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Multi-Wavelength Pattern Scanning System - LightLas 532 / 670 - Service Manual

Page 120

Rev. No 01

A complete listing of the Multi-Wavelength Pattern Scanning System - LightLas 532 /
670 error codes along with the suggested corrective actions are shown below:

Error code

Cause(s) / Description

Remedy Action(s)

Err 500 - ROM

-System failed to pass the
software integrity test

-Reboot the system

-Reprogram console or remote
control software

Err 501x - Shutter
Failure

x= 1 to 4 i.e. 5011,
5012,5013, or 5014

-Shutter failed to open or
close

-Reboot the system

-Check for loosen connection or
shutter or micro-switch integrity

-Replace it if necessary

Err 502 - Laser
Diode Current Too
High

-Laser diode current is
out of range or over the
limits

-Call the authorized service or
manufacturer for further assistance

Err 503 - Aiming
Laser Failure

-Aiming laser beam failure
or the laser intensity is >
1mW

-Call the authorized service or
manufacturer for further assistance

Err 5041 - Laser
Diode Temperature
Out of Tol/-
2.5C

-Ambient temp. is too high
or low which causes the
laser laser temp. TEC unable
to reach the stable or
preset value within 5 mins.

-Reboot the system

-If the problem persisted, call the
authorized service or manufacturer
for further assistance

Err 5042 - Laser
Sensor Failure

-Laser sensor failure
(opened or shorted
sensor)

-Power off ; call the authorized
service or manufacturer for further
assistance

Err 5043 - Cavity
Temperature Out of
Tol/- 2.5C

-Cavity Temperature
sensor can not reach to
the /- 2.5C

-Reboot the system

-If the problem persisted, call the
authorized service or manufacturer
for further assistance

Err 5044 - Cavity
Temperature
Sensor Failure

-Cavity temp. sensor
failure or the sensor is
open or shorted circuit

-Call the authorized service or
manufacturer for further assistance

Err 5051 - Remote
Communication
Error

-No communication
between remote and the
laser console within the
time of frame of 300ms

-Reboot the system

-If the problem persisted, call the
authorized service or manufacturer
for further assistance

Содержание TruScan 532

Страница 1: ...Service Manual Multi Wavelength Pattern Scanning System LightLas 532 670 ...

Страница 2: ...ttern Scanning System LightLas 532 670 Service Manual Page 2 Rev No 01 Service Manual for the Multi Wavelength Pattern Scanning System LightLas 532 670 Directive 93 42 EEC as amended by 2007 47 EC Doc No DC2300 Rev No 01 ...

Страница 3: ...hazardous radiation exposure CAUTIONS Any modification to the Ophthalmic Laser will result in the necessity for it to be reclassified CAUTIONS U S law restricts this device to sale by or on the order of a physician This Service Manual contains confidential and proprietary information of the Manufacturer Manufactured by LightMed Corporation No 1 1 Ln 1 Pao An St Sec 3 Shulin Dist New Taipei City 23...

Страница 4: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 4 Rev No 01 ...

Страница 5: ...ving Inspection 20 4 3 Tool andEquipment 21 4 4 Preparation 22 A System Table Top Motorized Stand 23 B LDU Systems LCD System Console Footswitch Accessories 28 4 5 Final Verification Checkout 37 A Integrated Slit lamp LDU 37 B Laser Indirect Ophthaloscope Optional 38 C Endoprobes Optional 40 4 6 Integrated System Initialization and Validation 41 A LCD Console Validation 41 B Console Control Panel ...

Страница 6: ... All Different Power Range 50 700mW for Port 1 90 7 2 Aiming Spot Position Realignment Procedures 93 A Fine Tuning 93 B Coarse Tuning 95 C Aiming Spot Stability Realignment Procedures X Y Axis 99 D Spot Size Realignment Procedures 50 1000um 101 7 3 Slit Lamp Realignment Procedures 102 7 4 Aiming Intensity Realignment Procedures 103 A Aiming VR Intensity Adjustment 103 B Aiming Realignment Procedur...

Страница 7: ...anning System LightLas 532 670 Service Manual Page 7 Rev No 01 10 5 Configuration Procedures 133 10 6 Downloading Procedures 135 A Console MCU1 135 B Console MCU2 136 C Remote Control Downloading 136 Section 11 WARRANTY TERMS 137 ...

Страница 8: ...ng Gutter 32 4 11 a Slit lamp Arm Ready for Delivering Housing 32 4 11 b Fitting Delivering Housing to the Slit lamp and Securing it 33 4 12 Mounting Chinrest Ass y and Fitting Delivery Fiber to Truscan Aperture 33 4 13 a Hang console and plug in all the front panel connections 34 4 13 b Console Rear End Connections 34 4 14 Arm rest installed 35 4 15 a Clamp down the LCD Panel Holder in the middle...

Страница 9: ...and Console System Block Diagram 53 5 2 Truscan Console Layout Diagram 54 7 1 Y Axis Pattern Screen Shot 101 7 2 X Axis Pattern Screen Shot 101 9 1 a Sample of Error code display 119 9 1 b Sample of Remote Control Error code display 119 Record Sheet Installation Record Sheet 47 48 Primary Power Calibration Record Sheet 90 Secondary Power Calibration Record Sheet 91 Transmission Checking Record She...

Страница 10: ...ser The Manufacturer and Distribution organization shall not be held liable or responsible for damages or injury caused as a result of using non approved accessories This includes all Optical Fiber systems Laser Delivery Units Safety Filters Safety Glasses and Table units All maintenance and service work must be carried out by authorized and trained service agents and only those procedures outline...

Страница 11: ...lass IV laser product as specified in the standard IEC60825 1 2007 and the USA 21 CFR s 1040 10 1040 11 The Multi Wavelength Pattern Scanning System LightLas 532 670 Photocoagulator Laser is classified as Class I Type B Electromedical equipment as specified in the IEC60601 1 standard The Multi Wavelength Pattern Scanning System LightLas 532 670 Photocoagulator Laser is classified as a Class II dev...

