Huvitz HFC-1 Service Manual
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Huvitz HFC-1 Service Manual

Fundus camera
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FUNDUS CAMERA
HFC-1
SERVICE MANUAL

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Summary of Contents for Huvitz HFC-1

  • Page 1 FUNDUS CAMERA HFC-1 SERVICE MANUAL...
  • Page 2 HUVITZ reserves the right to make changes in its products or product specifications at any time and without prior notice, and is not required to update this documentation to reflect such changes.

  • Page 3: Table Of Contents

    CONTENT 1. SAFETY PRECAUTIONS............................. 5 1.1 Overview ................................5 2. Symbol Information ..............................6 2.1 Usage Precautions ............................... 9 2.2 Environmental Considerations ........................... 12 2.3 Safety Precautions.............................. 14 3. INTRODUCTION................................. 16 System Outline..............................16 Intended Use..............................16 Classification ..............................16 Contraindications ............................
  • Page 4 8.2 UNCOVER ASSY ............................... 58 8.3 BASE ASSY ................................ 59 8.4 PC BOX ASSY..............................60 8.5 MOVING BASE ASSY ............................61 8.6 HEAD REST ASSY............................. 62 8.7 LCD ASSY ................................63 9. Troubleshooting ................................ 64 10. Replacement ................................67 10.1 SMPS ................................67 10.2 PC MOTHER BOARD ............................

  • Page 5: Safety Precautions

    1. SAFETY PRECAUTIONS 1.1 Overview Safety is everyone’s responsibility. The safe use of this instrument is largely dependent upon the installers, users, operators, and managers. It is prerequisite to read and understand these specifications before installing, using, cleaning, fixing or revising. Fully understanding the whole instructions must be the first priority. For this reason, the following safety notices have been placed appropriately within the text of this manual to highlight safety related information or information requiring special emphasis.

  • Page 6: Symbol Information

    2. Symbol Information The International Electrotechnical Commission (IEC) has established a set of symbols for medical electronic equipment which classify a connection or warn of any potential hazards. The classifications and symbols are shown below. Symbol Indication This symbol identifies a safety note. Ensure you understand the function of this control before using it.
  • Page 7 collection facilities appointed by the government or the local authorities. The correct disposal of your old appliance will help prevent potential negative consequences for the environment and human health. For more detailed information about disposal of your old appliance, please contact your city office, waste disposal service or the shop where you purchased the product.
  • Page 8 The United States and Canada have mutual-recognition agreements. Therefore, if certified using a Canadian specification (CSA) for UL, the certification mark for the product will be a C-UL certification mark which means CSA specification compliance as follows. (Les États-Unis et le Canada ont conclu des accords de libre-échange. Par conséquent, si l'on obtient une certification au moyen d'une spécification canadienne (CSA) pour l'AMT, la marque de certification pour le produit sera une marque de certification C-UL, ce qui signifie la conformité...

  • Page 9: Usage Precautions

    2.1 Usage Precautions This equipment has been developed and tested in conformity with domestic & international safety standards and regulations, which guarantees the high stability of this product. This guarantees a very high degree of safety for this device. The legislator expects us to inform the user expressively about the safety aspects in dealing with the device. The correct handling of this equipment is imperative for its safe operation.
  • Page 10 CAUTION This instrument includes lithium battery. This hazardous material needs to be disposed of properly to limit environmental pollution. Please contact to the professional waste disposal company. Cet instrument comprend une pile au lithium. Cette matière dangereuse doit être éliminée correctement pour limiter la pollution de l'environnement.
  • Page 11 Remarque 1: Le temps d'exposition et le nombre d'impulsions de toutes les sources lumineuses sont cumulatifs et additifs. Remarque 2: Si l'intensité de l'une des sources de lumière est réduite à 50% de l'intensité maximale, le temps d'exposition ou le nombre d'impulsions pour que cette source de lumière atteigne la ligne directrice d'exposition est doublé.

  • Page 12: Environmental Considerations

    Where the instrument is exposed to chemical material or explosive gas. Be cautious so that things like dust and metal do not fall inside the instrument. Don’t disassemble or open the product. HUVITZ does not take responsibility for the possible problems...
  • Page 13 Don’t plug the AC power cable into the outlet unless all parts of the instrument are completely connected. Otherwise, it will cause severe damage on the instrument. Pull out the power cable with holding the plug, not the cord. To avoid risk of electric shock, this equipment must only be connected to a supply mains with protective earth.

