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Nidek Medical YC-1600 User Manual

Nidek Medical YC-1600
111 pages
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NIDEK
OPHTHALMIC YAG LASER SYSTEM
Model YC-1600
SERVICE MANUAL
XYC14*RDA001E/E
Total pages: 105
2005. 3.3

Table of Contents

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Nidek Medical YC-1600 Specifications

General IconGeneral
BrandNidek Medical
ModelYC-1600
CategoryMeasuring Instruments
LanguageEnglish

Summary

Introduction to the YAG Laser System Service Manual

Before Using This Manual

Guidance on manual usage and understanding operator's manual.

Before Repairing the System

Precautions and steps to take before commencing repairs.

Handling and Repairing the Laser Head

Safety guidelines for handling and repairing the laser head unit.

Handling and Repairing Boards and Wiring

Safe procedures for handling and repairing internal boards and wiring.

Cautions for Safe Operation and Maintenance

Cautions in Laser Emission

Safety measures and warnings related to laser emission.

Handling of the Laser Head

Precautions for safe handling and repair of the laser head.

Boards for Repair Procedures

Specific instructions for handling replacement circuit boards.

Cautions in Checking Connectors

Guidelines for inspecting and verifying connector integrity.

Cautions in Disconnecting Cords

Procedure and safety notes for disconnecting electrical cords.

Cautions in Soldering Cords

Best practices and safety for soldering electrical cords.

Cautions Using Energy Meter for YAG Laser

Proper usage guidelines for the energy meter with the YAG laser.

Sub Troubleshooting Guide for YC-1600

Pilot Lamp Not Lighting

Troubleshooting steps for when the pilot lamp fails to illuminate.

Fixation and Control Panel Lights Out

Diagnosing issues when fixation and control panel lights are off.

Fixation Lamp Not Lighting

Troubleshooting steps for when only the fixation lamp is off.

Control Panel Backlight Not Lighting

Diagnosing issues when only the control panel backlight is off.

Error Display Appears

Procedure for addressing system errors indicated on the display.

Illumination Light Not Projected

Steps to take if the illumination light is not projected.

Focusing Rod Shifting During PD Adjustment

Resolving issues with focusing rod shifting when PD is adjusted.

Illumination Light Shift at 10x Magnification

Troubleshooting illumination light displacement at 10x magnification.

Focusing Rod Not Clear

Steps to resolve when the focusing rod is not clearly visible.

Spots in Illumination Light

Diagnosing and fixing spots present in the illumination light.

Illumination Light Not Focused on Rod

Procedure for correcting illumination focus on the focusing rod.

Illumination Light Position Abnormal

Addressing abnormal positioning of the illumination light.

Illumination Light Stays On

Troubleshooting when illumination light remains on with brightness control off.

Slit Image Tilts Vertically

Correcting slit image tilt when turned to vertical position.

Slit Closing/Opening Issues

Resolving problems with the slit not fully closing or opening.

Slit Closing Position Shift

Adjusting the slit closing position when it shifts from center.

Coarse Movement Not Smooth (Back/Forth)

Troubleshooting jerky coarse movement in the back and forth direction.

Coarse Movement Not Smooth (Right/Left)

Troubleshooting jerky coarse movement in the right and left direction.

Fine Movement Not Smooth

Addressing issues with smooth fine movement.

Vertical Movement Not Smooth

Resolving problems with smooth vertical movement.

Aiming Beam Not Emitted

Steps to take if the aiming beam is not emitted.

STATUS Indicator for READY Mode Not Lit

Diagnosing why the READY mode status indicator is off.

Burnt Pattern Position Mismatch

Correcting burnt pattern position to match aiming beam projection.

Unevenness in Burnt Pattern

Troubleshooting and fixing unevenness in the burnt pattern.

Pulse Setting Not Changeable

Resolving issues where pulse setting cannot be modified.

Counter Display Reset Failure

Troubleshooting the counter display's inability to reset to zero.

