American Pinball Repair Guides

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

Manufacturer's website: https://www.american-pinball.com/

2 Games

• Houdini
• Oktoberfest

3 Technical Info

3.1 Boards

The "Add On Board" (PCB0021-01) controls the Start Button LED (12 volts), Shaker Motor (12 volts), and Knocker Coil (48 volts).

American Pinball uses the MultiMorphic board sets.

• P3-ROC CPU (PCB0002-00)
• SW-16 board
• PD-16 board (PCB0004-00)
• PD-LED2 board (PCB0008-00)

3.3 Displays

Main monitor in backbox is 15.6" Monitor Assembly # MASM0026-00. The Stage Monitor is 4.3" screen size.

3.4 Speakers

Houdini uses the following speakers:

• (2) midbass 4" backbox speakers # ELE005-00
• (2) midbass 3" backbox speakers # ELE004-00
• (2) tweeters 2" backbox speakers # ELE0003-00

3.5 Flippers

Houdini uses Williams WPC style flipper assemblies.

4 Problems and Solutions

4.6 Sound Problems

Houdini uses a Lepy model LP-168S or Lepai LP-168HA (sold by Parts Express) super bass power amplifier. Specs are 2 X 40 watt amplifier and 1 X 68 watt subwoofer output. Owner's manual for the LP-168HA is located here: https://lepaiaudio.com/docs/manuals/310-308--lp-168ha-manual.pdf

The Lepy 168S is a knockoff (counterfeit) of the Lepai LP-168HA:

https://lepaiaudio.com/counterfeit/

5 Optional Equipment

These are some of the optional accessory equipment available for American Pinball machines.

• Shaker Motor Kit # KIT0001-00 (plugs into "Add On Board" )
• Knocker Kit # KIT0002-00 (adds a real knocker, plugs into "Add On Board" )
• Add On Driver Board # PCB0021-01 (allows connection of accessory items such as shaker motor and knocker)
• End Of Stroke Switch Kit # KIT0004-00 (for Houdini flippers, corrects flipper problems)
• Houdini Power Supply Upgrade # MASM0132-00 (Houdini only, operates coils better than original power supply)