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Cynosure Acclaim 7000, Техническое руководство

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Apogee Elite/Apogee 5500/Acclaim 7000

850-1257-000, Rev. 2

Page 17 of 70

Technical Guide

High Voltage Subsystem and Flashlamp Drive Circuit

The high voltage subsystem stores the electrical energy in a eight capacitor, 900-volt,
10-kilojoule energy source and delivers it to the flashlamps. This subsystem is comprised of the
HVPS, the capacitor bank or the pulse forming network (PFN) and the IGBT. See 

Figures 4A

and 4B

.

WARNING: Exercise extreme caution while working in the high voltage subsystem. High
voltage may be present at any time! Electrical shock or burns can occur. Limit access to
factory-trained personnel.

Figure 4A–High Voltage Subsystem, Apogee Elite

Figure 4B–High Voltage Subsystem, Apogee 5500/Acclaim 7000

Содержание Acclaim 7000

Страница 1: ...Elite Apogee 5500 Acclaim 7000 Technical Guide Doc 850 1257 000 REVISION HISTORY Rev ECO Description Approved by Date 1 n a First Draft J Boll 3 04 2 n a Replaced calibrating the Cal Port section J Bo...

Страница 2: ......

Страница 3: ...Apogee Elite Apogee 5500 Acclaim 7000 Long Pulse Infrared Lasers TECHNICAL GUIDE...

Страница 4: ...This technical guide is intended for both U S and International distribution 2004 Cynosure Inc All rights reserved Document 850 1257 000 Rev 2 4 04...

Страница 5: ...uipment 11 Hand Tools 11 Electrical Equipment 12 Optical Equipment 12 Miscellaneous Equipment 12 Section 3 LASER DESCRIPTION 13 Main Components 13 Figure 2A System Block Diagram Apogee Elite 13 Figure...

Страница 6: ...re 8C Resonator Rail Apogee 5500 Acclaim 7000 Top View 27 Delivery System 28 Trigger Switches 28 Figure 9 Delivery System 28 Cal Port 29 Figure 10 Cal Port Assembly 29 Coolant Circulation System 30 Fi...

Страница 7: ...gee Elite Nd YAG 46 Inspecting the Beam Combiner Glass Removing the Holder 46 Replacing the Beam Combiner Glass 46 Replacing the Glass Only Apogee Elite 46 Replacing the Glass Only Apogee 5500 Acclaim...

Страница 8: ...Acclaim 7000 Lasers 58 Calibration Procedure Apogee Elite Lasers 59 Section 12 SERVICE PROCEDURES FINAL CHECK 61 Final Check Procedure 61 Section 13 TROUBLESHOOTING 63 Troubleshooting 63 Operational F...

Страница 9: ...Page 5 of 70 Technical Guide Glossary of Symbols and Abbreviations The following international symbols and abbreviations may be used on the Apogee Elite Apogee 5500 Acclaim 7000 laser system and or in...

Страница 10: ...Page 6 of 70 850 1257 000 Rev 2 Cynosure Inc This page has been intentionally left blank...

Страница 11: ...omers on the repair of Cynosure equipment over the telephone Any servicing of Cynosure equipment by individuals who have not completed a current Cynosure training program for that equipment will void...

Страница 12: ...nce criteria The complete service manual 850 1257 100 includes a comprehensive drawing set and procedures that will aid in the understanding of salient mechanical and electrical assemblies in addition...

Страница 13: ...ls serious and permanent damage to the eyes can occur when there is direct or even indirect optical exposure WARNING These lasers produce laser light each time the flashlamps fire Do not look directly...

Страница 14: ...only appropriate probes or insulated tools Become familiar with the electrical schematics and layout of the system before attempting to service the laser If the AC must be connected during service rou...

Страница 15: ...Water Hazard The laser system uses a hot water system to maintain the laser medium at 65 C This water is very hot and could cause scalding Do not perform any maintenance on the water system while hot...

Страница 16: ...Alexandrite lasers 5 5 O D at 1064 nm min for the Nd YAG lasers Laser energy power meter with carbon head OPHIR AN2 F250A HL SH Detector or equivalent calibrated for 755 nm 1064 nm operation Older Sci...

Страница 17: ...e case of the Apogee Elite laser system A source of pump energy the inert gas filled flashlamps An optical resonator the front partial reflector and rear 100 reflector A control system the system cont...

Страница 18: ...Page 14 of 70 850 1257 000 Rev 2 Cynosure Inc Figure 2B Block Diagram Apogee 5500 Acclaim 7000...

Страница 19: ...tage direct current A software controlled low voltage analog signal is used to set the appropriate HVPS output voltage level during laser operation When enabled the power supply charges the capacitor...

Страница 20: ...ccur with a short such as a flashlamp or another capacitor shorting to ground Capacitor Bank WARNING High Voltage Danger The capacitor bank stores dangerous voltage and energy levels during laser oper...

Страница 21: ...delivers it to the flashlamps This subsystem is comprised of the HVPS the capacitor bank or the pulse forming network PFN and the IGBT See Figures 4A and 4B WARNING Exercise extreme caution while work...

Страница 22: ...e flashlamps When turned on a ground path from the capacitor bank through the flashlamps to the of the capacitor bank is completed allowing current to flow See Figure 5 diagram The IGBT used in the Ap...

Страница 23: ...he flashlamps glass envelope Once breakdown is achieved a low power DC current from the simmer board is maintained through the simmer ballast resistor allowing continuous current flow through the lamp...

