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Huvitz HLM-1, Service Manual

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Huvitz HLM-1 Service Manual Download Page 46

 

 

Auto Lensmeter HLM-1 
 

45 

4.3. 

LCD TEST 

 

 

Measurement screen is not displayed… 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.4. 

LED TEST 

 

 

Cross mark (+) isn’t displayed in measurement waiting state… 

 

 

 

 

 

 

 

 

 

 

 

 

   

Check1

.   

SMPS TEST

 

 

Check1.    LCD  is  bright  but  there  is  no 

character or figure. 

Check2.    There  are  horizontal  lines  on  LCD 

and screen display is malfunctioned. 

Check  if  connector  of  LCD  is 

connected  correctly  to  MAIN 

BOARD.   

YES 

Y

E

S

 

Change LCD 

Check1

.   

Place white paper on FILTER COVER and 

  check if circular green light comes out from it. 

Change LED module 

Check1

.   

Change MAIN BOARD PCB ASS’Y and test again. 

Change CCD module 

Y

E

S

 

Y

E

S

 

YES 

YES 

Summary of Contents for HLM-1

Page 1: ......

Page 2: ...Auto Lensmeter HLM 1 1 Service Manual Auto Lensmeter HLM 1...

Page 3: ...ION OF THE CYLINDRICAL AXIS 13 2 6 DIOPTER SETTING VARIABLES LIST 15 2 7 HOW TO CHANGE THE CCD CAMERA 16 2 8 HOW TO CHANGE THE LED ASSEMBLY 18 2 9 HOW TO CHANGE THE PINHOLE HOUSING 18 3 REPAIR STANDAR...

Page 4: ...IAGRAM 42 4 1 ELECTRICAL BLOCK DIAGRAM 42 4 2 INSPECTING SMPS 44 4 3 LCD TEST 45 4 4 LED TEST 45 5 HOW TO UPGRADE THE FIRMWARE SOFTEWARE 42 5 1 INTRODUCTION 426 5 2 HOW TO UPGRADE THE FIRMWARE SOFTWAR...

Page 5: ...4 AUTO LENSMETER 1 Introduction 1 1 Components List Figure 1 Components Names I LCD Screen MEM Button Save Button Marking Lever Lens Table Lever Lens Holder Lever Lens Cap Button Lens Table...

Page 6: ...Auto Lensmeter HLM 1 5 Figure 2 Components Names II Figure 3 Components Names III Power Switch Power Connector RS 232 Connector...

Page 7: ...N 1 Examining the Internal Components First 2 Inspecting The value S C A Prism Checking Abnormal State Cleaning the Pinhole Power off and on Checking Abnormal State Setup Again Exit Normal State Norma...

Page 8: ...ptical system resolves the features of the lens such as diopter and prism It is composed of light emitting part and signal receiving part light emitting part composed of optic LED and collimation lens...

Page 9: ...collimator lens passes the pinhole and makes image on CCD In case of convex lens lens with plus diopter parallel light that has transmitted the collimator lens converges through the measuring lens pa...

Page 10: ...ODE mark will show in the upper area Calibration can be processed only in SETUP mode LENS PRISM CYLINDER To all setting you should convert the display step STEP into 0 01 In case of prism convert the...

Page 11: ...Lens set specification E To save and exit press the SAVE button F Press the EXIT button again And check if the diopter that has been set up in the basic display screen is shown SAVE SCREEN INFORMATION...

Page 12: ...o 0 01 B Place the standard lens and move it so that Green Color Cross Line will appear C Press the LENS Key 1 button D Press the MEASURE button E Determine the lens to measure by using two INDEX INDE...

Page 13: ...y the given value in the Standard Lens set specification E Rotate it to become the center position of 0 30 A0 degree F Press the MEASURE button and check if A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 value...

Page 14: ...er 7 211 240 center 8 241 270 center 9 271 300 center 10 301 330 center 11 331 360 center 2 5 The calibration of the cylindrical axis With the 5D rectangular cylindrical lens we can calibrate the cyli...