Страница 12: ...es as the focused laser beam may cause ignition There is no AP APG protection DO NOT try to service or repair the laser other than what is included in this manual Service should only be performed by an authorized and trained agent of the manufacturer DO NOT fire the laser on a patient without first checking the operation of the laser and verifying the optical alignment of the treatment Laser beam ...

Страница 13: ...1986 During normal operation of the Multi Wavelength Pattern Scanning System LightLas 532 670 the operator is protected from Laser hazards by built in optical absorption Safety Filters All other personnel in the area should wear protective eyewear to eliminate the risk of eye injury occurring The optical density OD of eye protection must be greater than or equal to 4 and the wavelength 532nm and 6...

Страница 14: ...in the standards i e less than a Class 1 Laser Output The calculated NOHD for the Multi Wavelength Pattern Scanning System LightLas 532 670 with different Laser Delivery Units is 5 meters at maximum power settings for the Endoprobes 18 meters at maximum power settings and 1000 m spot size for Slit lamp Delivery Units 20 meters at maximum power settings for LIO Therefore when the laser is in operat...

Страница 15: ...ter they must wear safety glasses or goggles In any case NEVER look directly at the treatment laser beam as severe eye injury is likely This means avoid looking into the aperture of any of the laser delivery units or the console 2 4 Electrical Hazards The Multi Wavelength Pattern Scanning System LightLas 532 670 Photocoagulator laser has been designed to apply the International Standards for Medic...

Страница 16: ...tmospheric pressure Operating 800 1060 mbar Storage and Transport 500 1060 mbar Cooling System Fan cooled and TEC s for Laser Diode and Crystal Dimensions 130mm H x 370mm W x 330mm D Weight 13 Kg System 20 Kg Packed Treatment Laser Laser Type Diode Pumped Frequency Doubled YAG Diode Laser Wavelength 532nm 670nm Mode of Operation CW Power Output 2 W Maximum to Patients Cornea Power from Delivery un...

Страница 17: ... CSO Model SL980 K992836 Spot Sizes 50 m 1000 m continuously selectable on Zoom assembly of Delivery unit Focus plane All spot sizes Parfocal to Slitlamp focus plane Fiber Length 2 m Mounting Direct to Slitlamp housing Safety Filter Fixed filter OD 4 532nm and 670nm Beam Divergence Cone angle of 20 Laser Indirect Ophthalmoscope LIO Indirect model Keeler All Pupil II Retinal Spot size 300µm nominal...

Страница 18: ... Lightlas with TruScan Slitlamp model CSO Model SL980 K992836 Spot Sizes 50 m 1000 m continuously selectable on Zoom assembly of Delivery unit Focus plane All spot sizes Parfocal to Slitlamp focus plane Fiber Length 2 m Mounting Direct to Slitlamp housing Safety Filter Fixed filter OD 4 532nm and 670nm Beam Divergence Cone angle of 20 Pattern Scanning Single Line Square 2x2 3x3 4x4 5x5 Macular Arc...

Страница 19: ...80 is a Zeiss clone and uses an illumination source below the viewing path Microscope Galilean Magnification Set 5 Step Drum Rotation Eyepiece 12 5X Magnification Ratio 6X 10X 16X 25X 40X PD Range 48 5 80mm Diopter Adjustment 8 Slit Illumination 6V 20W Halogen Lamp Slit Width 0 14mm Slit Length 1 8 12mm Slit Apertures 0 3 5 5 9 14mm Slit Angles 0 180 Filters Red Free Heat Absorbing Cobalt Blue Mov...

Страница 20: ...tion Always wear laser safety glasses suitable for the 532nm wavelength to protect your eyes Requirements 1 100 230 Volts 50 or 60Hz AC mains power supply with an earth connection This is a single phase outlet capable of delivering up to 400 Watts 2 A motorized stand that the Table provided with the Slit lamp can be fitted to is required if one was not purchased with the Laser system Ensure the Ta...

Страница 21: ...2 and 7 3 of this Operator Manual 7 The Multi Wavelength Pattern Scanning System LightLas 532 670 Laser Console can be relocated easily as it is a portable device When required to be used with the LIO or Endo ocular Probes the Console can be carefully transported to the new surgery location Treat the Laser Console with the same care as should be offered to any precision surgical device When the La...

Страница 22: ...tegrated LDU and Slit lamp Figure 4 2 Portable Carry Cases for Console Upon receiving the system inspect the packing carton for any signs of mishandling which must be reported to the freight handler before the instrument is unpacked If there is damage then the manufacturer reserves the right to decline any warranty claims that may be forthcoming so it is essential that the freight company will tak...

Страница 23: ...l and arm holder The packing checklist is used to confirm the individual layer contents and notify the manufacturer if any discrepancy The motorized table is an optional and may be purchased from the manufacturer 4 3 Tools and Equipment In order to be able to effectively carry out a full initial installation of the Green Laser System the following tools and equipment are required and available fro...

Страница 24: ...d pattern which allows clinician or physician to aim for the appropriate treatment location All the packaging items should be checked accordingly and unpacked carefully from their cartons and carry case Always inspect for any transportation damage and general condition and report any discrepancy or disclaim to freight courier if there is damage System components Multi Wavelength Pattern Scanning S...

Страница 25: ...ith power switch facing outward and slowly tilt and plug in the inter power connectors refer to fig 4 3 and then fasten the eight bolt nuts using packed insert allen key 4 Repeat the above step with right stand Note The power connections need to be facing each other refer to fig 4 4 5 Ensure the correct voltage setting is set correctly as default setting is set at 230VAC refer to fig 4 5a d 6 Unpa...

Страница 26: ...2 670 Service Manual Page 26 Rev No 01 Figure 4 3 Inter power connection left hand side Figure 4 4 Stands with power plugs facing each other Protecting Layer Power plugs Do not over stretch the cabling or connection because it may cause loosen connector ...