  • Page 14: Safety Precautions

    This instrument must be connected with the accessories supplied by HUVITZ. If you are to use other accessories, their safety or usability must be checked and proved by their manufacturers or HUVITZ.
  • Page 15 If a user uses power save supported by Windows 10 except for the power save in User setting, it causes some trouble in HFC-1. The manufacturer isn't responsible for the problem. User must not change the setting supported by the manufacturer, This change might make some trouble in HFC-1. The manufacturer isn't responsible for the problem.

  • Page 16: Introduction

    3. INTRODUCTION 3.1 System Outline The Huvitz Fundus camera HFC-1 is a non-contact, high-resolution bio-microscopic imaging device. It is indicated for in-vivo viewing, color fundus imaging. 3.2 Intended Use A device that illuminates the fundus by entering light into the pupil and photographs the fundus state according to the reflected light.

  • Page 17: Operating Principles

    3.6 Operating Principles The anterior of an eye is illuminated by IR light, the retina of an eye is illuminated by a white LED, of which lightings are emitted by the fundus illumination optical system. The fundus observation/photography optical system forms and makes an image with image sensors, which images are observed and manipulated with the display panel.

  • Page 18: System Overview

    4. System Overview 4.1 Configuration and Functions ■ Front View ⑪ ⑩ ① ④ ② ③ ⑤ ⑥-2 ⑥-1 ⑦ ⑨ ⑨-1 ⑨-2 Part Name Description Display Monitor for displaying captured image and user interface icon. Chinrest button Button for moving chinrest up and down. Joystick for aligning body to patient’s eye.
  • Page 19 ■ Rear View Part Name Description Headrest Rubber for fix patient’s head. Headrest External LED External LED for fixing patient’s eyes. Chinrest For fixing patient’s chin. Lens for passing illumination light from body and reflected light Objective lens from patient’s eye. Body Mirering Focus LED LEDs for checking working distance.

  • Page 20: Optical System

    ■ Bottom View ① Part Name Description Base Packing lock Lock for fixing body and base during transportation. (2 points) 4.2 Optical System ⑪ ③ ⑤ ⑫ ④ ⑩ ⑧ ⑬ ⑨ ② ⑦ ○ ⑥ ⑮ ⑭ ① ○ ○...
  • Page 21 4-2-1. List of Optical Components Name and critical feature part(*) Patient’s Eye Objective Lens Cornea Mirror Cornea Lens Cornea Camera Return Mirror Hole Mirror W.D LED Fundus Diopter Lens Color Fundus Camera IR Fundus Camera IR Fundus Lens Color Fundus Lens Fundus Zoom Lens Fixation Mirror Fixation LCD...
  • Page 22 4-2-2. Light Paths of the System A: Col or F undu s O bse rv ati on channel (○ à ○ à ○ à ○ à ○ à ○ à ○ à ⑩ ) B: I R F undus O b serv at i on channel (○...

  • Page 23: Electrical Construction Diagram

    4.3 Electrical construction diagram 4-3-1. Power input electrical block diagram ○ Power switch ON: DC5VSB(5V standby power) on ○ Po wer b ut t on on à DC 12V on: sy st em powe r up 4-3-2. System functional block diagram...
  • Page 24 4-3-3. Description of wire harness connection of Main Board/head optics...
  • Page 25 Connect Description (Connector number) Target connector HARNESS(MB(J1) TO AAM POWER(CN12)) AAM CN12 HARNESS(MB(J4) TO TOUCH IF) Touch interface B/D HARNESS(MB(J5) TO BIF DATA) Base interface B/D CN5 HARNESS(MB(J6) TO AAM DATA) AAM B/D J4 HARNESS(MB(J7) TO FLASH LED) Flash LED MIRE RING FPCB Miring LED FPCB USB 3.0 CABLE(AM-BM)
  • Page 26 4-3-4. Description of wire harness connection of AAM board...
  • Page 27 Connect Description (Connector number) Target connector HARNESS(BIF TO X ENC) X encoder HARNESS(BIF TO X PI) X PI HARNESS(BIF TO Z ENC) Z encoder HARNESS(BIF TO Z PI) Z PI CN10 HARNESS(AAM(CN10) TO JOYSTICK) Joystick CN12 HARNESS(MB(J1) TO AAM POWER(CN12)) Mainboard J1 CN17 HARNESS(AAM(CN17) TO BIF POWER)
  • Page 28 4-3-5. Description of wire harness connection of Base interface B/D(B)
  • Page 29 Connect Description (Connector number) Target connector HARNESS(BIF(CN1) TO SMPS 12V) SMPS 12V HARNESS(AAM(CN17) TO BIF POWER) AAM CN17 HARNESS(BIF(CN3) TO PC POWER) PC 12V HARNESS(BIF(CN4) TO PC COM1) PC COM1 HARNESS(MB(J5) TO BIF DATA) Mainboard J5 HARNESS(BIF(CN6) TO PC IF DATA) PC IF B/D CN2 HARNESS(BIF(CN7) TO SMPS 5V) SMPS 5VSB...

