Star Tech Journal

S• TJ FEBRUARY 198219
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A table of contents from Volume 3 is listed below. If you've
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MARCH '81
Midway "Galaxian" Substitute + 5v Regulator • Atari
"Battlezone" Control Handle Mod • Gottlieb New
System 80 Service Manual • Midway " Pac·Man"
Ram / Rom Location Code • Atari "Missile Command"
Power Interrupt Mod • Atari " Battlezone" Random
Score Problem • Gottlieb Auxiliary Lamp Driver
Board • Microprocessor Troubleshooting (Part 3) •
Midway " Pac-Man" Degree of Difficulty Mod • Atari
"Battlezone" Aux PCB Mod • Stern " Berzerk" Service
Notes • Cinematronics "Star Castle" V3 Roms •
Atari "Asteroids" Switch Maintenance • Rowe/AMI
Turntable Maintenance Tips
cation • Wiring Diagram tor Wico Manual/Remote
Volume Control • Gottlieb Reset Modification •
Taito " CrazyClimber'' Joysticks• Signature Analysis
(Part 3) • Williams " Defender'' System Summary •
Midway "Pac-Man", "Rally-X" & "Gori" Anti-Static
Cleaner Application • Williams "Black Knight" Service
Notes • Loss of All Coils on Bally Pins • Atari
"Asteroids" Troubleshooting Tips • Stern Joystick
PCB Troubleshooting Tips
AUGUST'81
Midway "Gori" Mission Self Test • Updating Older
"SHP" Seaburg Amps • Bally MPU Screening Error
• Lost and Found Bally Flippers • Midway "Rally-X"
Ram Test Message Code • Stern "Scramble" Joystick
Notes • Atari Service Notes ("Centipede", "Battle·
zone", "Warlords", "Asteroid Deluxe", "Asteroids") •
Bally "Fireball 11" Clamping Diode • Game-A-Tron
"Space Bugger'' CPU Modification • Bally "Fireball
II" Fuse Modification • Early Warnings No. 3 (Field
Maintenance Tips) • Signature Analysis (Part 4) •
Exidy Service Notes • Gottlieb Display Problems •
Baily's Tech Quiz Part 1 • Midway "Pac-Man" &
"Rally•X" Brightness Adjustment • Atari "Asteroid
Deluxe" New Program Feature • Centuri "Phoenix"
Upright Modification
APRIL '81
Midway"Rally-X" Test Mode • "Big Computer" in one
chip • Seeburg "SMC 1," "SMC 2" Potential SPKR
Damage • Williams General Illumination Mod •
Midway " Rally-X" Monitor Fuse Rating • Midway
" Pac-Man"Cocktai!Table Static PCB• Early Warning
(Field Maintenance Tips) • Rowe/ AMI Part Number
Conversions • Exidy "Spectar'' Program Update Mod
(11 A-1 to 11 A-2) • Williams C8363 Master Display
Board Troubleshooting Procedures • HVL Circuits-
Atari "Missile Command" Color Monitors
MAY'81
Williams Service Notes • Midway "Rally-X" Static
PCB • Centuri " Phoenix" Options • Exidy Color
Board Ribbon Cables • Updating Older Rowe/AMI
Phones to Contemporary Prices • Midway "Pac-
Man" Joystick Modification • Signature Analysis
(Part 1) • Atari "Missile Command" Diagnostic Tests
• Rowe Bill Changer Modifications • Gottlieb Coil
Chart
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JANUARY '82
Gremlin/Saga Coin Switch Installation (Replacing the
photo coin calculator) • Taito "Crazy Climber'' Video
Mod • Stern "Super Cobra" MPU Mod • Williams
"Make Trax" Coin Meter Installation • Williams
"Defender'' CPU Schematic Errors • Midway
"Galaga" IC Replacement • Gottlieb "Volcano" Coil
Change • Gottlieb "Black Hole" Modifications •
Crowbar Protection for Williams "Defender'' RAMS •
Exidy "Targ" Joystick Suggestion • New System
Preview/Taite "Qix" • Atari "The Book" Reviewed •
Adjusting the Matsushita Monitor • Midway "Omega
Race" Power Supply Information •Atari "Earom"
