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---------------------------------------------------------------------------------------------- Auto Ref/Keratometer HRK-9000A 11

3.Product Outline

3-1. Nomenclature

1. Head Rest : Preventing the vibration by fixing the head

2. Measurement Button: Performing the measurement by pressing it after focusing

3. Operation Lamp : Indicates whether or not the electric power is on

4. Display Monitor: Monitor for measurement

5. Chinrest up/down button: Move up or down the chinrest.

6. Printer button: A button for printing of measuring results.

7. Printer: Printing the measured results

Содержание HRK-9000A

Страница 1: ...Service Manual Auto Ref Keratometer HRK 9000A...

Страница 2: ...publication has been carefully checked and is believed to be entirely accurate at the time of publication HUVITZ assumes no responsibility however for possible errors or omissions or for any conseque...

Страница 3: ...age less than 250Vac minimum 6A Type SJT or SVT 18 3AWG 10A max 3 0m long One end terminates with blade attachment plug HAR Type NEMA 6 15P This product may malfunction due to electromagnetic waves ca...

Страница 4: ...on 5 3 Product Outline 11 3 1 Nomenclature 11 3 2 Optical System 13 3 3 Electrical System 16 3 4 Mode Setting 22 3 5 Principles of Measurement 23 4 Repair Standard 28 4 1 Checking and Control 57 4 2 D...

Страница 5: ...he information in this publication has been carefully checked and is believed to be entirely accurate at the time of publication Huvitz assumes no responsibility however for possible errors or omissio...

Страница 6: ...operator It is for this reason that the following safety notices have been placed appropriately within the text of this manual to highlight safety related information or information requiring special...

Страница 7: ...uired to do the protective ground to the conductive section in the equipment of class I for the purpose of safety UL60601 1 CAN CSA C22 2 NO 601 1 MEDICAL EUIPMENT WITH RESPECT TO ELECTRIC SHOCK FIRE...

Страница 8: ...requently Normal temperature for operation of the machine is at the range of 10 C 35 C and the humidity is at the range of 30 70 Do not disassemble or open the machine The manufacture shall have no re...

Страница 9: ...1060hpa For the Transformation of the machine please keep the ambient temperature is 40 70 humidity is 10 95 and atmospheric pressure is 500 1060hpa For the Storage of the machine please keep the amb...

Страница 10: ...er splashes drips or sprays Do not place containers containing fluids liquids or gases on top of any electrical equipment or devices 3 The equipment must be operated only by or under direct supervisio...

Страница 11: ...ate for the receptacle socket If you cause any damage to a cable connector s or receptacle s let the damage s be repaired by an authorized service technician 12 Please do not pull on any cable Always...

Страница 12: ...ement Button Performing the measurement by pressing it after focusing 3 Operation Lamp Indicates whether or not the electric power is on 4 Display Monitor Monitor for measurement 5 Chinrest up down bu...

Страница 13: ...ace Connector A terminal connecting to the exterior equipment 3 Exterior Monitor Connection Connector Connecting into the exterior monitor 4 Clamping Bolt Fixing the system stage NOTE As connecting to...

Страница 14: ...Auto Ref Keratometer HRK 9000A 13 3 2 Optical System...

Страница 15: ...ing beam splitter 7 Reflection mirror 8 Polarizing filter 9 Collimation lens 10 Diffuser 11 Light source R 12 Objective lens 13 Insert lens high diopter 14 Image lens for Refractometer 15 MLA micro le...

Страница 16: ...1 10 9 8 7 6 5 1 1 Projection system of the REF measurement 1 5 1 6 12 13 14 15 16 Illumination system of the light source for Retro Illume observation 11 10 9 8 7 6 5 1 1 Image capturing system of Re...

Страница 17: ...am 3 3 1 1 System functional block diagram AC 100 240 Power switch DPST SMPS DC Output 5V 4A 5V 2A 12V 1 8A Dual Line Fuse SMPS Output DC12V 8 3A Main Board Power DC12V DC5V SMPS IN DC12V Main Board S...

Страница 18: ...Auto Ref Keratometer HRK 9000A 17 3 3 1 2 Power input electrical block diagram AC 100 240 Power switch DPST SMPS DC Output 5V 4A 5V 2A 12V 1 8A Dual Line Fuse SMPS Output DC12V...

Страница 19: ...18 Auto Ref Keratometer HRK 9000A 3 3 2 Electrical wiring 3 3 2 1 Main Board...

