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Repairing Electro-Mechanical (EM)
Pinball & Coin Operated Games to 1978

All text and pictures copyright by cfh@provide.net (Clay Harrell)
Copyright, all rights reserved.

Scope.
This document is a repair guide for Electro-Mechanical (EM) coin opertated games made up to about 1978. This includes pinball games, pitch and bats (baseballs), bowlers, gun games, etc. Though pinball is stressed the most in this document, this information applies to most EM arcade games made from the 1930s to 1978. Electro-Mechanical (EM) means the game uses relays and switches, and does not use a computer CPU. This document is geared towards complete beginners. No experience is assumed, though basic electrical knowledge is helpful. The document should be read "top down" and in its entirety. (Well at least up to, but not necessarily including, part 4.)

Updates of this document are available at http://www.pinrepair.com if you have Internet access. This document is three parts - part one is here, part two is here, part three is here.

For parts, schematics, and repair sources please see the parts and repair sources web page.

Table of Contents



* Go to the EM Pinball Repair Guide Part 1
* Go to the EM Pinball Repair Guide Part 2
* Go to the EM Pinball Repair Guide Part 3
* Go to the Pin Fix-It Index at PinRepair.com