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AKR 550
Essilor AKR 550 Maintenance Manual
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2
1
External V
iew
No.
Name
No.
Name
1
LCD monitor
12
Power plug connector
2
Touch-sensitive panel
13
Rating plate
3
Printer cover
14
Chinrest
4
Base
15
Body cover
5
Rubber leg
16
Face panel
6
Main unit slide lock knob
17
Headrest
7
Measurement start switch
18
Head cover
8
Joystick
19
Printer cover button
9
Slide base cover
20
Headrest rubber
10
Power switch
21
Chinrest knob
11
External interface connector
2
4
Table of Contents
Auto Kerato Refractometer
2
Table of Contents
2
External View
3
Internal Structural Diagram
4
Measurement Principle
5
Block Diagram
6
Connection Diagram
7
Wiring Diagram
9
Troubleshooting
12
Cleaning of Eye Lens, Measurement Window Filter and Model Eye ASSY
34
Functional Check
35
Maintenance Mode
36
Evaluation of Freeze Image
47
12 Replacement Procedure of each Unit
49
Replacement of Head Cover, Control Board, EEPROM Board and Body Cover
50
Replacement of Optical Unit ASSY
51
Removal of LCD ASSY, Replacement of LCD Relay Board, LCD Cover Unit and LCD Unit
52
Replacement of Printer Control Board, Thermal Printer and Printer Cover Unit
54
Replacement of PD ASSY, Switching Supply and Power Switch
55
Replacement of Joystick Handle and Measurement Switch
56
Rewriting Procedures of the Software of AKR550
57
Packing Mode
61
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User Manual
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Essilor AKR 550 Specifications
General
Brand
Essilor
Model
AKR 550
Category
Medical Equipment
Language
English
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