Star Tech Journal

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THE TECHNICAL MONTHLY FOR THE AMUSEMENTS INDUSTRY
P.O. BOX 1065, MERCHANTVILLE, NEW JERSEY 08109
PHONE: (609) 662-3432
VOLUME 3 INDEX
(March 1981-February 1982)
(#) INDICATES ISSUE NUMBER
ATARI
Atari "Battlezone" Control Handle Mod # 1
Atari "Missile Command" Power Interrupt Mod # 1
Atari "Battlezone" Random Score Problem # 1
Atari "Battlezone" AUX PCB Mod # 1
Atari "Asteroids" Switch Maintenance # 1
HVL Circuits - Atari "Missile Command" Color
Monitors #2
Atari "Missile Command" Diagnostic Tests #3
Atari "Asteroids Deluxe" Program Change Kit #5
Atari "Asteroids" Troubleshooting Tips #5
Atari Service Notes ("Centipede", "Battlezone",
"War Lords"," Asteroid Deluxe", "Asteroids") #6
Atari "Asteroid Deluxe" New Program Feature #6
Atari "Centipede" - Potential Shock Hazard #8
Atari "Centipede" Track-Ball Mod #9
Atari "Tempest" Service Documentation #9
New System Preview/Atari "Tempest" #10
Atari "The Book" Reviewed # 11
Atari "Earom" Replacement Notes (High Score
Memory) #11
Atari Start Bezel Change # 12
Atari "Tempest" Program Bug# 12
BALLY
Loss of All Coils on Bally Pins #5
Bally MPU Screen Error #6
Lost and Found Bally Flippers #6
Bally "Fireball II" Clamping Diode'-#6
Bally "Fireball II" Fuse Modification #6
Baily's Tech Quiz (Part 1) #6
Bally 7 Digit MPU Modification #7
Baily's Tech Quiz (Part 2) #7
Bally Recitifier Board Fuse Change #8
Baily's Tech Quiz (Part 3) #8
Bally "Centaur" Service Notes #9
Baily's Tech Quiz (Part 4) #9
Bally Fuse Changes on New Rectifier PCB # 10
Baily's Tech Quiz (Part 4) Answers # 10
Bally Burnt Connector Solution # 10
Bally "Eight Ball Deluxe" Bridge Rectifiers # 12
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CENTURI
Centuri "Phoenix" Options #3
Centuri "Phoenix" Modifications #4
Centuri "Phoenix" Upright Modifications #6
"Hot" Centuri Service Tip #7
Centuri ''Phoenix" Credit Mod #8
Centuri/ Allied Leisure "Clay Champ" Xenon Tube
Notes #10
CINEMATRONICS
Cinematronics "Star Castle" V3 ROMS # 1
Cinematronics Symptoms and Solutions # 12
EXIDY
Exidy "Spectar" Program Update Mod (llA-1 to
l lA-2) #2
Exidy Color Board Ribbon Cables #3
Exidy Service Notes #6
Exidy "Targ" and "Spectar" Audio Amps #7
Exidy "Venture" Program Change #7
Exidy "Venture" Audio Diagnostic Test #8
Exidy "Venture" Joystick #9
Exidy Monitor Adjustment Procedure # 10
Checking Voltages on Exidy "Venture" # 10
Exidy "Mousetrap" Special Device Notes #10
Exidy "Targ" Joystick Suggestions # 11
Exidy "Venture" Audio/Color Board
Modifications # 11
New System Preview/Exidy "Mousetrap" #12
GOTTLIEB
Gottlieb New System 80 Service Manual # 1
Gottlieb
Gottlieb
Gottlieb
Gottlieb
Gottlieb
Gottlieb
Gottlieb
Gottlieb
Gottlieb
Auxiliary Lamp Driver Board # 1
Coil Chart # 3
Reset Modification # 5
Display Problems #6
System 80 Sound/Speech Board #7
System 80 Prom List # 10
"Volcano" Coil Change # 11
"Black Hole" Modifications # 11
Pop Bumper Scoring Switch # 12
GREMLIN/SEGA
Gremlin/Sega "Astro Blaster" Audio Modification
#5
Gremlin/Sega "Space Fury" Cabinet Notes #7
Gremlin/Sega "Space Fury" Color(G-80) X-Y System
Redesign #9
Gremlin/Sega G-80 Power Supply #10
Gremlin/Sega Coin Switch Installation (Replacing the
Photo Coin Calculator) # 11
Gremlin/Sega's Digital Tech Test (Part 1) # 11
Gremlin/Sega "Frogger" Audio Mod #12
Gremlin/Sega's Digital Tech Test (Part 2) # 12
MID-WAY
Midway "Galaxian" Substitute +5V Regulator #1
Midway "Pac-Man" Ram/Rom Location Code # 1
Midway "Pac-Man" Degree of Difficulty Mod # 1
Midway "Rally-X" Test Mode #2
Midway "Rally-X" Monitor Fuse Rating #2
Midway "Pac-Man" Cocktail Table Static PCB #2
Midway "Rally-X" Static PCB #3
Midway "Pac-Man" Joystick Modifications #3
Midway "Galaxian", "Pac-Man", Substitute +5VDC
Power Transistor #4
Midway "Gorf' Program Change #4
Midway "Pac-Man", "Rally-X", & "Gorf'
Anti-Static Cleaner Application #5
Midway "Gorf' Mission Self Test #6
Midway "Rally-X" Ram Test Message Code #6
Midway "Pac-Man" & "Rally-X" Brightness
Adjustment #6
Midway General Illumination #7
Midway "Wizard of Wor" Maze Test #7
Midway Card Rack System Compatibility #7
Midway "Omega Race" Features #7