  • Page 30: Check And Testing

    5. Check and Testing 5.1 Fundus checking Focus check Patterns Settings - Assemble the ‘0D model eye JIG’ on Chinrest. - Run the main program ‘HFC’. - Choice the ‘patient’ (It does not matter what patient.) and click the ‘measure’. - Click the ‘Fundus’.
  • Page 31 Fundus Image check (Check a dust) Patterns Settings - Run the main program ‘HFC’. - Choice the ‘patient’ (It does not matter what patient.) and click the ‘measure’. - Click the ‘Fundus’. - Adjust the ‘0D model eye JIG’ to working distance using working dots. - Take a Fundus image of eye.
  • Page 32 - Check the Fundus image. Criteria - Check the Objective lens. Tested Example...

  • Page 33: Setup Data Checking

    5.2 Setup data checking Set up data Patterns Settings - Run the ‘Device Calibrator.exe’, you will see ‘Device Calibrator’ dialog. - Click the ‘System Configuration’ Procedures to test - You will see ‘System Configuration’ dialog.
  • Page 34 - Check the values ‘Diopter Position’, ‘Quick Return Mirror’, ‘Split Focus Mirror’. - Compare with previous values. (You can check previous values on capture image in the folder (C:\HFC-1\(version)\backup)) - If the values are different, change the values to previous values.

  • Page 36: Installation Procedure

    6. Installation Procedure 6.1 System installation ① Place the main body unit on a stable table. ② Loosen the two packing lock screw under the main body. Packing lock ③ Unscrew the user lock lever on the body. Joystick User lock ④...
  • Page 37 ⑦ If needed, connect external devices. Open ‘COVER BASE VENT’ on the left bottom of base with screw driver. connect mouse or keyboard If needed, Connect communication cable of external device. Close ‘COVER BASE VENT’ with screw driver. COVER BASE VENT ⑧...
  • Page 38 ⑭ Check there is no error during initialize process. Wait for until the initialization is complete. ⑮ Check the movement of body with joystick. Also, check the movement of motorized chinrest with chinrest button. Chinrest Chinrest button Joystic...

  • Page 39: Operation Software

    6.2 Operation Software ① Double-click the program icon on the LCD screen. ② When the initialization is complete, "Initializing Oct system...ok" will appear at the bottom of the screen. After initialization, log in by entering the ID and password. ③ Press register patient icon ( ) and input patient information.
  • Page 40 ⑤ If you want to send patient information to a web viewer or delete patient information, select the circle next to the ID and press the TRANSFER icon or DELETE icon. ⑥ When you select a patient, the screen changes. ⑦...

  • Page 41: Setup Mode

    6.3 SETUP Mode [To choose the section to setup] - Setup mode consists of seven sections: System, Patient, Measure, Analysis, Report and info. You can select the section to setup from the left side. - You can navigate the setup items with the page move buttons [ ] or the page numbers [ ] at the bottom.
  • Page 42 Patient Settings Patient List Size Number of patients to be displayed per pages. Today List Today List (List of patients visited today) settings. PID Prefix The function to set the prefix of the patient ID. PID Postfix The function to set the postfix of the patient ID. PID Number Length The function to set the length of patient ID.
  • Page 43 Analysis Settings Apply the standard values of brightness and contrast to Fundus B/C Adjust the measured fundus image automatically. Apply the standard values of UB and VR to the Fundus Color Adjust measured fundus image automatically. Apply edge sharpening function to the measured Fundus Edge Sharpen fundus image automatically.

