Alvin G. Repair Guide

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1 Introduction

2 Games

Title Date of Release Model # Notes
A.G. Soccer-Ball 10-1991 Head to Head Pinball
A.G. Football 10-1992 Head to Head Pinball
Al's Garage Band Goes On A World Tour 12-1992
Mystery Castle 09-1993
Punchy The Clown 09-1993
Pistol Poker 11-1993

3 Technical Info

4 Problems and Solutions

4.1 Power Problems

4.2 MPU boot issues

4.2.1 Relocating the battery from the MPU board

4.2.2 Repairing Alkaline Corrosion

4.2.3 Connecting a logic probe to the MPU

4.2.4 Using a PC Power Supply For Bench Testing

4.3 Game resets

4.4 Solenoid problems

4.5 Lamp problems

4.6 Switch problems

4.7 Display problems

4.8 Sound problems

4.9 Flipper problems

4.10 Pop bumper problems

5 Repair Logs

Did you do a repair? Log it here as a possible solution for others.