Страница 27: ...tem LightLas 532 670 Service Manual Page 27 Rev No 01 Figure 4 5 a Rear view box connection Figure 4 5 b Removal fuse socket Slit lamp power source connection Fixation lamp connection Power source connection Fuse Holder and Voltage Setting ...

Страница 28: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 28 Rev No 01 Figure 4 5 c Removal fuses Figure 4 5 d Removal voltage setting block and reinsert it back upon completion ...

Страница 29: ...ength Pattern Scanning System LightLas 532 670 Service Manual Page 29 Rev No 01 Figure 4 6 Final assembled table top and stands with console bracket attached product up down motor movement Power switch control box ...

Страница 30: ...Unpack all the packaging items from the cartoon box refer to fig 4 7 2 Lay them over the fully assembled table ass y and ensure the location is the final destination and well level 3 Assemble the slit lamp upper arm and lower base housings together by fasten the screw refer to 4 8 4 Carefully position the fully assembled slit lamp ass y over the rail and gently slide through the rails for the smoo...

Страница 31: ...it lamp delivery key plug and power switch key refer to fig 4 13a b 13 Position the arm rest and readjust if applicable refer to fig 4 14 14 Mount the LCD panel holding arm by clamp down to the table top refer to fig 4 15a 15 Load the LCD panel to the arm by fasten the four screws located at the rear of panel and plug in all the appropriate connectors refer to fig 4 15b c Note Do remember the 9 pi...

Страница 32: ...tem LightLas 532 670 Service Manual Page 32 Rev No 01 Figure 4 8 Assembled Upper and Lower Housing Screw Figure 4 9 Final Assembled Upper and Lower Housings Delivery Housing with Truscan integrated Binocular Joystick cabling Housing Screw ...

Страница 33: ...ength Pattern Scanning System LightLas 532 670 Service Manual Page 33 Rev No 01 Figure 4 10 Cabling stuffed underneath of table top s gutter Figure 4 11 a Slit lamp arm ready for delivery housing Chrome Stop screw ...

Страница 34: ...ce Manual Page 34 Rev No 01 Figure 4 11 b Fitting Delivery housing to the Slit lamp and securing it Figure 4 12 Mounting Chinrest ass y and fiber holder and fitting delivery fiber to Truscan aperture Fiber holder clamp Delivery fiber Velcro tie holder Locking screw ...

Страница 35: ...ge 35 Rev No 01 Figure 4 13 a Hang console and plug in all the front panel connections Figure 4 13 b Console Rear End Connections Port 1 Port 2 Delivery Key plug Power source Footswitch connection Interlock key connection Joystick cable connection Scan Delivery LCD connection ...

Страница 36: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 36 Rev No 01 Figure 4 14 Arm rest installed Figure 4 15 a Clamp down the LCD Panel Holder in the middle of the gutter ...

Страница 37: ...532 670 Service Manual Page 37 Rev No 01 Figure 4 15 b Organize the two control panel cablings and ready to fit the LCD Figure 4 15 c Complete securing four holding screws behind the LCD panel and two cablings connected Four holding screws Two cablings ...

Страница 38: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 38 Rev No 01 Figure 4 16 a Software System boot up Figure 4 16 b System Ready to operate ...

Страница 39: ...ed Slit lamp LDU ensure all the corrected installation or setup are in placed including eye piece dioptre setting fiber connection and console setup and on prior to proceed the following steps Slit Integrity Checkout 1 Insert the Slit lamp target rod into the Slit lamp or set up a target to view the Illumination spot 2 Set a narrow slit width with low intensity illumination and verify that the sli...

Страница 40: ... Key fitted to Console Front Panel 2 Ensure the fiber tip head is cleaned by alcohol refer to below figure 5 17b Figure 4 17 b Fiber tips cleaning 3 Verify the aiming beam is being delivered correctly from LIO by shooting against the wall and set a focal distance of 30cm approximately 4 Fit the headpiece onto your head and adjust the two knobs to align the Interpupillary distance 5 Verify illumina...

Страница 41: ...nob 6 Verify the spot size or zoom system is accordingly from smallest to largest size 7 Ensure the different light aperture setting is also functioned accordingly refer to fig 4 17d 8 Ensure aiming spot light is able to tilt in up down position refer to fig 4 17d LIO Intensity Control Knob Light Aperture Setting Control Aiming spot light up down LIO Intensity Control Knob ...

Страница 42: ...doprobes carry by Lightmed are Straight P N 620009 Curved P N 620010 Ensure Endoprobe plug is fitted prior to load to console laser aperture refer to fig 4 18 Figure 4 18 Endoprobe plug installation In addition the Endoprobes are sterilized single use devices so it is not possible to do any testing of them at installation time It is recommended that if the doctor is to use Endoprobes that one unit...

Страница 43: ...cy button interlock plug in and plug in the key into keyhole and turn the key switch for power on the console 4 Validate if there is console establish communication with the LCD without any abnormality or error code process refer to troubleshooting section 8 0 otherwise proceed to next B Console Control Panel and Aiming Integrity Validation 5 Engage the Treat mode validate if system is activated a...

Страница 44: ... 7 3 Enter password 123 and return the Enter key 7 4 Initial the Start button and realign the X or Y axis accordingly 7 5 Repeat the process until it is centered and save the value before exit it and validate again by turning off the console and on Double clicks the LIO Icon Initial realignment process Initial Save Y axis alignment X axis alignment ...

Страница 45: ...is valid then the system is ready to go More detailed screen operation and description refer to operator manual section 4 3 on page 41 E Remote Control Verification Optional Prior to commence the final verification ensure all the corrected setup and equipment are in placed it Accessories Truscan Console Truscan Remote Control Power cord 110 or 220 VAC type Delivery key Slit lamp LIO Endoprobes Foo...

