Midway Gauntlet Dark Legacy 39in Service Manual
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52Midway Games West Inc. Chapter 5 Wiring VEGAS CPU BOARD ASSEMBLY JUMPER POSITION CHART Note 1: Set both jumpers J1 and J3 to EPROM or Flash ROM mode to use such devices. Note 2: These jumpers are independent Note 3: This jumper is independent of the CPU boot ROM size selected VEGAS CPU BOARD ASSY LED INDICATOR STATUS CHART Note 1 LED1 monitors CPU power (+3.3 Volts). If this LED is off or blinking, investigate processor circuits. If other LEDs are off or blinking at the same time, check the +5 Volt circuits or game power supply. Note 2 LED2 flashes when hard disk operates during game play. It may light continuously during startup. If this LED lights continuously, there may be a fault with the hard disk drive, which may be locked up. Note 3 LED3 initially indicates program start-up stages. It is a seven-segment alphanumeric display device. Under normal conditions, it displays a lowercase “b” or a sequentially blinking segment in an “O” pat- tern. During any of the self-test screens, it displays a “bouncing bar” resembling a hyphen (“-”). Designation Location Function Meaning Position Default J1 (Note 1) Near U19 & CPU Boot ROM EPROM Pins 1 & 2 X Connector P4 Type (U18) Flash ROM Pins 2 & 3 J2 (Note 2) Near U19 & CPU Boot ROM 1, 2, or 4Mbit flash ROMPins 1 & 2 X Connector P4 Size (U18) 8 Mbit flash ROMPins 2 & 3 J3 (Note 1) Near U19 & CPU Boot ROM EPROM Pins 1 & 2 X Connector P4 Type Flash ROM Pins 2 & 3 J4 (Note 2) Near U19 & CPU Boot ROM 2Mbit ROM Pins 1 & 2 X Connector P4 Size (U18) 1Mbit ROM Pins 2 & 3 J5 (Note 3) Near U19 & Expansion Boot 4Mbit ROM Pins 1 & 2 X Connector P4 ROM Size (U19) 8Mbit ROM Pins 2 & 3 J6 Between U13 Boot Program Boot from CPU ROMPins 1 & 2 X & U18 Location Boot from SIO ROMPins 2 & 3 Designation Location Function Color State Meaning LED1 (Note 1) Near U3 & U10 3.3V CPU Power Red Off Insufficient Power Indicator On Power OK Blinking Power Fault LED2 (Note 2) Near U19 & Hard Disk Green Off Not in use Connector P4 Drive Activity On Locked Up Blinking Normal disk activity LED3 (Note 3) Near U13 & U17 Indicator Red Off* *See Note Below On* Blinking* Sequentially
Gauntlet: Dark Legacy53 Chapter 5 Wiring VEGAS SOUND I/O ASSEMBLY VEGAS SOUND I/O BOARD ASSY JUMPER POSITION CHART Note 1 Set Gun 1 (P2) I/O port by setting both J1 and J8 jumpers to input or output mode. Note 2 Set Gun 2 (P4) I/O port by setting both J3 and J5 jumpers to input or output mode. Designation Location Function Meaning Position State J1 (Note 1) Near U9 & Gun 1 I/0 Input Mode Pins 1 & 2 X Crystal Y3 Connector P2 Output Mode Pins 2 & 3 J2 Between U35 and U10 Video Sync Positive Sync Jumper Not Installed X Negative Sync Pins 1 & 2 J3 (Note 2) Near U15 Gun 2 I/O Connector P4 Input Mode Pins 1 & 2 X Output Mode Pins 2 & 3 J4 None None Not Used None --- J5 (Note 2) Between U15 & Gun 2 I/O Input Mode Pins 1 & 2 X Connector P2 Connector P4 Output Mode Pins 2 & 3 J6 None None Not used None --- J7 None None Not Used None --- J8 (Note 1) Between U9 & Gun 1 I/O Input Mode Pins 1 & 2 X Connector P4 Connector P2 Output Mode Pins 2 & 3