  • Page 44: Dicom Setup Mode

    6.3 DICOM SETUP Mode Worklist Setting IP Address of the PC where the server program is Server IP installed. Server Port Set Port Number. Server AE Set Server AE. Client AE Set Client AE. MPPS Setting IP Address of the PC where the server program is Server IP installed.
  • Page 45 Storage Setting IP Address of the PC where the server program is Server IP installed. Server Port Set Port Number. Server AE Set Server AE. Client AE Set Client AE. General Setting Manufacturer Set the name of the manufacturer. Model Name Set the Model Name.

  • Page 46: Maintenance

    7. Maintenance 7.1 After operation Exit HFC software and Power off. (1) Select the Patient information icon ( ) in the upper left corner of the screen. (2) Select the Previous screen icon ( ) in the upper left corner of the screen. (3) Select the Power Off icon ( ) from the bottom left corner of the screen.
  • Page 47 (4) Selecting POWER OFF icon ( ) shows a pop-up window show below. (5) Checking the Packing Mode will move chinrest and the body of HFC to the lowest position before Power off (This is for packaging). NOTE To put the equipment in the packing box, select Packing Mode and then press OK to finish. Turn off external devices (monitor, etc.) if any external device is connected.

  • Page 48: Cleaning

    7.2 Cleaning 1. Cleaning objective lens Cover the objective lens with lens cap to protect the lens from external pollution. ① Use blower for removing dust on the surface of lens. ② Objective lens cap Blower Any contaminants on the objective lens will affect the measurement. ③...
  • Page 49 ⑤ Cleaning illumination lens as shown below. Wipe them using soft cotton swab moistened with alcohol.
  • Page 50 Do not use the solvents such as strongly volatile substance, thinner, benzene, etc Do not use a sponge or cloth soaked in water because the water might leak into the equipment. Clean headrest rubber and chinrest with an alcohol before sending device to authorized agent or Huvitz for maintenance.

  • Page 51: Replacement Of Consumables And Fuse

    7.3 Replacement of consumables and fuse Replacing chinrest paper Pull out two fixing pins from chinrest. ① Put a new chinrest paper on the chinrest. ② ③ Insert two fixing pins into the chinrest paper hole. ④ Attach the chinrest paper to the chinrest. Replacing fuse Ensure the power switch of device off (O).

  • Page 52: How To Pack The Device

    7.4 How to pack the device Make sure to shut down the device with ‘Packing Mode’. Refer to “7.1. After operation” 2. Tidy the device up in reverse order of system setup. Refer to “6.1. System installation” Make sure to fasten two ‘Packing lock’ under the device bottom. Screw the user lock lever on the body 3.
  • Page 53 6. Put down the device while checking the device direction. 7. Insert the foams while checking front and back side. Back Foam Front Foam 8. Close the top foam and put accessories to the right position. Top Foam 9. Close the box and seal with plastic tape.

  • Page 54: Self-Diagnosis Using Model Eye

    7.5 Self-diagnosis using Model eye 1. How to mount Model eye ① Remove chinrest paper. ② Mount Model eye as shown below and then fix it using two paper pins. ③ Align the center of the Model eye with the objective lens using joystick and chinrest button. Chinrest button Joystic...
  • Page 55 2. Checking working distance ① Select FUNDUS measurement in MEASURE mode. At anterior screen, align the device till the target mark (circular orange) appears which indicated the Model eye and the device’s alignment and focusing is correct. Align the device till the working dot marked red on the left IR screen to be positioned on the blue guide line and also the size to be smallest while maintaining the target mark (circular orange) to be displayed.
  • Page 56 ① Select FUNDUS Mode and measure Fundus. ② Check if there are asymmetric areas as right picture from the measured images. - If there are some, re-boot the device and measure again. ③ Check if there are any blurriness or smear as below picture from the scanned images. - If blurriness or smear appears, clean the finger prints or stain on the objective lens.