Страница 46: ...e delivery fiber with the large fiber holder end with delivery key attached is connected to the console aperture and the other end is connected to appropriate delivery system refer to fig 4 19a Take special care when preparing the fiber to not stress the cable Hold the connector when removing the protector caps from each end Never pull on the cable or the cable sleeve as the fiber may be damaged R...

Страница 47: ...ng section otherwise proceed to next step 6 Initial the aiming intensity verification test refer to fig 4 21 6 Ensure the safety filter is installed prior trigger and fire the laser 7 Check the output power of the system and ensure it is met the specification requirements according to the section 7 3 of this manual Figure 4 20 a System boot up sequential display 1 Figure 4 20 b System boot up sequ...

Страница 48: ...idate if up down and power switch LEDs lit 2 5 Slit is fully adjustable to closed position 2 6 Reset the columns by pressing down key to the end and columns integrity 2 7 Elevate the column to the max height lower again to validate the table 3 Slit lamp Check 3 1 Illumination lamp control checkout 3 2 Filters control checkout 3 3 Appecture settings control checkout 3 4 Slit centering opening and c...

Страница 49: ...LCD and boot up the system 6 3 Power on the console and establish a communication without error or warming messages 6 4 All patterns functioning integrity validation 6 5 Aiming spot sizes validation 6 6 LCD touch screen integrity 6 7 All controls functioning integrity validation Installers Name ______________________ Date __________________ Distributor Name ______________________ Date ____________...

Страница 50: ...d Driver units Electronic Microprocessor control system Power supply Mains power must be connected to the laser system and LCD control panel display in order for system to have a power be activated first Secondly power on the LCD control panel display first by pressing the power switch located at the bottom of the screen and await for the system to boot up the software prior to proceed to the next...

Страница 51: ...r this type of laser treatment Increasing the laser power and pulse duration will generate more heat and therefore the coagulative effect will be greater If the power or duration of exposure is too high then the surrounding tissue may sustain some damage Therefore a careful selection of the power and pulse duration is essential to a successful treatment Different Types of LDU For the Slit lamp Del...

Страница 52: ...justment zoom system so the losses are the greatest Also when the small spot sizes are selected there may be some aperture of the beam that contributes to the losses When setting up the laser unit for the operation the correct type of Laser Delivery Unit must be connected along with the Delivery Key that accompanies it If no Delivery Key is inserted then the warning message inL dEL will be shown o...

Страница 53: ...blies including Main PCB DC DC PCB Power Supply TEC PCB depending on type of system Cavity Laser Diodes and Fan Module etc More detailed descriptions are explained in the System Component section TruScan Deliver System There are two high and precision motors and interface PCB located in the housing It is where all the different type of patterns are generated through the motor controlling process S...

Страница 54: ... gain a better understanding of the internal workings and functions of the Laser and thereby be able to maintain the unit The System Block Diagram shows the basic subassemblies of the TruScan System The Laser Console incorporates with the LCD software controlling system It provides the user interface and control over the console laser system and produce the laser then distributed through the deliv...

Страница 55: ...w figure there are the major component modules that make up Together these modules convert the Mains voltage into a low voltage supply that is used to drive the Laser Diode that then pumps the Laser cavity and generates the Green Laser beam and Red Aiming beam The Key and subassemblies modules and a basic description of them as follows Figure 5 2 TruScan Console Layout Diagram Legends 1 AC Filter ...

Страница 56: ...ules to generate the necessary low DC voltages that are required to operate the Laser System electronics 2 Heat Sink It provides a cooling off to the laser diode source because there will be heat generated during the activation of laser power 3 Laser Diode 808nm There are two laser diode sources in this particular system One diode is the primary 808nm and the other is the secondary 670nm wavelengt...

Страница 57: ...and the maximum current limit is set at 30 Amps although typically the current is maintained at less than 27 Amps The LD is an ESD sensitive device and this means that no service is to be performed to this part in the field Never disconnect any of the cables from the LD as this may cause irreparable damage to the internal parts Special care should also be observed not to damage the Fiber cable tha...

Страница 58: ...r that may be in the air A block diagram that shows to basic internal functions to the cavity is included earlier in this section After the 532nm beam is produced then it is combined with the Aiming beam and then a small amount of the beam is split off to be used by a detector to sense the output power and form the closed loop constant Power Controller circuit A second detector is used as a failsa...

Страница 59: ...nstantly monitored by the system to ensure their integrity during the misfiring of laser beam The motor voltage specification is 12VDC and nominal applied voltage is around 3 3VDC Two micro switches are acting as the position feedback signal for the system acknowledge The four micro switches signal and motor voltage wirings are connected back to Main PCB Power detector is acting as feedback signal...

Страница 60: ...ments of the relevant standards It provides an auto ranging on the input main voltage between 90 and 240 AC volts and then it can be used to operate the laser unit The voltage is then converted to the necessary low DC voltages that are required to operate the Laser System electronics This Power Supply provides 12 volt DC to operate the TEC s Thermal Electric Coolers then provide temperature contro...

Страница 61: ... as 810 or 670nm system The primary wavelength 532 or 577 PCB is located underneath of the secondary The output of this circuit connects directly to the inputs of the Laser Diode via the 2 large wires The wires are thick in order to ensure there is no voltage drop across them at the high currents On the LIO there is an Illumination lamp that requires a Power source This PCB also combines the LIO i...

Страница 62: ... TECs Power Connector LEDs Indicators 10 Microprocessor chips U18 U19 11 Secondary Detector VR Pot VR3 12 Aiming Intensity VR Pot VR2 13 Input Power Supply Connector 14 Primary Detector VR Pot VR1 15 Detector Sensor Connector CN2 16 Aiming Module Connector CN3 17 Primary Secondary Laser Diode Signal Connectors 18 MCV Download Connector 19 Shutter Connectors Motor_1 to _4 20 Truscan Motor Download ...