Measured YAG Laser Energy Abnormal

Addressing abnormal readings in measured YAG laser energy.

Emergency Stop Switch Failure

Diagnosing and fixing failures with the emergency stop switch.

Repair Procedures for the YC-1600

Removing Covers

Detailed procedures for removing various exterior covers of the YC-1600.

Check and Replacement of Fuses

Guide for inspecting and replacing internal fuses.

Voltage Check for Wall Outlet

Procedure for verifying the voltage supply from the wall outlet.

Replacement of Key Control Switch

Steps for replacing the main key control switch.

Replacement of the Pilot Lamp

Instructions for replacing the pilot indicator lamp.

Replacement of the Emergency Stop Switch

Procedure for replacing the emergency stop switch.

Replacement of the Fixation Lamp ASSY

Guide for replacing the fixation lamp assembly.

Replacement of the Switching Power Supply

Steps for replacing the internal switching power supply unit.

Replacement of the Master Board

Detailed instructions for replacing the main control board.

Replacement of the Focus ASSY

Procedure for replacing the focus assembly.

Replacement of the Display Board ASSY

Guide for replacing the display board assembly.

Replacement of the YAG Laser Unit

Detailed steps for replacing the YAG laser unit.

Replacement of the Energy Monitor ASSY

Instructions for replacing the energy monitor assembly.

Replacement of the Rack

Procedure for replacing the mechanical rack component.

Replacement of the Wheel Shaft

Steps for replacing the wheel shaft.

Replacement of the Plate

Guide for replacing specific plate components.

Replacement of the YAG Shutter ASSY

Procedure for replacing the YAG shutter assembly.

Replacement of the Aiming Shutter ASSY

Instructions for replacing the aiming shutter assembly.

Replacement of the YL Cable ASSY

Guide for replacing the YL cable assembly.

Replacement of the YL Power Supply Board

Steps for replacing the YL power supply board.

Replacement of the Illumination ASSY

Procedure for replacing the illumination assembly.

Replacement of the Vertical Driving Axle of the Chin Support

Instructions for replacing the chin support vertical driving axle.

Check and Adjustment Procedures

Microscope and Binocular Tube Adjustment

Procedures for adjusting the microscope and binocular tube alignment.

Illumination Part Adjustment

Procedures for adjusting and cleaning components of the illumination system.

Cleaning of the Optical System for Illumination

Guidance on cleaning the illumination system's optical components.

Cleaning of the Filters

Procedure for cleaning the optical filters.

Cleaning of the Slit

Steps for cleaning the illumination slit.

Adjustment of the Focus of Illumination

Method for adjusting the focus of the illumination light.

Illumination Focus Adjustment for Prism Head (No Tilting)

Focus adjustment for prism heads without tilting mechanism.

Illumination Focus Adjustment for Prism Head (Tilting)

Focus adjustment for prism heads with tilting mechanism.

Check of the Optical Axis of Illumination

Procedure to verify the illumination system's optical axis.

Adjustment of the Optical Axis of Illumination (Horizontal)

Steps to adjust the horizontal optical axis of the illumination.

Adjustment of the Optical Axis for Prism Head (Vertical)

Procedure for adjusting vertical optical axis of prism head.

Adjustment of the Optical Axis for Prism Head (Vertical) Cont.

Further steps for vertical prism head optical axis adjustment.

Adjustment of the Vertical Position of Slit

Procedure for adjusting the vertical slit position.

Adjustment of the Closing of Slit

Method for adjusting the slit's closing aperture.

Check and Adjustment of the Horizontal Slit Image

Verifying and adjusting the horizontal slit image.

Check and Adjustment of the Vertical Slit Image

Verifying and adjusting the vertical slit image.

Adjustment of the Slit Shutter Position (Horizontal)

Procedure for adjusting the horizontal slit shutter position.

Adjustment of the Slit Shutter Position (Vertical)

Method for adjusting the vertical slit shutter position.