  • Page 57: Exploded Diagram

    8. Exploded Diagram 8.1 COVER ASSY ⑫ ⑬ ⑩ ⑧ ⑥ ③ ⑤ ⑦ ⑨ ⑪ ⑭ ④ ① ② CODE PART NAME Quantity REMARK 2000A001287 W2_COVER-BASE-FRONT W2EHAR0059 HARNESS(SOFT SWITCH LINK TO SOFT SWITCH) 2000A001288 W2_COVER-BASE-LEFT 2000A001289 W2_COVER-BASE-RIGHT 2000A001290 W2_COVER-BASE-VENT 2000A001294 W2_COVER-MOVING-LEFT 2000A001295...

  • Page 58: Uncover Assy

    8.2 UNCOVER ASSY ③ ② ① ④ ⑤ ⑧ ⑦ ⑥ CODE PART NAME Quantity REMARK 3099A000094 LENS-CAP-37MM 1330A000038 W2_OT-LCD-SUPPORT W2EHAR0072 HARNESS(MB TO OPTICAL FAN) W2MASSY002 W2_OPTICAL-ASSY W2MASSY054 W2_LCD-ASSY W2MASSY004 W2_BA-BASE-ASSY W2MASSY005 W2_MO-BASE-ASSY W2MASSY006 W2_HR-HEAD-REST-ASSY...

  • Page 59: Base Assy

    8.3 BASE ASSY ⑬ ⑫ ⑩ ⑪ ⑧ ⑨ ⑦ ③ ④ ⑥ ⑤ ② ① CODE PART NAME Quantity REMARK 1200A00A201 PACKING_LOCK_KNOB 1200A000364 W2_BA-BASE-PLATE 1210A000870 W2_BA-HEXA-SUPPORT 1200A000366 W2_BA-BASE-PLATE-SUPPORT-R 76010010002 SWITCH(ON-OFF) 79050010004 AC INLET FILTER 1200A000365 W2_BA-BASE-PLATE-SUPPORT-L 1330A000025 W2_BA-SMPS-PLATE 75010010008 SMPS W2EPCB0016 PCB ASSY(BASE IF-110)

  • Page 60: Pc Box Assy

    8.4 PC BOX ASSY ⑤ ⑥ ⑧ ① ③ ② ⑨ ④ ⑦ CODE PART NAME Quantity REMARK 79990010011 HDD(2.5Inch 1TB) 79990010014 HARNESS(PC TO SYSTEM FAN) 1310A000183 W2_BA-COOLING-FAN-GRILL 3024A000089 W2_BA-PC-BOX-1 3024A000090 W2_BA-PC-BOX-2 76SOL6M0001 FRAME GRABBER W2EPCB0017 PCB ASSY(PC IF-100) 79990010022 PC MOTHER BOARD 62080010010 IC(CPU)

  • Page 61: Moving Base Assy

    8.5 MOVING BASE ASSY ④ ③ ⑧ ⑤ ⑨ ⑥ ② ⑦ ① CODE PART NAME Quantity REMARK 1200A000372 W2_MO-BASE-PLATE 1250A000063 W2_SPECTRO-RUBBER A8MASSY005 A8_JOYSTICK-ASSY W2MASSY014 W2_XYZ-MOVING-ASSY W2MASSY015 W2_SPECTRO-ASSY W2MASSY016 W2_POLA-ASSY W2MASSY017 W2_REFFERENCE-ASSY W2MASSY018 W2_MO-LOCK-A-ASSY W2MASSY019 W2_SLD-ASSY...

  • Page 62: Head Rest Assy

    8.6 HEAD REST ASSY ⑪ ⑥ ⑩ ③ ④ ⑦ ⑧ ② ① ⑤ ⑨ CODE PART NAME Quantity REMARK 1110MS00004 W2_HR-HEAD-REST 2000A001298 W2_HR-HEAD-REST-COVER 2040A000123 W2_HEAD-REST-RUBBER 3004A000266 W2_HEAD-REST-SILICON-COVER W2EPCB0018 PCB ASSY(W2_CRPI-010) W2MASSY035 W2_HR-LED-BASE-ASSY 2000A00M004 M0_CHINREST 1130A000007 W2_HR-NECK W2EHAR0061 HARNESS(BIF(CN11) TO CR MOT) CHIN REST MOTOR W2EHAR0070 HARNESS(BIF(CN10) TO EXT LED LINK)

  • Page 63: Lcd Assy

    8.7 LCD ASSY ⑦ ⑥ ⑤ ④ ③ ② ① CODE PART NAME Quantity REMARK 2000A001292 W2_COVER-LCD-FRONT 72050010004 LCD(GRAPHIC) LCD SET 72990010001 TOUCH SCREEN 1330A000030 W2_LCD-BASE-PLATE 3022A000044 B-1479(Multi-stage hinge) 79990010021 TOUCH IF BOARD 3022A000028 OP BOX HINGE 2000A001291 W2_COVER-LCD-BACK...