Page 15: ...s set specification D Locate it to the center while cling it to the lens Axis 90 Prism_x y 0 E Press the MEASURE button and check if A90 value is changed F Finally the SAVE button to save CYLINDER 5Di...

Page 16: ...age distance and distance rates between the four points and 25D 1 19 99 L 168 52 119 09 119 23 average distance and distance rates between the four points and 20D 6 0 00 L 135 93 96 11 96 12 CX 642 71...

Page 17: ...sembly C Detach the protective seal from the new CCD D Place the new CCD in its position Lift it up as much as you can But Be careful not to collide with the bone metal E Fasten the Base Screw I into...

Page 18: ...S Camera Screws J If the sum of two A12 values in 6th row is greater than 0 1 loose all set screws for the Pinhole Housing And then rotate a little so that the sum of two A12 values is less than 0 1 O...

Page 19: ...B Place the new Upper Frame and fasten it C Assemble the Front Upper Cover and the Side Cover again D You must execute all procedures for the calibration that are described in from the section 2 2 to...

Page 20: ...ation Display 7 Press the first ALIGN button to see the position information 8 Rotate the Pinhole Housing a little to make the parallel level which is the sum of two A12 less than 0 1 9 Fasten the 5 S...

Page 21: ...20 AUTO LENSMETER 3 Repair Standard 3 1 Removing Cover Assembly P I c t u r e...

Page 22: ...separate 12 Next remove 4 screws and separate 11 Be careful that you never scratch on the surface of Cover while assembling or disassembling Assembly is the reverse procedure of disassembly 2 MACHINE...

Page 23: ...22 AUTO LENSMETER 3 2 Frame Assemblely P I c t u r e...

Page 24: ...B6_BASE FRAME ASSY 6 FOOT 7 HARNESS MB CN3 TO EXT RS232 8 HARNESS AC INLET TO CHASSIS GND 9 AC SOCKET CONNECTOR INLET 10 PCB ASSY HLM1 MAIN V090 11 SMPS DELTA 40W 12 B6_POWER SW BRK 13 POWER SWITCH 14...

Page 25: ...24 AUTO LENSMETER 3 3 Back Bone Assembly P I c t u r e...

Page 26: ...is the reverse procedure of disassembly 2 B4_CCD CAMERA COVER 3 ROUND HEAD SCREW 2 3 4 FRAME CR RUBBER 1 5 B6_LED BONE ASSY 6 SHAFT FIX BRACKET 7 GUIDE SHAFT 4 8 B4_FOOT EXTENSION SPRING 9 FOOT MOVIN...

Page 27: ...26 AUTO LENSMETER 3 3 1 PD Bar Sub Assembly P I c t u r e...

Page 28: ...1 screw and separate 1 Please see the drawing for disassemble as needed Be careful that there is no scratch and assembly is the reverse procedure of disassembly 2 Z_WASHER_4X16 3 O RING For PD BAR 4...

Page 29: ...28 AUTO LENSMETER 3 3 2 Foot Frame Sub Assembly P I c t u r e...

Page 30: ...hod 1 FOOT HOLDER Please see the drawing for disassemble as needed Assembly is the reverse procedure of disassembly 2 F T2 CONTROL POS PIN 3 POSITION FOOT SPRING 4 C7_POSITION FOOT RUBBER ASSY 5 E RIN...

Page 31: ...30 AUTO LENSMETER 3 3 3 PEN Frame Sub Assembly P I c t u r e...

Page 32: ...reverse procedure of disassembly 2 B4_PEN PRESS BRK 3 B4_PEN CONT SUPPT 4 B4_PEN PRESS BRK KNOB 5 SCREW 2 6 6 6 SET SCREW SS 3 12 7 WRENCH BOLT 8 PEN GUIDE SHAFT 9 PEN GUIDE SPRING 10 E RING 11 ROUND...

