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

2 Games

Houdini
Oktoberfest

2.1 Machine Pictures

3 Technical Info

3.1 Boards

3.2 Power Supplies

3.3 Displays

3.4 Speakers

3.5 Flippers

Houdini uses Williams WPC style flipper assemblies.

3.6 Cabinet Parts

4 Problems and Solutions

4.1 Power Supplies

4.2 Solenoid Problems

4.3 Switch Problems

4.4 Lamp Problems

4.4.1 General Illumination Problems

4.4.2 Controlled Lamp Problems

4.5 Display Problems

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/

4.7 Flipper Problems

4.8 Pop Bumper Problems

5 Optional Equipment

6 Game Specific Problems and Fixes

6.1 Service Bulletins