Страница 63: ...this manual The output signals for TruScan motors are located at CN22 and CN9 CN22 is the motor encoder signal and CN9 is the motor driver signal CN9 is an analog signal Shutter motors are controlled the optical passage diversion The controlled signals are interfaced through Motor_1 Motor_2 Motor_3 and Motor_4 connectors The operating voltage is 5VDC but normally is limited to only 3 3VDC max for ...

Страница 64: ...nge from 0 4 5 VDC When aiming intensity is turned on to max value the voltage can be measured at TP11 and TP12 from 1 25 to 1 35VDC The VR2 is the aiming intensity recalibration adjustment The aiming intensity circuit is controlled by changing resistance Aiming operating voltage is from 0 to 1 35VDC and they are divided into ten levels of scale where voltage will distribute according to the inten...

Страница 65: ...ed to remove it from the Console and locate the unit close to where the Doctor is operating All the controls fully operate in either situation The Remote Control is attached to the Console by way of a 1 5 meter cable that plugs into the Console underneath the top lid of the Console All the controls and displays are as specified in the Main product specification In the Remote Control is a second CP...

Страница 66: ...e the Microscope housing is a large mirror that reflects the output beam from the Zoom Housing into the Objective lens where it is then focused to the focal plane This mirror is connected to a mechanical linkage that is called the Micromanipulator The Micromanipulator joystick is located directly below the Binoculars and enables the doctor to adjust the position of the Laser beam within the field ...

Страница 67: ... to ensure that the Laser focus is accurately set to the Slitlamp system focus Therefore at the smallest spot size of 50 microns this smallest spot should be clearly seen at its smallest size The focus is set using the stop screw at the front part of the Microscope housing There are other adjustments that are inside the Microscope housing 2 small screws can be adjusted in order to set the Microman...

Страница 68: ...y the doctor is done using a Control knob that can change the vertical alignment of the Laser beam to the Illumination spot This gives the Doctor the ability to reach outer areas peripheral regions of the Retina The LIO is always used with a Laser lens The Doctor will hold the laser lens close to the patient s eye and use the lens to both accurately control the position of the Laser beams and also...

Страница 69: ...ng in the base The fixing screws can be loosened then rotate the housing and check at the 300mm focus length When it is set correctly then the fixing screws can be tightened Endoprobes Endoprobe Diagram The Endoprobes are sterilized disposable items that are used for invasive treatments within the eye structure There are no serviceable parts on them and if the packaging is opened outside a non ste...

Страница 70: ...onents of console system Before performing any of these repair procedures be sure you have used the troubleshooting procedures in Section 9 of this manual to properly isolate the instrument s problems Repair Notes Before removing any module part ensure the power is always turned off and power cord disconnected Ensure the statics wrist band is always worn prior to removing any laser diodes since th...

Страница 71: ...e the PCB out from underneath of platform Note It may take a while to remove it due to a tight space Installation 1 Gently and slowly slide in and reseat it 2 Reconnect all the connectors and verify them carefully prior to power on Note Do not remove the platform since you may require to realign the entire optical system 3 Ensure there is no loosen connections and close up the cover top 4 Power on...

Страница 72: ...laser diode thick wirings Note Do remember to ground or short out the two thick wirings of laser diode 3 Installation 1 Gently reset the back the new PCB and secure the screws 2 Reconnect all the connectors and verify them carefully prior to power on Note Ensure the two thick wires are firmly secured 3 Ensure there is no loosen connections and close up the cover top 4 Power on and validate the sys...

Страница 73: ...blings due to ESD sensitive laser diode 4 Disconnect the power supply connector 5 Remove the power supply securing screws 6 Note Ensure all the power are turned off prior the starting the dissembling Installation 1 Gently reseat the power supply and secure the power supply screws 2 Reconnect the connector and reassemble back the DC DC Main PCB and verify all the wiring connections carefully prior ...

Страница 74: ...ole power system Prior to the commencement of this procedure it is assumed that the power calibration of the affected unit has not met the specification Performing this procedure will calibrate or reset the all the factors of the laser system Equipments Tools required Calibration Delivery Key Interlock Connector Calibrated Laser Power Meter Fiber Holder Extension Safety Goggle for this specified s...

Страница 75: ...cured surface area and elevate it by placing an elevation block 3 Remove the console cover and plug in the Footswitch Interlock connector Key Fiber Extension Holder and Calibration Key 4 Set up the power meter and place the external power detector sensor approximately 3 4cm from the laser aperture with Fiber Extension Holder attached to Port 1 5 Turn on the LCD and wait for the LIGHMED logo screen...

Страница 76: ...nd power to 50mW Note Ensure the factor values in 50mW is at 1 00 since this will affect the slope linearity of 50mW range 8 Enable the Treat mode and then fire the laser 9 Measure the output power from the laser aperture Port 1 and validate if the meter readout to be 25mW 20 then proceed to next step Otherwise move to the next level calibration max Double Clicks with ...

Страница 77: ...ctor values in 2000mW is at 1 00 since this will affect the slope linearity of 2000mW range 14 Fire the laser and validate if the meter readout to be 1000mW 20 then proceed to next step Otherwise to next stage detector calibration 15 Locate the potentiometer VR1 on LC7900 DC DC Main Power PCB 16 Adjust the VR1 either in clockwise for decreasing process or counterclockwise for increasing process un...

Страница 78: ...00mW 20 Enter Power Parameter mode 21 Select the power interval 100mW and engage Treat mode 22 Fire the laser and validate if the meter readout is 50mW 20 if so proceed to step 25 otherwise proceed to next step 23 Increase or decrease power factor o o5 and fire the laser to validate again 24 Ensure the meter readout to be close as 50mW 20 Port 1 Port 2 ...

Страница 79: ... by 1 2 due to 50 duty cycles criteria i e 150mW preset value 75mW actual ideal power meter output value 26 Save all the values when calibration is finished in Port 1 27 Repeat all the process step 20 to step 26 for Port 2 and reallocate the meter detector to Port 2 Note Do all the software calibration for all power ranges 50mW to 2000mW through this procedures only for Port 2 Do not forget to eng...

