Midway Gauntlet Dark Legacy 39in Service Manual

42Midway Games West Inc.
Chapter 4 Parts
COIN DOOR 

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Chapter 4 Parts
POWER SUPPLY ASSEMBLY (20-10400.1)
COUNTRY SPECIFIC IEC AC LINE CORDS
5850-15521-01 (USA) 5850-15521-03 (UK) 5850-15521-06 (Japan)
VIDEOCARD ASSEMBLY (20-10511)
There are no field replaceable parts in the videocard assembly.
D.C. MAIN POWER
CONNECTORA.C. AUXILIARY POWER
CONNECTORHARD DISK DRIVE POWER
CONNECTOR 

44Midway Games West Inc.
Chapter 4 Parts
VEGAS CPU BOARD ASSEMBLY (A-22532)
FIELD REPLACEABLE PARTS
Designation Part Number Function Description
U8A 5460-15671-00 +3V Regulator Voltage Regulator 3.3 BT
U11 A-22545 EPROM 93C46
U13 A-22650 Game Logic Circuit PAL Assembly
U18 A-5343-30046-1 CPU Boot ROM EPROM Assembly 

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Chapter 4 Parts
VEGAS SOUND I/O BOARD ASSEMBLY (A-22647)
FIELD REPLACEABLE PARTS
Designation Part Number Function Description
U1, U2 5344-15764-00 FIFO Memory Circuit AM 7201-35JC
U19, U20 5370-14146-00 Audio Amplifier TDA 7204A
U37 A-23657 Security PIC Assembly
U44 A-5343-30022-3 Audio Instructions EPROM Assembly 

46Midway Games West Inc.
Chapter 4 Parts
Other Parts Necessary
Protection
Fuse, 1A, 250V, FB5730-15278-00
Fuse, 3A, 250V, SB5731-10356-00
Fuse, 6.3A, 250V, Type T5731-14529-00
Cables
Control Module Harness Cable H-22704
Main Harness (JAMMA) Cable H-22701
AC Harness Cable H-22048
Light and Speaker Harness Cable H-21487
Fluorescent Light Cable H-22050
Hard Disk Drive Ribbon Cable 5795-15344-07
Ground Wire H-21672
Pod Harness Cable H-22703
Documents
Game Manual 16-30047-101
Other Items
T-20 Tamper-Resistant...

CHAPTER
Gauntlet: Dark Legacy47
Wiring
NOTICE: 
Information in this manual may change without notice. Midway Games West Inc. reserves 
the right to make improvements in equipment function, design, or components as progress in engineer-
ing or manufacturing methods may warrant. 

48Midway Games West Inc.
Chapter 5 Wiring
JAMMA CHART
Note: Power SUpply has +5V adjustment. Other source voltages are all fixed. Set voltage so TOO HIGH 
and TOO LOW voltage LED indicators on CPU Board are both OFF.
FUNCTION WIRE COLOR PIN PIN WIRE COLOR FUNCTION
Ground Black A 1 Black Ground
Ground Black B 2 Black Ground
+5VDC Red C 3 Red +5VDC
+5VDC Red D 4 Red +5VDC
-5VDC Yellow E 5 Yellow -5VDC
+12VDC Orange F 6 Orange +12VDC
Key N/C H 7 N/C Key
Coin Counter 2 Brown-Red J 8 Brown Coin Counter 1
Not...

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Chapter 5 Wiring
MAIN CABINET WIRING DIAGRAM 

50Midway Games West Inc.
Chapter 5 Wiring
CONTROL SECTION WIRING DIAGRAM 

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Chapter 5 Wiring
VEGAS CPU BOARD ASSEMBLY
VEGAS CPU ASSEMBLY SWITCH
Note: This switch resets CPU Board without turning AC power off at power supply.
DESIGNATION LOCATION FUNCTION POSITIONS STATE MEANING
S1 edge near U4, U5 resets, restarts game 2OFF normal 
operation
ON forced 
reset