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Nidek Medical CP-690 Service Manual

Automatic chart projector

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Service manual (70 pages)

Table Of Contents

Table of Contents

Table of Contents
Introduction
Troubleshooting
Sub Troubleshooting
The Initialization Does Not Start
The Motor Does Not Work
The Motors Do Not Stop
The Projection Lamp Does Not Go on
The Chart Image Is Partly Blocked
The Chart Brightness Is Unsuitable
The Chart Brightness Is Uneven
The Chart Image Is Not Clear
The Chart Image Does Not Change as Operated by the Remote Control
The Polarized Chart Does Not Disappear
The LED Does Not Go on
Replacement
How to Remove the Covers
Replacement of the Circuit Boards
Replacement-Of the BAOI Board
Replacement of the BA02 Board
Replacement of the Sensors
Replacement of the Chart Sensor
Replacement of the Mask Sensor
Replacement of the Chart Motor
Replacement of the Chartas~Y
Replacement of the Mask Motor and Mask ASSY
Replacement of the Bottom Cover ASSY (Power LED)
Replacement of the Power Switch
Replacement of the Power Transformer
R~Placement of the C Lens ASSY, Lamp Cable and Reflecting Mirror
Replacement of the Holder ASSY
Replacement of the Halogen Lamp
Replacement of the Fuses
Cleaning
Cleaning Ofthe Chart and Mask
Cleaning of the Halogen Lamp, Reflecting Mirror and Condenser Lens
Cleaning of the Holder ASSY
Adjustement
Adjustment of the Initialized Position
Adjustment of the Sensor Voltage
Adjustment of the Lamp Filamentposition
Adjustment of the Fixed Mask Position
Adjustment of the Chart and Mask Positions
Setting
To Display or Not Display the Visual Acuity
Selecting the Amount of Chart Light
Setting of the Beep Sound Volume (Response Sound)
Setting of the DIP Switch
Information
Wiring Diagram
How to Carry out the Wiring
List of Replaceable Parts
Tools and Measuring Devices

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NIDEK

AUTOMATIC CHART PROJECTOR

Model CP-690

SERVICE MANUAL

NIDEK CO., LTD.

MCP7**RDAOOlAlE

Total Page 63

Table of Contents

Nidek Medical CP-690 Service Manual

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Troubleshooting

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Table of Contents