54Midway Games West Inc. Chapter 5 Wiring VEGAS SOUND I/O BOARD ASSEMBLY LED INDICATOR STATUS CHART Designation Location Function Color State Meaning LED1 Near U11 SIO Board Green Off No boot ROM Activity On SIO Board locked up Blinking Power Fault LED2 Near U34 Linking Green Off Not in use (no game linking) Crystal Y1 Connector Status On Normal Linked Operation Blinking Link Fault LED3 Near the Jamma -5V Power Red Off No power Connector indicator On Normal operation Blinking Power fault LED4 Near U35 & +12V Power Red Off No power Connector P14 indicator On Normal operation Blinking Power fault LED5 Near +5V Power Red Off No power Connector P23 indicator On Normal operation Blinking Power fault LED6 Near U34 & CPU Linking Red Off Not in use Crystal Y1 Activity On CPU linking in progress Blinking Normal operation LED7 Near U34 & Linking Data Red Off Not in use (no game linking) Crystal Y1 On Sending data Blinking Normal operation LED8 Near U14 & Audio Activity Yellow Off No sound boot ROM Crystal Y1 On Locked up Blinking Normal operation LED9 Near U34 & Linking Yellow Off Not in use (no game linking) Crystal Y1 Receiving data On Receiving data Blinking Normal operation LED10 Near U44 & Audio activity Green Off Not in use (no audio data) Crystal Y2 On Receiving data Blinking Normal operation LED11 Near U44 & None Red Off Not in use (normal) Crystal Y2 On Circuit fault Blinking Circuit fault LED12 Near U44 & Interrupt activity Yellow Off Not in use (no interrupts) Crystal Y2 On Receiving data Blinking Normal operation LED13 Near U44 & Disk Activity Yellow Off Not in use Crystal Y2 On Processing data Blinking Normal operation
Gauntlet: Dark Legacy55 Chapter 5 Wiring VEGAS SOUND I/O ASSEMBLY DIP-SWITCH SETTINGS Service technicians may change DIP-switches with AC power on. “*” indicates factory defaults. DC POWER SOURCE VOLTAGE LIMITS DIP Switch U13 SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 Display Comments on VT100No Ye sOff* On Diagnostic Code Source Hard Disk Drive EPROM Off* On Not Used Off* On Not Used Off* On Not UsedOff* On Not UsedOff* On Not UsedOff* On Not UsedOff* On DIP Switch U12SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 Monitor resolution Standard MediumOff On* Monitor Style Video Game VGAOff* On Joystick Type 8-Way 49-WayOff On* Switch Condition Normally Closed Normally OpenOff On* Vegas Sound I/O Board VersionRevisions 1 to 5 Revisions 6+Off* On Not UsedOff* On Not UsedOff* On Not UsedOff* On Function Range Limits Color Function Range Limits Color Digital Circuits +4.90 to +5.10V Red Coin Lights -4.75V to -5.25V Yellow Audio, Lights +11.5V to +12.5V Orange Auxiliary Power -11.5V to -12.5V Blue
56Midway Games West Inc. Chapter 5 Wiring NOTES - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
CHAPTER Gauntlet: Dark Legacy57 Troubleshooting WARNING: Do not remove or install any connector when power is turned on. Doing so will damage the CPU Board Assembly or the hard disk drive and void the warranty.
