S*TJ DECEMBER 1981 19
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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
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" Cocktail Table Static PCB • Early Warning
(Field Maintenance Tips) • Rowe/AMI 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
Phonos to Contemporary Prices • Midway "Pac-
Man" Joystick Modification • Signature Analysis
(Part 1) • Atari "Missile Command" Diagnostic Tests
• Rowe Bill Changer Modifications • Gottlieb Coil
Chart
JUNE '81
"Repair of Rock·Ola Dollar Bill Programmers" •
Midway "Galaxian", "Pac-Man" Substitute +5VDC
Power Transistor • Centuri "Phoenix Modifications
• Midway "Garf" 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 PowerSemiconductorCatalogs
JULY '81
Atari "Asteroids Deluxe" Program Change Kit • Stern
"Berzerk" Joystick Adjustment • Rowe 44 7 Product
Price Upgrading • Stern "Scramble" Power Supply
Modification • Germlin "Astra Blaster" Audio Modifi-
cation • Wiring Diagram for Wico Manual/Remote
Volume Control • Gottlieb Reset Modification •
Taito "Crazy Climber" Joysticks • Signature Analysis
(Part 3) • Williams "Defender'' System Summary •
Midway "Pac-Man", "Rally-X" & "Garf" 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 "Garf" Mission Self Test • Updating Older
"SHP" Seeburg 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 II" Clamping Diode • Game-A-Tron
"Space Bugger" CPU Modification • Bally "Fireball
11" Fuse Modification • Early Warnings No. 3 •
Signature Analysis (Part 4) • Exidy Service Notes •
Gottlieb Display Problems• Baily's Tech Quiz Part 1
• Midway "Pac-Man" & "Rally-X" Brightness Adjust-
ment• Atari "Asteroid Deluxe" New Program Feature
• Centuri "Phoenix" Upright Modification
_________________
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SEPTEMBER '81
Midway General Illumination • Bally 7 Digit MPU
Modification • "Hot" Centuri Service Tip • Midway
"Wizard of War" 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)
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*TJ Reader Survey• Bally Rectifier
Board Fuse Change • Atari "Centipede" - Potential
Shock Hazard • Stern "Super Cobra" Pwr Supply
Mod • Stern "Super Cobra" Logic System ID •
Seeburg Price-Setting Instructions (Part 2)
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 War" and "Pac-Man" Display Glass •
Gremlin/Sega "Space Fury" Color (G·80) X·Y System
Redesign • Interfacing Dynamic 4027 Rams to the
Z80 • Taito "Moon Shuttle" Program Change •
Baily's Tech Quiz (Part 4)
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