6-9TAIKO Service ManualCHAPTER6© 2006 Japan Cash Machine Co.Ltd. All rights reserved.6-5. Replacement of Encoder Board/Motor UnitWhen replacing the Encoder Board and Motor Unit, follow the instructions below.1. Take out a (1) screw from the Center Guide B (Refer replacement procedure 6. of 6-4.Replacement of Sensor Board. Remove the motor Unit.2. Take out a (1) screw and a (1) Encoder Board from the Motor Unit.