EM Repair

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Note: This page is a work in progress. Please help get it to a completed state by adding any useful information to it.


1 Introduction

Put system info here

2 Safety

3 Games

Bally: Gottlieb: Williams:

4 Technical Info

4.1 Start-up Sequences

4.2 Schematics

5 Problems and Fixes

5.1 Coils

5.2 Relays

5.3 Stepper Units

5.4 Score Reels

5.5 Drop Targets

5.6 Power Supply Issues

6 Test Procedures

6.1 Testing with a Jumper Wire

6.2 Testing with a Test Light

7 Game Specific Problems and Fixes

Example would be servo controller on Independence Day pinball

8 Repair Logs

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