Replacement Notes(High Score Memory) • Gremlin/
Saga's Digital Tech Test (Part 1) • Rowe "BC·25" Bill
Changer Notes • Exidy"Venture" Audio/Color Board
Modifications• Monitor"Jiggle"/Audio Interference
• Wells-Gardner Monitor "Blooming" Mod •
OCTOBER '81
Midway "Omega Race" Troubleshooting Guide •
Centuri "Phoenix" Credit Mod • Stern "Berzerk"
Alternate Joystick • Exidy "Venture" Audio Diagnostic
Test• Bally'sTechQuiz(Part3) • CoincoDoorNotes
• 2nd Annual S* T J Reader Survey • Bally Rectifier
Board Fuse Change • Atari "Centipede" - Potential
Shock Hazard • Stern "Super Cobra" Pwr Supply
Mod • Stern "Super Cobra" Logic System ID •
Seaburg Price-Setting lnstr11ctions (Part 2)
JULY '81
Atari "Asteroids Deluxe" Program Change Kit • Stern
" Berzerk" Joystick Adjustment • Rowe 447 Product
Price Upgrading • Stern "Scramble" Power Supply
Modification • Gremlin "Astro Blaster'' Audio Modifi·
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DECEMBER '81
AMOA Expo '81/New Game Standouts • Segal
Gremlin G-80 Power Supply• Bally Fuse Changes on
New Rectifier PCB • Midway "Pac-Man"; New
Program Available• Midway"Omega Race" Encoder
Substitution
•
New System
Preview/Atari
"Tempest" • Two Coin/One Play Circuit Redesign •
Centuri/Allied Leisure "Clay Champ" Xenon Tube
Notes• Taito"Qix"Service Notes• Midway"Omega
Race" Rom/Ram Checklist • Rock-Ola: lntermittant
Problems and Solutions • Gottlieb System 80 Prom
List • Baily's Tech Quiz (Part 4) Answers • Williams
"Defender'' Ram Failure Due to Blown Fuse • Bally
Burnt Connector Solution • Exidy Monitor Adjust-
ment Procedure • Checking Voltages on Exidy
"Venture" • Exidy "Mousetrap" Special Device Notes
SEPTEMBER '81
Midway General Illumination • Bally 7 Digit MPU
Modification • "Hot" Centuri Service Tip • Midway
"Wizard of Wor'' Maze Test • Exidy "Targ" and
"Spectar'' Audio Amps • Baily's Tech Quiz (Part 2) •
Modification of One Coin-One Play Machine into Two
Coins·One Play Machine • Williams "Defender'' Notes
• Midway Card Rack System Compatibility • Stern
"Berzerk" Handle Assembly• Midway"Omega Race"
Features • Wico Joystick Report • Exidy "Venture"
Program Change • Gremlin "Space Fury" Cabinet
Notes • Gottlieb System 80 Sound/Speech Board •
Seeburg Price-Setting Instructions (Part 1)
JUNE '81
"Repair of Rock-Ola Dollar Bill Programmers" •
Midway "Galaxian", "Pac-Man" Substitute +5VDC
Power Transistor • Centuri "Phoenix" Modifications
• Midway "Gori" Program Change • Early Warning
# 2 (Field Maintenance Tips) • Signature Analysis
(Part 2) • Stern "Berzerk" Credit Accumulation Check-
list • Stern "Berzerk" Joystick Mod Kit • Suggested
Game Improvements • Color to B&W Converter CKT
• Texas Instruments Power Semiconductor Catalogs
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NOVEMBER '81
Atari "Centipede" Track-Ball Mod • Bally "Centaur''
Service Notes • Exidy "Venture" Joystick • Atari
"Tempest" Service Documentation • Midway "Pac·
Man", " Rally-X'' and "Galaxian" Coin Door Mod •
Stern "Super Cobra" Garbled Sound Mod • Seeburg
Price-Setting Instructions (Part 3) • Midway "Omega
Race" Dip Switch Setting • Midway "Omega Race",
"Wizard of Wor'' and "Pac-Man" Display Glass •
Gremlin/Saga "Space Fury'' Color (G-80) X·Y System
Redesign • Interfacing Dynamic 4027 Rams to the
zao • Taito "Moon Shuttle" Program Change •
Baily's Tech Quiz (Part 4)
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