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Nidek Medical YC-1800 User Manual

Nidek Medical YC-1800
86 pages
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NIDEK
OPHTHALMIC YAG LASER SYSTEM
Model YC-1800
SERVICE MANUAL
XYC16*RDA001A/E
Total pages: 86
2005.9
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Nidek Medical YC-1800 Specifications

General IconGeneral
Laser SourceNd:YAG
Wavelength1064 nm
Pulse Duration4 ns
TypeYAG Laser
Energy0.3 to 10 mJ
Burst Mode1, 2, or 3 pulses
Aiming Beam635 nm red diode laser
Power SupplyAC 100 to 240 V, 50/60 Hz
Magnification10x

Summary

§1 INTRODUCTION

§2 CAUTIONS

2.1 General

General safety and servicing guidelines for the YC-1800.

2.2 During Service

Precautions and procedures to follow during maintenance operations.

2.3 During Laser Emission

Safety precautions specific to laser beam emission.

2.4 Handling the Laser Head

Guidelines for safely handling and returning the laser head for repair.

2.5 Adjustment

Precautions and guidelines for adjusting the YC-1800 system.

2.6 Using the Energy Meter for the YAG laser

Instructions for using the energy meter with the YAG laser system.

§3 TROUBLESHOOTING

§4 SUB TROUBLESHOOTING

4.1 Pilot Lamp Issues

Troubleshooting steps for when the pilot lamp fails to illuminate.

4.2 Lamp Specific Issues

Diagnostic steps for fixation or backlight panel lamp failures.

4.4 Error Display Troubleshooting

General troubleshooting for error messages displayed on the system.

4.5 Illumination Light Issues

Resolving problems with the illumination light projection.

4.6 Focusing Rod Movement

Adjusting microscope optical axis when PD changes cause rod movement.

4.11 Base Movement Issues

Diagnosing and fixing smooth movement issues with the base.

4.13 Aiming Beam Emission

Troubleshooting steps for when the aiming beam fails to emit.

4.14 READY Indicator Status

Steps to take when the READY indicator is not illuminated.

4.19 Energy Output Abnormalities

Resolving abnormal YAG laser energy output measurements.

4.20 Emergency Stop Functionality

Troubleshooting the emergency stop switch functionality.

§5 COVER REMOVEMENT

5.1 Right and Left Covers

Instructions for removing the right and left external covers.

5.2 Base Cover A

Steps to remove the base cover A.

5.3 Lower Cover

Procedure for removing the lower cover.

5.4 Vertical Movement Cover

Steps to remove the vertical movement cover.

5.5 Base Cover C

Detailed steps for removing base cover C and related components.

5.6 Removing the Arm Covers

Instructions for removing the arm covers from the system.

§6 PARTS REPLACEMENT

6.1 Boards

Procedures for replacing various circuit boards.

6.2 Cable Assemblies

Instructions for replacing different cable assemblies.

6.11 Display Panel Assy.

Procedure for replacing the display panel assembly.

6.12 Microscope

Steps for replacing the microscope unit.

6.20 Lamp House

Steps for replacing the lamp house.

6.21 MYLA Laser Head

Procedure for replacing the MYLA laser head.

6.23 Rack

Procedure for replacing the racks.

§7 ADJUSTMENT

7.1 Microscope Optical Axis

Procedures for aligning the microscope's optical axis.

7.2 Illumination Rotation Center

Steps to adjust the illumination rotation center for proper alignment.

7.3 Aiming Spots

Procedures for adjusting the aiming spots for accuracy.

7.4 YAG Laser Optical Axis

Procedures for aligning the YAG laser optical axis.

7.4.4 Focus adjustment

Detailed steps for adjusting the focus of the YAG laser beam.

7.5 Electric Adjustments

Procedures for performing electrical adjustments on the system.

7.5.2 Master board initial setting

Performing the initial setup and configuration of the master board.

7.5.3 Aiming beam power output

Adjusting the power output of the aiming beam.

7.5.5 PFN voltage

Adjusting and verifying the PFN voltage settings.

7.6 YAG Laser Beam Energy Output

Procedures for measuring and setting YAG laser beam energy output.

7.6.2 Minimum energy output

Steps to achieve the minimum YAG laser beam energy output.

7.6.3 Energy Output Display

Procedures for displaying and setting energy output values.

7.7 Energy Output Check

Performing checks on the YAG laser beam energy output.

7.9 Parameter Setting

Steps for setting various system parameters.

7.12 Vertical Movement Base

Adjusting the vertical movement base for smooth operation.

7.13 Smart Switch Adjustment

Adjusting parameters related to the smart switch function.

§8 INFORMATION

8.1 Wiring Diagram

Electrical wiring schematic of the system.

8.2 Connector Cable

Details of connector cables and their pin assignments.

8.4 Error Message Table

Table listing error codes, symptoms, and causes.

8.5 Dip Switch Setting Table

Table detailing the function of dip switch settings.

8.6 Parameter Setting Tables

Tables defining system parameters and their settings.

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