
Contents
Contents.................................................................................................................................................2
1. Introduction........................................................................................................................................4
2. Before Getting Started ........................................................................................................................5
2.1 Checking Software Versions......................................................................................................5
2.2 Setting-Up System Parameters...................................................................................................6
2.3 Using Engineer Mode................................................................................................................7
3. Confirmation Check Procedure ...........................................................................................................9
3.1 Purpose of Confirmation Check.................................................................................................9
3.2 Confirmation Check..................................................................................................................9
3.2.1 Checking the Initialization Sequence...............................................................................9
3.2.2 Post Aging Test Procedures for the Refractor Body........................................................10
3.2.3 Checking Procedures for the Operation Panel................................................................11
4. Disassembling procedure and Parts Description..............................................................................14
4.1 Removing the Covers..............................................................................................................14
4.2 Replacing the Circuit Board.....................................................................................................19
4.3 Description of Parts.................................................................................................................20
4.3.1 Disk Assembly –Patient’s Side.....................................................................................20
4.3.2 Disk Assembly –Examiner’s Side.................................................................................21
4.3.3 SUB1 GEAR 120 ASS’Y..............................................................................................22
4.3.4 SUB1 GEAR 120 DUAL ASS’Y...................................................................................23
4.3.5 HALL Sensor Ass’y......................................................................................................24
4.4 Replacement Procedure of Sensors ..........................................................................................25
4.5 Disassembling the Operation Panel..........................................................................................28
4.6 Removing the LCD Panel Cover of the Operation Panel...........................................................29
4.7 Replacing Printing Paper.........................................................................................................30
4.8 Disassembling the Junction Box ..............................................................................................31
4.9 Cleaning the Lenses in the Refractor Body...............................................................................32
5. Trouble shooting...............................................................................................................................34
5.1 Wiring Diagram and Board Description ...................................................................................34
5.1.1 Operation Panel............................................................................................................34
5.1.2 Refractor Body.............................................................................................................36
5.1.3 Junction Box.................................................................................................................39