Страница 20: ...MB CN18 TO KER CMOS KER CMOS CAMERA 14 HARNESS MB CN20 TO MIRE CN4 PERI MIRE RING BD PERI 15 HARNESS MB CN21 TO MIRE CN1 MIRE RING BD 16 HARNESS MB CN22 TO MIRE CN10 WHITE MIRE RING BD WHITE 17 HARNES...

Страница 21: ...SE LINK BASE INTERFACE BD to MOVING BASE LINK 6 HARNESS BIF CN15 TO Y ENC BASE INTERFACE BD to Y ENCODER 7 HARNESS BIF CN20 TO Y PI BASE INTERFACE BD to Y PI 8 HARNESS BIF CN14 TO RL ENC BASE INTERFAC...

Страница 22: ...tion 1 U19 AM1808BZWT4 TI ARM MCU 2 U17 A3P1000 FG484 Actel FPGA Logic Array 3 U25 ADV7180BSTZ Video Decoder 4 U45 MDIN 241 SD to Full HD Up converter 5 U18 39VF6401 NAND Flash Memory 6 U30 K4T51163QJ...

Страница 23: ...t of table Start Key Description Printer Button S W Upgrade Mode Download OS program into ROM via serial port and USB ex COM permanently After downloading always HRK 9000A will start with new OS progr...

Страница 24: ...the examinee s eye is emmetropia hyperopia or myopia the reflected light from the retina is parallel to the optic axis of the eye diverge or converge respectively 3 The light beam reflected from the...

Страница 25: ...24 Auto Ref Keratometer HRK 9000A Objective Lens Image Lens MLA Micro Lens Array TV Camera...

Страница 26: ...inor axis 2b and then the rotational angle axis on the minor meridian Furthermore there is a correlation between the radius of cornea R the height of the projected ring image H which can be obtained f...

Страница 27: ...26 Auto Ref Keratometer HRK 9000A Ring type light source for measuring Mire Ring TV Camera Lens for measuring...

Страница 28: ...itreous humor and some of it go through the crystalline lens and the iris If it is captured by TV camera any turbid part of the transparent vitreous humor lens and cornea can be observed 3 5 3 2 Usage...

Страница 29: ...de Turn on HRK 9000A and wait several seconds until the measure screen in REF mode is displayed Press the button and touch screen in following orders 1 Press Printer button 2 Touch the R area of measu...

Страница 30: ...the beep will sound 4 To load the data in the FRAM Press LOAD DATA When loading is complete the beep will sound 4 1 3 REF data set REF Test Mode A Start REF Test Mode in the Engineer mode B The menu i...

Страница 31: ...ed to the delimited area shown in yellow 9 INCR After the capture when applied Threshold increases the level of Threshold In R LED camera mode Increases the brightness of REF LED illumination 10 DECR...

Страница 32: ...tton and check the new video that is applied new level F Check the measurements of REF in the following ways 1 Select the K CCD camera mode focus on the model eye 2 Select the R CCD camera mode 3 Pres...

Страница 33: ...ild is 1 DIOPT diopter of model eye 2 GX average horizontal distance of REF Spots 3 GY average vertical spacing of REF Spots 4 SPH Spherical coefficients of the Zernike 5 CYL Cylinder coefficients of...

Страница 34: ...n the screen Continuous press K CCD ALIGN CLIP mode switches 2 ALIGN Guide lines for the alignment of the mire ring and the LED signal displayed on the screen 3 CLIP Output calculated KER data in real...

Страница 35: ...ck to set up Focus 7 In the same way of 6 all five steps to set up a Focus 8 Upon completion of the entire Focus setup setup of the model eye proceeds KER D KER in the following ways to proceed to the...

Страница 36: ...C D 7 Upon completion of the entire set of model eyes engineer mode is stored in the SAVE SYS DATA 4 1 6 Check the setup data KER KER Setup Data A Begin KER Setup Data in the engineer mode B Press GR...

Страница 37: ...Major axis length of mire ring 3 C Minor Major ratio 4 A Angle of major Mire ring axis 5 K Change in the focus distance and Focus step 6 mm Curvature of Model eye 7 HR Horizontal diameter of Mire ring...

Страница 38: ...d of time 6 EXIT Tracking Test will end C Motor can be selected for testing the kind of motor is as follows 1 X HEAD The optical head portion of the X axis drive motor 2 Y BASE Y axis drive motor of t...