Страница 80: ...e vs the system detecting values so that both values can be accordingly consistent Prior to commence the process the power calibration process must complete or calibrate All the connections and set up are in place 1 Activate the Detector Parameter and ensure the 532 system is selected it 2 Set Duration and Interval time to 0 05s and power to 50mW Detector Parameter 50mW Level Activation Button Tre...

Страница 81: ...0 from the start up before calibration begins 5 Fire the laser and ensure the meter value to be 25mW 20 If not proceed to next otherwise proceed to Software Calibration process 6 Adjust VR1 on ML7100 Master CPU PCB Ass y and ensure the Detector VAL value to be close as to power meter as possible 7 Repeat the above process until the value reaches to 25mW 20 This detector value to be close as to pow...

Страница 82: ...til value is matched 12 Repeat the same process step 8 to step 11 for power range from 100 to 2000mW for Port 1 13 Save all the values when they are all finished and proceed to next stage 670nm calibration process 14 Repeat the same process step 8 to step 11 and power range from min to max for Port 2 and reallocate the detector to Port 2 Note Do all the software calibration for all power ranges 50...

Страница 83: ...ce area and elevate it by placing an elevation block 3 Remove the console cover and plug in the Footswitch Interlock connector Key Fiber Extension Holder and Calibration Key 4 Set up the power meter and place the external power detector sensor approximately 3 4cm from the laser aperture with Fiber Extension Holder attached to Port 1 5 Turn on the LCD and wait for the LIGHMED logo screen to be popp...

Страница 84: ... the factor values in 50mW is at 1 00 since this will affect the slope linearity of 50mW range 8 Enable the Treat mode and then fire the laser 9 Measure the output power from the laser aperture Port 1 and validate if the meter readout to be 25mW 20 then proceed to next step Otherwise move to the next level calibration max 10 Locate the potentiometer VR2 on RD7900 DC DC Main Power PCB Activate 670 ...

Страница 85: ...pe linearity of 100mW range 14 Fire the laser and validate if the meter readout to be 50mW 20 then proceed to next step Otherwise to next stage detector calibration 15 Locate the potentiometer VR1 on RD7900 DC DC Main Power PCB 16 Adjust the VR1 either in clockwise for decreasing process or counterclockwise for increasing process until the output power is approximately 50mW 20 17 Repeat the same p...

Страница 86: ...et value 75mW actual ideal power meter output value F Software Calibration for All Different Power Range 100 to 700mW 20 Enter Power Parameter mode and ensure the system wavelength is set at 670 21 Select the power interval 100mW and engage Treat mode 22 Fire the laser and validate if the meter readout is 50mW 20 if so proceed to step 25 otherwise proceed to next step Activate 670 ...

Страница 87: ...alidate again 24 Ensure the meter readout to be close as 20 Note The preset power value is divided by 1 2 due to 50 duty cycles criteria i e 150mW preset value 75mW actual ideal power meter output value 25 Repeat the same process step 21 to step 25 for other different power levels energy 100mW to 700mW 26 Save all the values when calibration is finished it ...

Страница 88: ...er value vs the system detecting values so that both values can be accordingly consistent Prior to commence the process the power calibration process must complete or calibrate All the connections and set up are in place 16 Activate the Detector Parameter and ensure the 670 system is selected it 17 Set Duration and Interval time to 0 05s and power to 50mW Detector Parameter 50mW Level Activation B...

Страница 89: ... from the start up before calibration begins 20 Fire the laser and ensure the meter value to be 25mW 20 If not proceed to next otherwise proceed to Software Calibration process 21 Adjust VR3 on ML7100 Master CPU PCB Ass y and ensure the Detector VAL value to be close as to power meter as possible 22 Repeat the above process until the value reaches to 25mW 20 This detector value to be close as to p...

Страница 90: ...ivate power level 100mW and engage the Treat mode 25 Fire the laser and validate if the Detector VAL value is 50mW 20 26 Increase or decrease the power factor by 0 02 and recheck if the value matches to actual power meter reading and repeat the same process until value is matched 27 Repeat the same process step 8 to step 11 for power range from 50 to 700mW 28 Save all the values when they are all ...

Страница 91: ...vity Temperature ______________ Checked by ___________________ Date ___________________________ Displayed Power LCD or Remote Panel Meter Reading Measurement actual meter reading Detected Power Detected Current 50 mW 25 mW 20 100 mW 50 mW 20 200 mW 100 mW 20 300 mW 150 mW 20 400 mW 200 mW 20 500 mW 250 mW 20 600 mW 300 mW 20 700 mW 350 mW 20 800 mW 400 mW 20 900 mW 450 mW 20 1000 mW 500 mW 20 1500...

Страница 92: ..._________ Laser Diode Temperature _______ Cavity Temperature ______________ Checked by __________________ Date ___________________________ Displayed Power LCD or Remote Panel Meter Reading Measurement actual meter reading Detected Power Detected Current 50 mW 25 mW 20 100 mW 50 mW 20 200 mW 100 mW 20 300 mW 150 mW 20 400 mW 200 mW 20 500 mW 250 mW 20 600 mW 300 mW 20 700 mW 350 mW 20 ...

Страница 93: ...re the console Double click the LIO icon and enter the pass code 777 Place a target rod Initial Treat mode and validate if the aiming is located at the center of the slit if not proceed to next step otherwise move to next section Initial the Fine Tuning step only Press Origin Calibration icon to initial the process Note Do not save any value if you not certain or are in doubt Do not zero or reset ...

Страница 94: ...ge 94 Rev No 01 Move the x or y axis position until the aiming spot is approximately in the center location Save the value and exit the realignment mode Power on the console again and validate if the position is centered otherwise repeat the above process until it is centered ...