58Midway Games West Inc. Chapter 6 Troubleshooting Game Does Not Start Symptom Problem Suggested Solution • Machine appears non- functional No audio No IlluminationLack of electricity 1. Check that Power Switch has been turned on 2. Verify that line cord is plugged fully into receptacle and into power supply. 3. Try another power outlet. No video display Wrong voltage 1. Ensure power supply line voltage switch matches local line voltage. 2. Using voltage meter, correctly adjust +5V output on power supply using adjustment knob. Faulty line cord 1. Test line cord, power plug, and IEC connector for breaks or damage. Replace if necessary. 2. Verify continuity of each wire in cord. Poor connection 1. Ensure cabinet wiring harness connectors are fully seated in corresponding power supply and board connectors. 2. Inspect wiring for breaks or damage. Machine appears non- functional. Currency acceptor price indicator is illuminatedCPU Board Assem- bly not operational1. Inspect board assemblies under low light level condi- tions. A glow will be seen from the Light Emitting Diodes if there is voltage in the processor circuits. This does not mean that voltages or signals are as they should be, but it indicates that boards are receiving some DC power from power supply. The power supply fan should also be operating. 2. Turn AC power off. Inspect board assemblies. Ensure JAMMA wire harness connector is attached and fully seated onto mating board connector. Check other wiring harness connectors in same way. 3. Verify game switches and jumpers are set correctly. Refer to Board Configuration Chart for variables and default settings. Power supply out of voltage tolerance.1. Turn AC power on. Using 20V DC setting on digital volt- meter, measure voltages at power connector pins. Adjust +5V source if necessary. Refer to Cabinet Wiring Dia- gram for specific wiring information and voltage limits. 2. Using 2V AC setting on digital voltmeter, measure same DC voltages as above. A reading indicates that supply voltages are unstable and may contain ripple or noise.
Gauntlet: Dark Legacy59 Chapter 6 Troubleshooting Game cannot be played Symptom Problem Suggested Solution Game does not accept currency or tokens. Game does not start. Audio present Video presentBlocked coin path. 1. Unlock and open cash door. Empty cash box and inspect revenue for counterfeit currency. 2. Remove items that block path from coin mechanism. 3. Ensure proper mounting of each mechanism. Clear cur- rency path. Reinstall and latch mechanism. Poor leveling Verify mechanisms are level when doors are closed. Repair or replace bent or damaged coin door. Adjust cabinet leg levelers to keep mechanisms vertical. Incorrect software setting1. Enter Menu System by pressing TEST MODE switch. From SELF TEST menu, choose COIN OPTIONS. Con- firm pricing and setup of each mechanism. 2. Choose CONTROL TESTS to check operation of each coin or bill mechanism. Game accepts currency or tokens. Game does not start. Audio present Video present.1. Ensure proper mounting of each mechanism. Verify each release latch is closed and locked. Test acceptance and rejection functions with known good and bad coins. 2. Ensure no loose parts or wires are caught in hinges, latches, or switch contacts. 3. Inspect illumination of external coin door indicators (i.e., pricing, flashing arrows). Check wiring continuity of connectors and cables from CPU Board to coin mechs. 4. Enter Menu System by pressing TEST MODE switch. From SELF TEST menu, choose COIN OPTIONS. Use tests to confirm pricing and setup of each mechanism. 5. Check for continuity in each suspect switch connection (Common to Normally Open or Common to Normally Closed) Replace faulty switches (bent levers, broken actuators, etc.) 6. Place coin mechs in known good unit to verify operation. Bill validator fails after field installation. Coin mechanisms oper- ate properly.1. Enter Menu System by pressing TEST MODE switch. From SELF TEST menu, choose COIN OPTIONS. Con- firm pricing and setup of each mechanism. Check valida- tor switch settings against manufacturer’s instructions. 2. Check illumination of external coin door indicators (i.e., pricing, flashing arrows). Free parts or wires caught in hinges, latches, or switch contacts. Verify seating of har- ness connectors. Check validator cable continuity. 3. Place bill validator in known good unit to verify opera- tion. Coin indicators do not light. Game operates normally.Bad fuse. Check coin light fuse and wiring harness. Replace bad fuse.