Страница 39: ...button select the drive axis to move to the center position G The following is an automated tracking tests 1 Mount the model eye on the stand 2 Adjust the chin rest location and the model eye to appe...

Страница 40: ...se section 3 Z HEAD The optical head portion of the Z axis drive motor C For each of the motors are the following configurable items 1 BASE DUTY Motor Power of main drive 2 MOVE LUR X Y Z axis motor r...

Страница 41: ...t of the center of the range of values D For each set of items set the left and right side of the value or click the plus sign E After the Motor Setup engineer mode is stored by pressing the SAVE SYS...

Страница 42: ...Setup in the engineer mode B Select lens mode CYL0 CYL1 CYL ASSY F LENS C External camera is equipped for align on each lens mode 4 1 10 Measuring Preferences Measure Setup A Measure Setup begins in...

Страница 43: ...dots per mm numbers 7 FOCUS XA X is the range of pixels in the direction of Focus 8 FOCUS YA Y direction pixel Focus Range 9 FOCUS ZF Z direction of the front side pigeoman direction and the pixel ra...

Страница 44: ...TEP The offset of the slit spacing Slit pitch Offset increases 4 STEP The offset of the slit spacing Slit pitch Offset decreases 5 EXIT PD Setup will exit Slit pitch Offset is changed the screen updat...

Страница 45: ...marked on the top right of the screen if appropriate SAVE button and press Save If you are not adequate adjust the offset of the slit spacing and try again seen D After PD Setup engineer mode by press...

Страница 46: ...CHART LED s PWM 8 WHITE DUTY The brightness of a White Color LED s PWM 9 BLUE DUTY The brightness of a Blue Color LED s PWM 10 K CMOS GAIN The Gain of a kerato CMOS sensor 11 MEIBO DUTY The brightness...

Страница 47: ...0A A Start Factory Setup in the engineer mode B Make System backup begins 1 Press the Start Backup The FRAM data is stored in the back up C Verify Backup Data 1 You can verify the Fram and Backup data...

Страница 48: ...Auto Ref Keratometer HRK 9000A 47 1 Press the Restore System setup would be initialized with Backup E Copy Fram begins 1 System setup would be copied fram to fram...

Страница 49: ...0A 4 1 14 Color Test A Start color test button in the engineer mode B Verify the LCD Color temperature 1 8 COOL WARM 4 1 15 Touch Setup A Start touch setup button in the engineer mode B Press start bu...

Страница 50: ...Auto Ref Keratometer HRK 9000A 49 C Press the cross marker 9 section until beep sound 1 START Recalibrate return to previous screen 2 APPLY Apply result now 3 RESET Factory reset 4 EXIT...

Страница 51: ...the screen 2 CLEAR Stored information to initialize all the Dead Pixel DPC function is off 3 CAMERA KER CCD Camera Color CCD and is one of the select Selected camera is displayed on the screen of the...

Страница 52: ...l D C in the same way and then Setup and then to the Dead Pixel 1 KER CCD s White Pixel 2 KER CCD s Black Pixel in 3 COLOR CCD s White Pixel 4 COLOR CCD s Black Pixel in E After DPC Setup engineer mod...

Страница 53: ...e report 5 EXIT Go to engineer mode 4 1 18 How to upgrade OS program using DNW application 1 Turn off HRK 9000A 2 Start DNW program set your PC s COM port number 115200 Bps 3 Connect PC to HRK 9000A w...

Страница 54: ...Auto Ref Keratometer HRK 9000A 53 8 After downloading turn off and on the HRK 9000A 9 Confirm the changed SW version on boot screen...

Страница 55: ...of two files the executable file HFCUSB exe the dll files cv100 dll cxcore100 dll and highgui100 dll It is no need to install it in your desktop computer Therefore just copy the files to the specified...

Страница 56: ...Auto Ref Keratometer HRK 9000A 55 4 Select USB Controller B of Data Received window and press Open button Then you can see below screen if connecting is corrected...

Страница 57: ...tus which located right side of Open button 6 Press File Open Bin Bhc button to select upload file 7 Press Transmit to HRK HLM button to transmit 8 Then you can see the transmission process on HRK 900...

Страница 58: ...e Head Rest Assy 2 Remove the BOLTCAP the screws and then separate the Back Case Bottom Cover 3 Remove the BOLTCAP the screws and then separate the Back Case Middle Cover 4 Remove the BOLTCAP the scre...

