.
Cabinet Troubleshooting Flowchart
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.
Use the following flowchart to troubleshoot cabinet issues:
Figure 15 Troubleshooting Flowchart for the Cabinet