60Midway Games West Inc. Chapter 6 Troubleshooting Audio Problems Symptom Problem Suggested Solution Audio non-functional. Video present. Game operates normally.Volume set too low 1. Press TEST MODE switch to enter Menu System. From SELECT TEST menu, choose ADJUST VOLUME. Ver- ify that attract and game volume levels are not set to zero. Change to appropriate levels. 2. Return to previous menu and choose SOUND TESTS. Verify operation of each speaker. Faulty hardware Turn off AC power. Remove grills and inspect speakers. Ensure no loose parts or wires are caught in speaker cones, terminals, mounting screws, or stuck to magnets. Poor voltage 1. Turn AC power on. Using 20 V DC setting on digital voltmeter, measure voltages at power connector pins. Verify +5V, -5V, and +12V sources. Refer to Cabinet Wiring Diagram for specific wiring information and volt- age limits. 2. Using 2 volt AC setting on digital voltmeter, measure voltages at speaker terminals. Any reading here indicates supply voltages are unstable and may contain ripple or noise. 3. Place speaker in good machine to verify operation. Audio muffled, dis- torted, or missing fre- quencies. Constant, low hum.Faulty speaker 1. Press TEST MODE switch to enter Menu System. From SELECT TEST menu, choose SOUND TESTS. These verify some audio functions. 2. Using 2 volt AC setting on digital voltmeter, measure voltages at speaker terminals. Any reading here indicates supply voltages are unstable and may contain ripple or noise. 3. Place speaker in good machine to verify operation. Wrong speaker Turn AC power off. Remove grills and inspect speakers. Ensure each coaxial speaker is full range (100 to 10,000 Hz response) and rated for at least 10 watts. Faulty wiring 1. Check cabinet wiring is correct for game. 2. Verify all cabinet wiring provides separate wires (not a common return) for each speaker. 3. Ensure all ground wires are connected. Refer to Cabinet Wiring Diagram for specific wiring information. Weak, low frequencies. Thin or hollow sound qualityIncorrectly phased speakersInspect speaker wiring and reverse back to correct position. See Cabinet Wiring Diagram. Monaural audio Faulty wiring Verify cabinet wiring is correct. Check for shorted wires. Refer to Cabinet Wiring Diagram.
Gauntlet: Dark Legacy61 Chapter 6 Troubleshooting Video Problems Symptom Problem Suggested Solution Monitor appears non- functional. Audio present Controls operate nor- mally.Poor signal 1. Verify AC power is connected to video monitor. 2. Inspect neck of CRT under low light level conditions. If there is voltage in filament circuits, you will see a glow near the CRT base. This indicates monitor circuits are receiving power, not that voltages or signals are proper. 3. Turn AC power off. Verify video signal and remote adjustment board connectors are fully seated on video monitor board assembly. Check other monitor connec- tions in the same way. 4. Examine AC line fuse on video monitor. If faulty, replace with fuse of proper voltage and current rating. 5. Ensure no loose parts or wires are caught on chassis or mounting brackets. Bad settings Ensure brightness and contrast are not at minimum levels. Power-up self test runs. Game does not appear. No audio.Error message Record error messages. Press TEST switch to enter menu system. From SELECT TESTS menu, choose DISK TESTS. These tests verify hard disk drive functions. Faulty hard disk drive1. Turn off AC power. Unlock and open front door. Ensure hard disk cable connector is fully seated on CPU Board. Ensure all hard drive mounting screws are installed. 2. Ensure hard disk, ROM set and CPU Board Assembly are correct part for game. Each component is labeled with the assembly number and software or hardware version. Poor voltage 1. Turn AC power on. Use 20V DC setting on digital volt- meter to measure voltages at power connector pins. Ver- ify +5V source. 2. Using 2V AC setting on digital voltmeter, measure same DC voltages as above. A reading indicates that supply voltages are unstable and may contain ripple or noise. 3. Compare LED states with indicator charts. Monitor fails to lock onto signal and provide stable picture. Colors missing, etc.Poor sync 1. Check connectors and cables for wiring continuity from CPU Board Assembly to monitor. 2. Verify jumpers are set correctly for monitor. 3. Ensure monitor is correct for game. Incorrect resolution results in horizontal tearing or complete loss of sync. 4. Place monitor in working machine to verify operation. Game operates normally. Picture wavers or rolls, has dark bars, uneven colors, etc.Faulty wiring 1. Check connectors and cables for wiring continuity from CPU Board Assembly to monitor. 2. Ensure all cabinet ground wires are connected, especially at monitor chassis. 3. Place monitor in good machine to verify operation. Interference from other equipmentMove cabinet away from machines, appliances, other games, etc. Very strong electrical or magnetic fields are emitted from some equipment when operating normally. WARNING: Do not operate monitor without Remote Adjustment Board.