  • Page 64: Troubleshooting

    9. Troubleshooting System power up sequence performed as follows Power switch onà Power control button on à system boot à Measurement software initialization Power on failure *1 refer 4-3-5 , marked B *2 refer following description [How to reset CMOS Bios ] ①...
  • Page 65 ② Press two hooks and pull forward to open ‘W2_COVER-BASE-VENT'. W2_COVER-BASE-VENT ③ Unlock the screw to remove stopper. ④ Slide CMOS reset switch to right side and wait at least 10 seconds. ⑤ Slide CMOS reset switch to left side and lock the stopper as original. CMOS reset switch stopper stopper...
  • Page 66 (2) PC system boot error. Ø Windows boot fail - check PC box SSD connection - backup user data if possible - replace SSD if the error persists. (3) Measurement software initialization fail Ø Initialization error messages are displayed a. Identify the error message(installation directory\log\system.log) Error Message Description possible defect point...

  • Page 67: Replacement

    10. Replacement 10.1 SMPS 1) Check the power switch on the bottom right of base is off. (O position) 2) Disconnect the power cable from the power inlet. Power switch Power inlet 3) Align left/right index mark (B) and front index mark (A) of body and base with joystick. Joystick 4) Lift two Packing locks under the bottom and turn them counterclockwise to lock the device (Important).
  • Page 68 5) Lean the device as shown below with caution. 6) Unscrew four bolts in the circle as shown below. 7) Pull 'W2_BA-SMPS-PLATE' out with caution. When, cut off the cable tie at the right side as shown below and uncouple the connector. W2_BA-SMPS-PLATE...
  • Page 69 8) Pull out with caution. 9) Unlock four bolts in the circle as shown below. 10) Uncouple harness connector to separate SMPS. SMPS 11) Change the SMPS with new one. 12) Reassemble in reverse order. Be careful when insert the SMPS ASSY into the main body.

  • Page 70: Pc Mother Board

    10.2 PC MOTHER BOARD 1) Check the power switch on the bottom right of base is off. (O position) 2) Disconnect the power cable from the power inlet. Power switch Power inlet 3) Remove Bolt caps and unscrew as shown below. 4) Remove Bolt caps and unscrew as shown below.
  • Page 71 5) Press two hooks and pull forward to open ‘W2_COVER-BASE-VENT'. W2_COVER-BASE-VENT 6) Lift slightly and pull 'W2_COVER-BASE-FRONT' forward while lifting Joystick slightly. W2_COVER-BASE-FRONT 7) Uncouple harness connector of the power button as shown below.
  • Page 72 8) Unscrew two bolts as shown below. 9) Disconnect main cable (use screw driver) and two USB cables. 10) Pull ‘PC BOX ASSY’ out slightly as shown below. Unscrew four bolts with screw driver and disconnect the cables.
  • Page 73 11) Pull ‘PC BOX ASSY’ out of the main body. PC BOX ASSY 12) Unscrew nine bolts as shown below. 13) Lift ‘PC BOX ASSY COVER’ up to open.
  • Page 74 14) Change ‘PC MOTOR BOARD’ with new one. 15) Reassemble in reverse order. Make sure that the cables not to touch the cooling fans. Refer to picture shown below to tidy up the cables. PCB ASSY (PC IF-100) Cooling FAN PC MOTHER BOARD FRAME GRABBER...

