Huvitz HDR-7000 Service Manual
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Huvitz HDR-7000 Service Manual

Digital refractor
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Service Manual
Digital Refractor HDR-7000
HUVITZ Co., Ltd.
- 1 -

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Summary of Contents for Huvitz HDR-7000

  • Page 1 Service Manual Digital Refractor HDR-7000 HUVITZ Co., Ltd. - 1 -...

  • Page 3: Table Of Contents

    Contents Contents ..........................3 1. Introduction.........................5 2. Before Getting Started .......................6 2.1 Checking Software Versions ..................6 2.2 Setting-Up Initial System Parameters ..............6 2.3 Using Engineer Menu Mode..................6 3. Confirmation Check Procedure..................8 3.1 Purpose of confirmation check .................8 3.2 Confirmation check ....................8 3.2.1 Checking the initialization................8 3.2.2 Post aging test procedures for Main Body ............9 3.2.3 Checking procedures for the Operation Panel ...........
  • Page 4 4.10 Junction Box Disassemble ................... 29 4.11 Cleaning lens ......................30 5 Trouble shooting ......................31 5.1 Wiring diagram and boards description ..............31 5.1.1 Operation panel board .................. 31 5.1.2 Refractor Body ..................... 33 5.1.3 Junction Box ....................36...

  • Page 5: Introduction

    1. Introduction This manual provides information on the maintenance of HUVITZ refractor Model HDR-7000. For correct maintenance, it is necessary to understand this manual thoroughly before beginning any treatment on the instrument. In case the instrument cannot be repaired by the procedures described in this manual, contact and inform our technical service department of the detailed information about your problem with product number and software version.

  • Page 6: Before Getting Started

    Technical Support Department at Huvitz. HDR-7000 Digital Refractor is consists of three parts, Refractor Body, Operation Panel and Junction Box. The Refractor Body is functionally divided into three parts, upper head, right and left battery. Each part of them has its own driving mechanism and driving software.
  • Page 7 information about the mode. - 7 -...

  • Page 8: Confirmation Check Procedure

    3.1 Purpose of confirmation check The purpose of inspecting the Huvitz product before taking it out for installation at customer’ s place is to find out possible defects or changes on original alignment made on them during the shipping and to confirm the settings for normal operation.

  • Page 9: Post Aging Test Procedures For Main Body

    • Press FAR and NEAR button on the display several times. • Check if the Refractor Body is converging correctly. • Stop this step when the HDR-7000 Refractor Body is in FAR mode. ③ Check the initialization sequences again. • Turn off the power.

  • Page 10: Checking Procedures For The Operation Panel

    ⑤ Check the direction of rotary prism lenses. • Reset the Refractor Body By pressing the CLEAR button twice. • Select rotary prism lenses By pressing the BIBO or BDBU button. • Check if the direction of prism base is down. ⑥...
  • Page 11 - Measure a model eye or a patient. - Press PRINT button for transferring the measured data. - Press MRK button with SHIFT pressed on the Operation Panel after the MRK or HRK finishes printing. - Select and load the data received. - Check if the data is correct.
  • Page 12 -Store the change by pressing the button EXE, SET or OK -Press some chart buttons and check the response of HDC-7000. -12-...

  • Page 13: Disassembling Procedure And Parts Description

    4. Disassembling procedure and Parts Description 4.1 Removing of the main body covers 4.1.1 Removing the Rear cover of the main body - Unscrew the screws and remove the Rear cover Ass’y R (or Rear cover Ass’y L) M3 Screw M3 Screw M3 Screw Rear Cover Ass’...

  • Page 14: Removing The Front Covers Of The Main Body

    4.1.2 Removing the Front covers of the main body - Unscrew the screws and remove the Front cover Ass’y R (or Front cover Ass’y L) MD Inner Front Cover Ass’y M2.6 Screw *4EA Fig. 3-1-2 -14-...

  • Page 15: Description Of Parts

    4.2 Description of Parts 4.2.1 Main body (#1) PART NAME DISK_1 ASS’Y DISK_2 ASS’Y DISK_3 ASS’Y DISK_4 ASS’Y DISK_5 ASS’Y DISK_6 ASS’Y SUB1 GEAR 120 ASSY MOTOR_BOARD CONNECTION_GEAR SERIES CONNECTION_GEAR SERIES CONNECTION_GEAR SERIES - 15 -...

  • Page 16: Main Body (#2)

    4.2.2 Main body (#2) PART NAME Gearer Motor Ass’y Disk_1 Motor Ass’y Disk_3 Motor Ass’y Disk_2 Motor Ass’y Hole Sensor Ass’y Sylinder PI Ass’y Frame Sub Ass’y -16-...

  • Page 17: Main Body (#3)

    4.2.3 Main body (#3) PART NAME Prizm Out Motor Ass’y Prizm Inner Motor Ass’y Disk_4 Motor Ass’y Disk_5 Motor Ass’y Disk_6 Motor Ass’y SUB1 GEAR 120 DUAL ASSY Prizm Out PI Ass’y Prizm Inner PI Ass’y - 17 -...

  • Page 18: Sub1 Gear 120 Dual Ass'y

    4.2.4 SUB1 GEAR 120 DUAL ASS’Y PART NAME M2*5 Screw main_shaft_fixer Teflon_dia24*dia15*T0.1 sub1_gear120 NTB1024 sub_gear_axis -18-...