Страница 95: ... is used to realign the aiming position is totally out of order It means that the aiming is not in the center of target rod or out of the field of view Power on the LCD touch screen first before the console Double click the LIO icon and enter the pass code 777 Swing the LCD panel toward to the back of the patience side Double Clicks 777 ...

Страница 96: ...ing Cover Procedure Place the target rod Initial Treat mode and ensure there is aiming light coming through the deliver fiber Initial the calibration by pressing Start Calibration icon and validate if the motors position is initializing the home position or turning Coarse Tuning Process Y axis alignment X axis alignment Initial Calibration Save function Treat Mode Activation ...

Страница 97: ...and move on to Y axis Note Do not over the motor axis position if do power down and up console again or rotate the position once more Place a white piece of paper over in front the objective lens aperture for better view of the current aiming location refer to below picture Note Bring the aiming spot as close to target rod center as possible Save the value and power down and up the console for val...

Страница 98: ...eed to Fine tuning process for further minor tuning process Cover up the Y axis motor housing and LCD arm return to its origin position Note Do not save anything if you not sure or revise any value Do not zero or reset the motor configuration it will destroy the motor position Do the calibration in the restart process or cold state ...

Страница 99: ...ty process position It means that when you have the aiming in straight either in x or y axis position then it is required to realign Power on the LCD touch screen first before the console Double click the LIO icon and enter the pass code 777 Place the target rod Initial Treat mode and activate the x axis or y axis icon to validate if the aiming spot still at the center position refer to below pict...

Страница 100: ...y distributed in either direction refer to fig 7 1 to 7 2 Save the value and exit the recalibration program Validate if the stability realignment process is finished by pressing the 5 x5 square matrix Note Do not attempt to save any value if you are uncertain or in doubt Ensure the spots stability and spacing are evenly distributed aiming Figure 7 1 Y Axis Pattern Screen Shot Figure 7 2 X Axis Pat...

Страница 101: ...he LCD touch screen first before the console Double click the LIO icon and enter the pass code 777 Place a target rod Initial Treat mode and rotate the zoom pc from smallest spot size first refer to figure xx Press the corresponding spot its respectively spot size in the control box Repeat the spot sizes from the smallest to largest spot sizes 50 to 1000 um Save the value when process it is throug...

Страница 102: ...sity illumination and verify that the slit is focused and that the two slit lines are aligned together for the Integrated Delivery Unit Slit lamp If not align proceed to following steps Unscrew the upper slit alignment screw slightly or lower slit alignment depending on your preference refer to fig 7 3 Unscrew the upper slit alignment screw slightly or lower slit alignment depending on your prefer...

Страница 103: ...or to realignment process A Aiming VR intensity Adjustment Equipment Tools required Power Meter with aiming detector VR pot adjuster Allen key 2 0mm Safety goggle for 670nm Deliver Fiber Power down the console and open up the cover ass y Gently remove the optical platform cover ass y Set the aiming intensity to max level Measure the aiming intensity at laser aperture with fiber attached to it The ...

Страница 104: ...cturer If at any time you have concerns about any aspect of the Operation Calibration or Alignment of the Laser System you are urged to contact the authorized representative or the manufacturer in order to decide on a suitable course of action Refer to Section 9 of this Manual for particular National requirements of EU Countries 8 1 Operator User Maintenance The following procedures are those that...

Страница 105: ...ure that can be found in Section 8 of this manual The beams should always be centered together because they are delivered together by an optical fiber At the Target site focal plane it is also necessary to make sure the beams are centered and focused in the center of the Illuminated spot There are adjustment screws for the Slit lamp LDU and for the LIO the Optics housing can be rotated to adjust t...

Страница 106: ... Laser Console as the the front panel indicator will show the correct unit is attached 2 Set the remote controls panel setting to 50 duty cycle which the pulse interval and pulse duration both set to 0 05 sec 3 Set the system to READY mode and aim the output Aiming beam at the center of the Power Meter detector with the spot size at around 5mm diameter or 50 of the active detector area 4 Set the L...

Страница 107: ...rized distributor must be contacted and the Laser System calibration adjusted according to the procedure in the Service manual 9 Be sure to complete the record sheet and keep the copy in the system records 10 This system throughput check should be performed at least once a year to ensure the o p power performance is within the specified accuracy 8 4 Transmission Rechecking Process 1 In one of Slit...

Страница 108: ...and 500mW respectively and repeat step 2 to step 6 8 Please contact the manufacturer if the result in step 6 is much lower than 80 with a brand new fiber Transmission Checking Record Sheet Power Meter Model _________________ Serial Number ____________________ Checked by ________________________ Date _____________________________ Delivery Key type ___________________________________________________...

Страница 109: ...suggested corrective actions are explained as following Symptom s Cause s Remedy action s No power no display Power failure Remote control panel connector not connected Check the power source or connector Check the power fuses Check the emergency button is outward ON position If the problem persists call the authorized service or manufacturer for further assistance No lamp illumination SD only No ...

Страница 110: ... the laser power Fiber is damage READY mode is not activated Output power not selected Laser cavity decayed Electronics malfunction Check the fiber integrity by replacing a new one Activate the READY mode Selected the specified power If the problem persists call the authorized service or manufacturer for further assistance ...

Страница 111: ...e Multi Wavelength Pattern Scanning System LightLas 532 670 can interface either with LCD stationery or remote control model setup and a completed listing of system warnings and the suggested corrective actions are detailed as following A LCD Control Display Warning System Warning Message Corrected Actions ...

Страница 112: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 112 Rev No 01 ...

Страница 113: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 113 Rev No 01 ...

Страница 114: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 114 Rev No 01 ...

Страница 115: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 115 Rev No 01 ...

Страница 116: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 116 Rev No 01 ...

Страница 117: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 117 Rev No 01 ...

Страница 118: ...rized service or manufacturer for further assistance inL con Footswitch not connected Check if the footswitch is connected Check footswitch integrity If the problem persists call the authorized service or manufacturer for further assistance inL dEL Delivery key not connected Improper Delivery key connected Check if the delivery key is plugged in all the way Check delivery key integrity or correspo...