  • Page 75: Lcd Panel

    10.3 LCD PANEL 1) Refer to “10.2 PC MOTHER BOARD change” to disassemble bottom part. PC BOX ASSY 2) Unscrew two bolts as shown below. 3) Disconnect two connectors as shown below.
  • Page 76 4) Remove four ‘Bolt caps’ and unscrew bolts as shown below. Then separate covers (left and rights). 5) Remove four ‘Bolt caps’ and unscrew bolts as shown below. Then separate cover. 6) Remove four ‘Bolt caps’ and unscrew bolts as shown below. Then separate cover.
  • Page 77 7) Remove four ‘Bolt caps’ and unscrew bolts as shown below. Then separate cover. 8) Unscrew four bolts and separate the plate as shown below. 9) Remove two bolts and then separate B-1479 as shown below. B-1479...
  • Page 78 10) Disconnect lower side harness as shown below. 11) Unscrew six bolts as shown below. 12) Disconnect ‘LCD ASSY’ from the main body. Be sure to be cautious with the cables. 13) Remove six ‘Bolt caps’ and remove bolts as shown below. Then separate the cover.
  • Page 79 14) Separate ‘LCD cover’ forcing the thumbs to outside and the other fingers to inside. Be cautious the hooks not to be damaged. 15) Disconnect three connectors as shown below. TOUCH-IF-BOARD 16) Be sure to disconnect the cable while the harness locker locked screw as shown below. Locked Unlocked Harness can be connected or disconnected...

  • Page 80: Headrest

    17) Unscrew twelve bots and separate the plate. These screws are different type from others and be cautious not to be mixed with others. W2_LCD-BASE-PLATE 18) Change LCD Panel with new one. 19) Reassemble in reverse order. 10.4 Headrest 1) Check the power switch on the bottom right of base is off. (O position) Power switch 2) Remove the bolt covers and unscrew the bolts.
  • Page 81 3) Unscrew 6 bolts screw from the bottom of the chinrest assembly. 4) Disconnect the 3 connectors between the chinrest assembly and the equipment body. 5) Replace the Headrest assembly. 6) If no replacement chinrest assembly available, you can try check and repair the chinrest assembly. In that case, unscrew 6 bolt screws to remove the cover..
  • Page 82 7) Check the PI Board and harness status. Clean the PI sensor gently with an air blower or cotton swab. PI Board PI Harness Blower swab Cotton PI dog 8) Check the PI dog in the center of the censor. If the PI dog is not in the center of the sensor, align the PI dog by a little bending.

  • Page 83: Calibration

    11. Calibration 11.1 Device Calibrator 1) Fundus Device Calibrator Categories Contents Mainboard Mode for testing the USB communication channels between PC and HFC main board, and testing Test the devices connected to HFC main board such as motors, fixation, LED lights, and etc.. Long Run Mode for long-running tests of major operations such as Auto Tracking, Fundus photography, and Test...
  • Page 84 2) System Configuration 3) Factory Setup Categories Contents System LEDs Set the System LED’s parameters Fundus Flash Set the Fundus Flash Level and Auto flash Auto Enhancement Set the parameters for Fundus Auto Enhancement and Kernal Size(Edge Sharpen) Fixation Led Set the parameters for Fixation Led, such as Brightness, Period.

  • Page 85: Specifications And Accessories

    12. Specifications and Accessories 12.1 Standard Accessories Chinrest paper Touch pen Power cable Fuse (250V T 3.15A) Dust cover External LED Blower User manual Packing lock cap Model Eye...

  • Page 86: Specifications

    12.2 Specifications Device specifications Type Non-mydriatic fundus camera Center :60 lines/mm or more Resolution Middle(r/2) :40 lines/mm or more Periphery(r) :25 lines/mm or more Angle of view 45˚ Camera Color Image Sensor Minimum pupil diameter 4.0 mm (Normal mode), 3.3 mm (Small pupil mode) Flash light White light Working distance...

  • Page 87: Emc Information

    Voltage fluctuations/flicker IEC 61000-3-3 Complies • Electromagnetic waves tolerance HFC-1 is to be used in the below designated electromagnetic wave environment. HFC-1 customer and user need to guarantee that the HFC-1 will be used in this type of environment. IEC 60601...
  • Page 88 • Electromagnetic waves tolerance HFC-1 is to be used in the below mentioned electromagnetic wave environment. HFC-1 purchaser or user needs to confirm whether HFC-1 is sued at this environment. IEC 60601 Tolerance test Appropriateness level test conditions 3 Vrms...

  • Page 89: Service Information

    Parts below are consumable in their characteristics, or the quality of them shall degraded after the long time use. User should not replace them by him or herself. Please contact to Huvitz`s agent for the replacement if these parts are consumed enough or degraded by the longtime use.

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