Midway "Omega Race" Troubleshooting Guide #8
Midway "Pac-Man", "Rally-X", and "Galaxian"
Coin Door Mod #9
Midway "Omega Race" DIP Switch Setting #9
Midway "Omega Race", "Wizard of Wor", and
"Pac-Man" Display Glass #9
Midway "Pac-Man"; New Program Available #10
Midway "Omega Race" Encoder Substitution # 10
Midway "Omega Race" Ram/Rom Checklist # 10
Midway "Galaga" IC Replacement # 11
Midway "Omega Race" Power Supply Info # 11
Midway "Kick" Service Notes #12
Midway "Galaga" Z80-A CPU # 12
Midway's X-Y Monitor Troubleshooting Guide
(Part 1) #12
NINTENDO
Nintendo "Donkey Kong" Service Notes # 12
ROCK-OLA
Repair of Rock-Ola Dollar Bill Programmers # 1
Wiring Diagram for WICO Manual/Remote Volume
Control #5
Rock-Ola: Intermittent Problems and Solutions # 10
ROWE
Rowe/ AMI Turntable Maintenance Tips # 1
Rowe/ AMI Part Number Conversions #2
Updating Older Rowe/ AMI Phonos to Contemporary
Prices #3
Rowe Bill Changer Modifications #3
Rowe 447 Product Price Upgrading #5
Rowe "BC-25" Bill Changer Notes # 11
SEEBURG
Seeburg "SMC l", "SMC 2" Potential SPKR
Damage #2
Updating Older "SHP" Seeburg Amps #6
See burg Price-Setting Instructions (Part 1) #7
Seeburg Price-Setting Instructions (Part 2) #8
Seeburg Price-Setting Instructions (Part 3) #9
STERN
GAME-A-TRON
Stern "Berzerk" Service Notes # 1
Game-A-Tron "Space Bugger" CPU Modification #6
Stern "Berzerk" Credit Accumulation Checklist #4
Stern "Berzerk" Joystick Mod Kit #4
Stem "Berzerk" Joystick Adjustment #5
Stem "Scramble" Power Supply Modification #5
Stern Joystick PCB Troubleshooting Tips #5
Stem "Scramble" Joystick Notes #6
Stern "Berzerk" Handle Assembly #7
Stern "Berzerk" Alternate Joystick #8
Stern "Super Cobra" PWR Supply Mod #8
Stern "Super Cobra" Garbled Sound Mod #9
Stern "Super Cobra" MPU Mod # 11
TAITO
Taito "Crazy Climber" Joystick #5
Taito "Moon Shuttle" Program Change #9
Taito "QIX" Service Notes # 10
Taito "Crazy Climber" Video Mod # 11
New System Preview/Taito "QIX" # 11
Taito "QIX" Game Freeze-Up Modification # 12
WILLIAMS
Williams General Illumination Mod #2
Williams C8363 Master Display Board Troubleshooting
Procedures #2
Williams Service Notes #3
Williams "Defender" System Summary #5
Williams "Black Knight" Service Notes #5
Williams "Defender" Notes #7
Williams "Defender" Ram Failure Due to Blown Fuse
#10
Williams "Make Trax" Coin Meter Installation # 11
Williams "Defender" CPU Schematic Errors # 11
Crow Bar Protection for Williams "Defender"
Rams #11
FEATURE ARTICLES
Microprocessor Troubleshooting (Part 3) # 1
"Big Computer" In One Chip #2
Early Warning # 1 (Field Maintenance Tips) # 2
Signature Analysis (Part 1) # 3
Early Warning #2 (Field Maintenance Tips) #4
Signature Analysis (Part 2) #4
Suggested Game Improvements #4
Color to B&W Converter CKT #4
Texas Instruments Power Semiconductor Catalogs #4
Signature Analysis (Part 3) #5
Early Warning #3 (Field Maintenance Tips) #6
Baily's Tech Quiz (Part 1) #6
Signatuc.e Analysis (Part 4) #6
Modification of One Coin-One Play Machine Into
Two Coins-One Play Machine #7
Baily's Tech Quiz (Part 2) #7
WICO Joystick Report #7
Baily's Tech Quiz (Part 3) #8
2nd Annual Star*Tech Journal Reader Survey #8
Coin co Door Notes # 8
Interfacing Dynamic 4027 Rams to the Z80 #9
Baily's Tech Quiz (Part 4) #9
AMOA Expo '81/New Game Standouts# 10
Two Coin/One Play Circuit Redesign # 10
New System Preview/ Atari "Tempest" # 10
Monitor "Jiggle"/ Audio Interference # 11
Adjusting the Matsushita Monitor # 11
Wells-Gardner Monitor "Blooming" Mod # 11
Gremlin/Sega's Digital Tech Test (Part 1) # 11
New System Preview/Taito "QIX" # 11
Midway's X-Y Monitor Troubleshooting Guide
(Part 1) #12
Industry Technical Schools # 12
Service Notes/Bill Changers, Rejectors, and
Coin Doors # 12
Gremlin/Sega's Digital Tech Test (Part 2) # 12
New System Preview/Exidy "Mousetrap" #12
CUSTOMER SERVICE NUMBERS
ATARI 800-538-1611
BALLY 800-323-3555
CENTURI 800-327-7710
CINEMATRONICS 800-854-2666
EXIDY 800-538-8402
GAME-A-TRON 203-223-2760
GOTTLIEB 800-323-9121
GREMLIN/SEGA 800-854-1098
MIDWAY 800-323-7182
NINTENDO 800-426-4612
ROCK-OLA 800-621-4618
ROWE 800-631-8084
SEEBURG 800-621-6424
STERN 800-621-6424
TAIYO 800-323-0666
WILLIAMS 800-621-1 2 5 3