Страница 59: ...Auto Ref Keratometer HRK 9000A 8 Separate the Moving Base Front Assy 9 Separate the Moving Base Rear Assy 10 Separate the Bottom Base Assy 11 Remove the four screws and then separate the OS Total Ass...

Страница 60: ...ing Head Assy 1 Removal Method Remove the screws and then remove the Slider Assy 1 Remove the screws and then remove the Y Motor Assy 2 Remove the screws and then remove the Y Axis Frame Assy 3 2 Poin...

Страница 61: ...Hinge Assy 2 Remove the screws and then remove the Lcd Arm Bottom Cover 3 Remove the screws and then remove the Lcd Cover Back 4 Remove the screws and then remove the Lcd Plate 5 Remove the screws an...

Страница 62: ...eparate the OS B Plate 1 Remove the screws and then remove the OS Cover 2 Remove the screws and then remove the HRK9KA Main 202 3 Remove the screws and then remove the Main Board Shield 4 Remove the s...

Страница 63: ...he screws and then separate the Joy Plate 2 Remove the screws and then separate the XB LM Bracket 3 Remove the screws and then separate the Slide Rail Plate 4 Remove the screws and then separate the B...

Страница 64: ...reference ring is not displayed The aiming spot is not displayed The anterior part of eye is not displayed 3 Troubles related with measurement NO TARGET is displayed OVER SPH is displayed OVER CYL is...

Страница 65: ...stered well 2 Check the voltage 5V of connector by using DMM Please refer to 3 3 section of Service Manual for Electrical Wiring Voltage 5V OK Take off the head Top cover Replace Main Board In this ca...

Страница 66: ...o LCD Monitor 1 Main Board to LCD Moniter 2 Interface Board to LCD Inverter Board Please refer to the Service Manual for Electrical Wiring Does all connections are OK Yes Check voltage of the cable fr...

Страница 67: ...he cover Check the cable of mainboard with Key or Joystick When pressing the button check whether the voltage goes to L level Default is H level Does the level goes to L 0V Yes Replace Main Board No C...

Страница 68: ...ting result is OK Yes Remove printer cover from the body front cover Replace the thermal printer module through hole at right side of body front cover Unconnect the cable from IO Board to the thermal...

Страница 69: ...of TEST MODEL EYE is very different from the original value when the focusing bright spot is somewhat out focused Enter into REF TEST Enter into TEST MODE Enter into CCD mode by pressing CCD button t...

Страница 70: ...rease DIST CONST of the direction Moving too slow around focus Moving too fast or Passing away the focus Increase PWM BASE of the direction 1 or 2 steps Increase DIST CONST of the direction Decrease P...

Страница 71: ...HRK 9000A Phenomenon 9 Chin rest movement is not working Press Up or Down button for Chin rest movement in measure mode Not moving on any direction Yes No Okay Check the height level of chin rest Con...

Страница 72: ...to the eyesight of examinee Foggy method is the method that the size of the target is modified to be greater than the eyesight of the examinee by 1D 2D in order to reduce the error caused by this acc...

Страница 73: ...ccording to examinee in User Setup Mode VD 0 0mm hard contact lens VD 12 0mm lens of glasses oriental people VD 13 75mm lens of glasses western people VD 15 0mm lens of glasses western people 3 Cylind...

Страница 74: ...9000A 73 and minor meridian is displayed as CYL MIX sign will be attached in the case of the myopic astigmatism whereas sign in the case of the hyperoptic astigmatism The above mentioned option can be...

Страница 75: ...in the figure below 5 Pupil Distance PD Pupillary distance PD is the distance between the centers of the lenses of glasses Conveniently it is said that the distance between the pupils is the distance...

Страница 76: ...of the SETUP MODE See the following table and diagram for further information Classification of Data NORMAL MYOPIA HYPER OPIA ASTI GMA TISM NORMAL 0 5 S 0 5 0 5 C 0 0 MYOPIA S 0 5 0 5 C 0 0 SIMPLE MYO...

Страница 77: ...MAL e MIXED ASTIGMATISM b MYOPIA NEAR SIGHTEDNESS f HYPEROPIA FAR SIGHTEDNESS c SIMPLE MYOPIC ASTIGMATISM g SIMPLE HYPEROPIC ASTIGMATISM d COMPOUND MYOPIC ASTIGMATISM h COMPOUND HYPEROPIC ASTIGMATISM...

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