Страница 119: ...ystem cannot be used when an error message is displayed If an error message is regularly shown on the system display then a service person must check the Laser system and make adjustments where possible Under no circumstances should unauthorized or untrained personnel attempt repairs Refer to the warranty conditions for further details The error codes of the Lightlas system can be classified as 3 ...

Страница 120: ...turer for further assistance Err 5041 Laser Diode Temperature Out of Tolerance 2 5C Ambient temp is too high or low which causes the laser laser temp TEC unable to reach the stable or preset value within 5 mins Reboot the system If the problem persisted call the authorized service or manufacturer for further assistance Err 5042 Laser Sensor Failure Laser sensor failure opened or shorted sensor Pow...

Страница 121: ...ose within 1s Check the safety filter moving operation Reboot the system or call the authorized service or manufacturer for further assistance Err 5071 System Time Up Error The system stop running for 1ms Reboot the system Call the authorized service or manufacturer for further assistance Err5072 Communication Error No communication between the panel control and console CPU Reboot the system Call ...

Страница 122: ...hile the duty cycle is set off Call the authorized service or manufacturer for further assistance Err 5123 No Power or The measured o p laser power is less than 10mW while the duty cycle is set off Call the authorized service or manufacturer for further assistance Err 5123 Power Photodiode Sensor Error Power photodiode sensor failure Call the authorized service or manufacturer for further assistan...

Страница 123: ...Us for the whole system 10 2 Preparations Equipment Requirement MSP FET430UIF kit including MSP430 CD ROM MSP FET430UIF USB to JTAG Emulation Interface USB cable type A B 14 conductor cable PC or Laptop System Requirement Window XP or above 10 3 Driver Software Downloading Procedures Access the website http www elprotronic com download html and download the CSO14x01 or Flash Programmers for TI s M...

Страница 124: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 124 Rev No 01 Execute the downloading process Wait till the process finished it ...

Страница 125: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 125 Rev No 01 Unzip the file ...

Страница 126: ...em LightLas 532 670 Service Manual Page 126 Rev No 01 10 4 Software Installation Procedures A Window 7 version or above Execute the Setup file and Click the I agree term Step through all below procedures until the installation completed it ...

Страница 127: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 127 Rev No 01 ...

Страница 128: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 128 Rev No 01 ...

Страница 129: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 129 Rev No 01 ...

Страница 130: ...as 532 670 Service Manual Page 130 Rev No 01 B Window XP Version Execute the Setup file and Click the I agree term Step through all below figures Configure the path to be C Program Files IAR Systems Embedded Workbench 4 0 430 drivers TIUSBFET WinXP ...

Страница 131: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 131 Rev No 01 ...

Страница 132: ...ightLas 532 670 Service Manual Page 132 Rev No 01 10 5 Configuration Procedures Plug in the MSP FET430UIF including the cable and execute the program icon Click the Setup menu and open up the Memory Option Ensure below configuration are set up ...

Страница 133: ...rn Scanning System LightLas 532 670 Service Manual Page 133 Rev No 01 Open up the Setup menu and then Connection Device Reset Validate if the below configuration are set up correctly End of configuration and exit the program ...

Страница 134: ...in Open up the console and locate the MCU1 socket and then plug in Power on the console and configure the download file by Open Code File icon Retrieve the file MCU1 from your destination or stored area Choose the microcontroller group to be MSP430F1xx and MSP430F169 Execute AUTO PROG icon for the downloading process begins Programming initialization Group Selection Specific type selection File re...

Страница 135: ...ng Power down the console and open up the remote control rear cover Connect the MSP FET430UIF to the back of remote control Retrieve the file REMOTE_Vxx from your destination or stored area Ensure the microcontroller group is set at MSP430F1xx and MSP430F169 Power up the console and remote control plug in Execute AUTO PROG icon for the downloading process begins Cycle the power when it is finished...

Страница 136: ...ontained in this manual is not serviced according to the instructions and procedures contained in the manual is subjected to misuse negligence or accidents is not installed according to the manufacturer instructions is connected to or used with accessories or spare parts that are not and have not been tested and approved by the Manufacturer The obligation of this warranty shall be limited to the r...

Страница 137: ... 600023 Endo Probes Straight 20Gages Part Number PD720 10 Endo Probes Curved 20 Gages Part Number PD720 20 Endo Probes Curved 23 Gages Part Number PD723 10 Endo Probes Curved 23 Gages Part Number PD723 20 Endo Probes Curved 25 Gages Part Number PD725 10 Endo Probes Curved 25 Gages Part Number PD725 20 Straight Endo Probes Illuminate Part Number PD723 30A Curved Endo Probes Illuminate Part Number P...

Страница 138: ...ivery Fiber 2 meters long Part Number SD5000 Delivery Fiber without key Part Number SD5001 Delivery Fiber Assembly For LIO 3 meters long Part Number LK6000 Remote Interlock Connector Part Number LCA180 Attention The accessories are passive do not emit laser radiation and depend on the main device ...

Страница 139: ...C T E C 1 2 3 4 CN18 T E C 1 2 3 4 P 2 thermistor TEC 2 1 2 3 4 CN17 T E C 1 2 3 4 P 3 thermistor TEC 3 FAN 2 1 2 3 4 CN13 FAN control 1 2 3 4 CN22 joystic 4 3 2 1 8 6 7 5 delivery key Power Supply 12V 18A AC Filter PCB AC Line in 100V 240V Optical control module Aimming connection 1 2 3 4 5 6 7 8 CN8 delivery key 1 2 3 4 5 6 CN21 motor_4 1 2 3 4 5 6 CN12 motor_2 1 2 3 4 5 6 CN20 motor_3 1 2 3 4 C...

Страница 140: ...Multi Wavelength Pattern Scanning System LightLas 532 670 Service Manual Page 140 Rev No 01 ...

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