  • Page 19: Sub1 Gear 120 Ass'y

    4.2.5 SUB1 GEAR 120 ASS’Y PART NAME sub_gear_2_shaft NTB1024 sub1_gear120 Teflon_dia24*dia15*T0.1 main_shaft_fixer M2*5 Screw - 19 -...

  • Page 20: Hall Sensor Ass'y

    4.2.6 HALL Sensor Ass’y Holes for Disk Ass’ y on right-hand Holes for Disk Ass’ y on left-hand PART NAME PCB ASSY magnet sensor guide Flat M3*6 Screw -20-...

  • Page 21: Replacement Procedure Of Each Sensor

    4.3 Replacement procedure of each sensor (1) Remove the upper front, upper Rear covers of the main body, and front and Rear covers (2) Disconnect the connector of the sensor to be replaced. (3) Unscrew the screws and remove PI or HALL sensor. * With a cutter knife, draw lines along the sensor board shape on a metal plate as shown in the right figure, so that you can see the original fixing position later.
  • Page 22 - Once you replace sensor with this procedure , you must check its original position line carefully. - After turning on power, check the Initial positions of Open Apertures. All disk’ s Open Aperture must be concentric. Incorrect Position Correct Position Open Aperture in a disk which Open Apertures...

  • Page 23: Removing Procedure Of The Main Body Covers

    4.4 Removing procedure of the main body covers. M3 socket set Screw Remove the Forehead Adjustment knob first. M2.6 Screw *6EA FLAT M3 Screw 1EA - 23 -...

  • Page 24: Replacement Procedure Of The Pt Board

    4.5 Replacement procedure of the PT BOARD. -24-...

  • Page 25: Operation Panel Disassemble Procedure

    4.6 Operation panel disassemble procedure. M2.6 SCREW 7EA Jog Dial Handle Unscrew 7 screws under Operation Panel - Removing procedure of the OP bottom case PUSH PUSH - 25 -...

  • Page 26: Replacement Of Operation Panel Lcd

    4.7 Replacement of Operation panel LCD Unscrew 6 screws fixing the LCD with hinge for replacing the LCD PUSH -26-...

  • Page 27: Replacing Printing Paper

    4.8 Replacing Printing Paper Replace the roll of printing paper as soon as possible after the red line appears on the paper according to the procedure below: 1. Tilt the LCD monitor 90° degree to open the printer cover. 2. Pull the opening lever on the printer cover. 3.

  • Page 28: Converter Box Disassemble

    4.9 Converter Box Disassemble Pull 4pin port External power port for MRK/CLM -28-...

  • Page 29: Junction Box Disassemble

    4.10 Junction Box Disassemble Unscrew 8 screws on Junction Box Power inlet and fuse holder SMPS On/Off switch Voltage selection 4pin port switch 24pin port 15pin port for for Refractor Body Operation Panel - 29 -...

  • Page 30: Cleaning Lens

    4.11 Cleaning lens Clean the lenses in the Refractor Body by following the procedure below. (1) Remove the cover glasses from the test window of Refractor body at both the examinee’s and examiner’s side. (2) Execute the Lens Check function in the Engineer Menu mode. (3) Use R/L or OU button to select body.

  • Page 31: Trouble Shooting

    5 Trouble shooting 5.1 Wiring diagram and boards description 5.1.1 Operation panel board - 31 -...
  • Page 32 HDR-7000 OP PART ELECTRIC WIRE DIAGRAM Item QTY Description Remarks PCB ASSY HDR OP GUI BOARD (ROB-300) PCB ASSY BLOCKER TOUCH DRIVER BOARD (BTD-100) LCD MONITOR AA084SA01 HARNESS ASSY LCD MONITOR INVERTER LCD INVERTER ja442_cxa0271 THERMAL PRINTER THERMAL PRINTER OP UPGRADE 외부용...

  • Page 33: Refractor Body

    5.1.2 Refractor Body - 33 -...
  • Page 34 HDR-7000 MOTOR PART ELECTRIC WIRE DIAGRAM Item QTY Description Remarks PCB ASSY REFRACTOR BODY HEAD (RBH-100) HARNESS ASSY STEP MOTOR-PD HARNESS ASSY STEP MOTOR-TILT HARNESS ASSY PI-PD HARNESS ASSY PI-TILT HARNESS ASSY FOREHEAD CHECK LED HARNESS ASSY CHART LED HARNESS ASSY...
  • Page 35 MOTOR(STEP) 15BY45-63-G MOTOR(STEP) 15BY45-62 HARNESS ASSY PI-OUTER-PRISM - 35 -...

  • Page 36: Junction Box

    5.1.3 Junction Box -36-...
  • Page 37 HDR-7000 SMPS PART ELECTRIC WIRE DIAGRAM Item QTY Description Remarks AC SOCKET CONNECTOR 4301.0503 + 4301.1403 HARNESS ASSY JUCTION - INLET TO POWER SW POWER SWITCH R9D2KKGT00F1 HARNESS ASSY JUCTION - NOISE FILTER SMPS PK-HV0702 FUSE 50T, 250V, 3.15A, 5.2F , 20mm...
  • Page 38 -38-...

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