Aiming Beam Adjustment

Procedures for adjusting the aiming beam's alignment, focus, and energy.

Fixing the Aiming Shutter Plate

Steps for securing the aiming shutter plate.

Check of the Sensor for Aiming Shutter

Procedure to verify the aiming shutter sensor functionality.

Adjustment of the Optical Axis of Aiming Beam

Aligning the optical axis of the aiming beam.

Focus Adjustment of the Aiming Beam

Steps for focusing the aiming beam.

Adjustment of the Optical Axis of Two-Point Aiming Beams

Aligning the optical axis for dual aiming beams.

Adjustment of the Aiming Energy

Procedure for setting the aiming beam's energy level.

Adjustment of the Maximum Energy

Setting the maximum output energy level for aiming.

Adjustment of the Minimum Energy

Setting the minimum output energy level for aiming.

YAG Laser Adjustment

Procedures for adjusting the YAG laser's shutter, voltage, and energy output.

Adjustment of the YAG Shutter

Steps for adjusting the YAG laser shutter.

Check of the Sensor for YAG Shutter

Procedure to verify the YAG shutter sensor.

Adjustment of PFN Voltage Values

Calibrating PFN voltage readings.

Adjustment of the PFN Voltage

Procedure for adjusting the PFN voltage output.

Adjustment of Mirror Holder 3 and YAG Laser Head Optical Axis

Aligning mirror holder 3 and the YAG laser head optical axis.

Adjustment of the Focus ASSY

Steps for adjusting the focus assembly.

Adjustment of the D Mirror ASSY (Aligning Beam)

Aligning the YAG laser beam to the aiming beam using D mirror ASSY.

Adjustment of the Focus of YAG Laser

Procedure for focusing the YAG laser beam.

Adjustment of the Focus Shift

Steps for adjusting the focus shift parameter.

Adjustment of the YAG Laser Energy

Calibrating the YAG laser's energy output.

Other Adjustments

Miscellaneous adjustments for system performance.

Adjustment of the Smoothness of Vertical Movement

Procedure to ensure smooth vertical movement of components.

Adjustment of Indicated Energy and Settable Function

Adjusting external energy readings and settable functions.

Adjustment of Indicated Energy of YAG Laser

Calibrating indicated YAG laser energy readings.

Gain Adjustment for Indicated YAG Laser Energy

Procedure for adjusting the gain setting for YAG laser energy.

Offset Adjustment for Indicated YAG Laser Energy

Steps for adjusting the offset setting for YAG laser energy.

Adjustment of Aiming Energy

Calibrating the aiming beam's energy output.

Aiming Gain Adjustment

Procedure for adjusting aiming energy gain.

Aiming Offset Adjustment

Steps for adjusting aiming energy offset.

Release of Tilting Lens-Barrel (Option) Control

Disabling safety function for tilting lens-barrel operation.

Wiring Diagram

Error Code List and System Indicators

Error Code List

List of error codes, their corresponding symptoms, and likely causes.

Dip Switch List

Explanation of dip switch functions and their normal settings.

Other Indications

Description of various abbreviations and indicators displayed on the system.

System Parameter List and Settings

Changing and Setting of the Parameters

Procedure for modifying system parameters via the control panel.

Original Setting of the System Parameters

Instructions for resetting system parameters to factory defaults.

Contents of Parameters

Detailed list and description of all system parameters.

List of Parts to Be Replaced

Consumables

List of consumable parts requiring periodic replacement.

Parts to be Repaired and Replaced

Catalog of components available for repair or replacement.

Tools, Measurement Tools, Solvent, and Jigs

Tools Required for Maintenance

List of standard tools required for servicing the equipment.

Measurement Devices

Specifications for measurement devices used in calibration and troubleshooting.

Solvents for Cleaning

Recommended cleaning solvents for optical and mechanical parts.

Specialized Jigs for Maintenance

List of specialized jigs required for specific maintenance tasks.

Other Necessary Items

Other necessary items such as cleaning paper.

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