Page 33: ...32 AUTO LENSMETER 3 3 4 PEN Slide Sub Assembly P I c t u r e...

Page 34: ...t Removal method 1 B4_PEN SLIDE BASE Please see the drawing for disassemble as needed Be careful the balls Assembly is the reverse procedure of disassembly 2 B4_SLIDE ASSY 3 PCB SUPPORT BOLT 4 SCREW 3...

Page 35: ...34 AUTO LENSMETER 3 3 5 PD Pinion Sub Assembly P I c t u r e...

Page 36: ...1 PD PINION BRK Please see the drawing for disassemble as needed Assembly is the reverse procedure of disassembly 2 PD PINION SHAFT 3 PD PINION NUT 4 B6_PD PINION SHAFT HOLDER 5 GEAR WASHER 6 GEAR L 7...

Page 37: ...36 AUTO LENSMETER 3 3 6 LED Bone Sub Assembly P I c t u r e...

Page 38: ...al method 1 B4_LED BONE 13 Turn part 2 for disassemble lens 3 Please see the drawing for disassemble as needed Assembly is the reverse procedure of disassembly 2 B4_LED LENS NUT 13 3 NEW LM LENS 4 B6_...

Page 39: ...38 AUTO LENSMETER 3 4 LCD Assembly P I c t u r e...

Page 40: ...l that there is no scratch and assembly is the reverse procedure of disassembly 2 B6_LCD WINDOW 3 LCD GRAPHIC 4 HARNESS MB CN17 TO LCD 5 B6_LCD PRESS COVER 6 B6_LCD FRAME BRK 7 B6_LCD SPONGE GASKET 8...

Page 41: ...40 AUTO LENSMETER 3 5 Under Cover Assembly P I c t u r e...

Page 42: ...D FRONT COVER Disconnect all cables from LCD assembly Remove 4 screws from 4 and separate 4 3 Be careful that there is no scratch and assembly is the reverse procedure of disassembly 2 B6_LCD WINDOW 3...

Page 43: ...TER 4 Electrical block diagram 4 1 Electrical block diagram CN5 CN17 CN16 CN1 1 4 3 2 1 2 E N 1 4 3 L N L 1 LCD E05 CN10 CN4 CN15 BD3 BD1 E01 E04 H01 H02 H03 H04 H05 H10 H07 H08 H09 H06 E03 BD4 BD2 CN...

Page 44: ...Auto Lensmeter HLM 1 43...

Page 45: ...Check the voltage of DC POWER Cable with DMM It should be AC100 220V REFERENCE ELECTRICAL CONSTRUCTION DIAGRAM Check1 Check BUZZER beeps after 2 seconds when you turn on the power switch MODULE TEST...

Page 46: ...here is no character or figure Check2 There are horizontal lines on LCD and screen display is malfunctioned Check if connector of LCD is connected correctly to MAIN BOARD YES YES Change LCD Check1 Pla...

Page 47: ...ut If there is PC with Windows operating system and serial cable connected to the Lensmeter with simple process about 3 minutes he she can upgrade the performance of his her Lensmeter without sending...

Page 48: ...Auto Lensmeter HLM 1 47 5 2 How to upgrade the firmware software using DNW application in HLM machines A Execute the DNW application B Press Options button to set the COM port...

Page 49: ...48 AUTO LENSMETER C Set the connected COM port and baud rate 115200 D Press Connect button...

Page 50: ...Auto Lensmeter HLM 1 49 E Power on the Lensmeter with pressing 5 key Then you can see the below messages F Press Transmit button and select firmware file...

Page 51: ...50 AUTO LENSMETER G Wait until download is the end H Reboot the Lensmeter after restart system message...

Page 52: ...Green Prism 0 10 0 01 0 125 0 25 0 20 0 01 0 06 0 12 0 25 Measurable lens diameter 15 to 115mm 15 to 120mm Method 4 point Hartmann Sensor with 81 Multiple Measuring Points UV 0 100 X Design Size 190...

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