CONTENTS
Chapter 1: Working Principle ......................................................................................................... 1
1.1 Introduction ........................................................................................................................ 1
1.2 Structure.............................................................................................................................. 2
Chapter 2: Removal and Installation of Instrument ....................................................................... 3
2.1 Removal......................................................................................................................... 3
2.2 Main parts illustration ................................................................................................... 5
2.3 Circuit Connections (OS20-Pro&OS40-Pro) ................................................................... 6
2.4 Replacement of drive board.......................................................................................... 7
2.5 Replacement of Control Modules ................................................................................. 7
2.6 Replacement of Movement .......................................................................................... 8
2.7 Replacement of Photosensor ........................................................................................ 8
Chapter 3: trouble shooting ........................................................................................................... 9
Chapter 4: Test method ..................................................................................................................... 9
4.1 Check photosensor Module .......................................................................................... 9