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OCULUS Easyfield, Service Manual

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OCULUS Easyfield Service Manual Download Page 15

page 15

Service manual Easyfield

Figure 17

6.4.2

 

Control board

The control board as it named controls the
perimeter completely. It contains the whole

examination program and has got space for
40000 examinations.

Control board

Control button board

Control
knob

RS232
Connector

Buttons
near LCD

Software Up-
date Jumper

To printer

Button,
Right

Button, Left

To inverter

To LCD

Summary of Contents for Easyfield

Page 1: ...Copyright by S 56930 0102 e Easyfield Service manual...

Page 2: ...ing 4 5 The basic operation principal of the system 5 6 Easyfield 6 6 1 Opening the housing 6 6 2 Remove the cupola 8 6 2 1 Set up the CCD image 9 6 2 2 Dismounting the CCD board 10 6 2 3 Board descri...

Page 3: ...lace where it is be protected from direct sunshine flammables and high humidity Protect the unit also from dust extreme temperatures and water The unit must be used with the proper electrical voltage...

Page 4: ...480 Pixel with min 256 Colors 3 2 Mains power The power supply needs AC Voltage 100 240 Volt 50Hz 60Hz 0 75A 0 35A Output 12V 2 75A 4 System setup 4 1 PC connection The Easyfield works with a standard...

Page 5: ...The CCD Camera 6 observe the eye of the patient while the examination is running Using the response button 8 the patient signals seeing or not seeing the testpoint Data is compressed by a Microcontrol...

Page 6: ...screw the four screw at the back of the unit and remove the back part of the housing by pulling it in the direction as marked on the picture Figure 4 Dismount the lens holding part of the housing by m...

Page 7: ...page 7 Service manual Easyfield Figure 5 Figure 6 LED board CCD board EF01 board Cupola moving axis Infrared diode LED row for back ground illumination...

Page 8: ...syfield page 8 6 2 Remove the cupola Figure 7 Unplug the flat ribbon cables from the EF01 board to the testpoint board and cut the cable ties Figure 8 Two Allen screws CCD board LED board Screws holdi...

Page 9: ...to the hand held unit or the PC until you have a picture on the CCD Be sure to connect both cables to the CCD board Connecting one cable only will destroy the board The pictures position can be change...

Page 10: ...de Figure 11 Back side Figure 12 Back side without CCD chip If the camera picture looks like a chessboard or has got vertical or horizontal stripes the CCD board may have a malfunction If the Camera p...

Page 11: ...idual brightness of the testpoint LEDs on the LED board cf 6 2 6 page 13 the unit has to be calibrated The calibration values are stored on the EF01 boards Eeprom Caution If the EF01 board has to be r...

Page 12: ...5 CCD board This board has a single CCD chip which produces a picture of the patient s eye This inch CCD Sony ICX039BLA uses a resolution of 582x752 Pixel The board is directly connected with the EF0...

Page 13: ...hich are projected inside the cupola This board is connected directly to the EF01 board which controls the testpoints Also this board has got a connector for the background illumination and the infrar...

Page 14: ...12V 2 75A 6 4 Hand held unit 6 4 1 Opening the housing To open the housing just remove the printers cover by pulling it in the direction described on Figure 15 Unscrew the four screws on the bottom o...

Page 15: ...t named controls the perimeter completely It contains the whole examination program and has got space for 40000 examinations Control board Control button board Control knob RS232 Connector Buttons nea...

Page 16: ...ion of patient s eye is defect Replace the infrared LED cf Figure 6 CCD chip is defect Replace the CCD Chip cf 6 2 2 page 10 Testpoint LED does not illuminate LED is defect LED has to be replaced Caut...

Page 17: ...930 03 024 12V Cable 2 56930 03 025 Felt t3 d12 0 28g ccm 1 56930 03 026 Camera holder AlMg3 2 56930 03 027 Camera angle AlMg3 1 56930 03 030 Funnel complete 1 56930 03 031 Additional Facing complete...

Page 18: ...ylinder head screw M2x8 DIN84 4 04210002 Allen M3x6 with integrated washer DIN912 zinc coated 3 04210002 Allen M3x6 with integrated washer DIN912 zinc coated 2 04210002 Allen M3x6 with integrated wash...

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