Страница 24: ...Page 20 of 70 850 1257 000 Rev 2 Cynosure Inc Figure 6 IGBT Plate Assembly...

Страница 25: ...r Control Board The laser control board includes the microcontroller as well as the digital and analog circuits to control laser operation The Control PCB for all three lasers is the same Jumpers are...

Страница 26: ...oard through U17B It monitors IGBT faults and status through DR1 6 and 7 Temperature Control Circuit A solid state temperature sensor measures the water temperature U20C converts the temperature to a...

Страница 27: ...gths The Alexandrite rod ends are coated for maximum and partial reflectivity 755 nm There are no external optics required for lasing action The Nd YAG rod has an anti reflective AR coating 1064 nm at...

Страница 28: ...Page 24 of 70 850 1257 000 Rev 2 Cynosure Inc Figure 8A Resonator Rail Apogee Elite...

Страница 29: ...rror The Apogee 5500 Acclaim 7000 beam combiner see Figures 8B and 8C reflects the aiming LED so that it is coincident with the laser beam onto the proximal end of the delivery fiber Aiming Source LED...

Страница 30: ...Page 26 of 70 850 1257 000 Rev 2 Cynosure Inc Figure 8B Resonator Rail Apogee 5500 Acclaim 7000 Isometric View...

Страница 31: ...Apogee Elite Apogee 5500 Acclaim 7000 850 1257 000 Rev 2 Page 27 of 70 Technical Guide Figure 8C Resonator Rail Apogee 5500 Acclaim 7000 Top View...

Страница 32: ...for firing the laser as well as an electrical means of providing identification of the spot diameter to the laser control system Refer to Figure 9 for an overview of delivery system components Trigger...

Страница 33: ...t and debris This window should be cleaned periodically to ensure consistent and accurate measurement of laser energies When the handpiece is inserted into the cal port two series wired micro switches...

Страница 34: ...lite defaults to Nd YAG laser mode which requires no warm up period Level switches located in the upper reservoir are used to provide water level status information to the systems control electronics...

Страница 35: ...be performed by factory trained authorized personal only Facility environmental and electrical requirements are outlined in the Operator s Manual The Installation Procedure details the proper installa...

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Страница 37: ...t as necessary Flushing of the coolant system and replacement of the deionizer cartridge Inspect plumbing and tube fittings for leaks Inspection and replacement of the air filter Calibration verificat...

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Страница 39: ...ystem With the laser off allow the dump resistors to dissipate the energy in the pulse forming network s capacitors to a safe level approximately 45 seconds Monitor the voltage on the capacitors with...

Страница 40: ...he rear of the laser that attach each side panel to the laser 2 Slide each panel toward the rear of the laser and then lift panel off of the laser Removing the SMA Access Panel 1 Unscrew the plastic S...

Страница 41: ...ions as outlined in the Operator s Manual Resonator Performance A separate performance standard for each laser has been established for the resonator output In order to meet the system performance cri...

Страница 42: ...protective eyewear serious eye injury can occur 1 Turn off laser if laser is on 2 Disconnect the fiber by unscrewing the fiber from the handpiece and unscrewing the SMA connector from the laser 3 Usi...

Страница 43: ...the handpiece lenses by sighting down the barrel A handpiece in good working order provides a clear unobstructed view through the lens See examples below Dirty Lenses Unacceptable Clean Lenses Good 4...

Страница 44: ...Page 40 of 70 850 1257 000 Rev 2 Cynosure Inc This page has been intentionally left blank...

Страница 45: ...combiner focusing lens and fiber alignment as detailed in Checking and Replacing the Focusing Lens on page 44 and in the Final Test and Calibration Procedure If no damage is found continue this test s...

Страница 46: ...ed to the pump chamber 5 For Nd YAG lasers remove the maximum reflector mount and dust tube and set them aside 6 Slide the front dust tube forward into the safety shutter mount 7 Remove the four 8 32...

Страница 47: ...as detailed on page 44 8 Reverse this section for installation of lamps and pump chamber CAUTION Do not handle the flashlamps with bare fingers Skin oils can damage the quartz envelope of the lamp Al...

Страница 48: ...cking and Replacing the Focusing Lens IMPORTANT At each service call the focusing lens must be inspected 1 Verify that the laser is off 2 Access the resonator as described on page 36 3 Remove the two...

Страница 49: ...pressed air to aid in the inspection If any damage is noted remove the optic with the mount and clean it 2 Clean the optic carefully using methanol and a lens tissue or cotton swab If the optic cannot...

Страница 50: ...spect the beam combiner glass for any damage and replace the glass if necessary Make sure that the new glass is installed in the same orientation Replacing the Beam Combiner Glass CAUTION Verify calib...

Страница 51: ...entation 5 Reverse above steps for installation 6 Verify alignment of the aim LED and then realign if necessary 7 Verify the energy monitor and if necessary recalibrate as described in the Final Test...

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Страница 53: ...0 nuts that hold the display PCB or the eight 4 40 nuts that hold the membrane switch PCB to the front panel plate 7 Replace the PCB by reversing the above steps Replacing and Calibrating the Control...

Страница 54: ...items 6 Loosen and remove the flat head screw that attaches the shelf of the main capacitor to the chassis This will allow the shelf to swing to the side slightly allowing the supply to pass by the c...

Страница 55: ...Replacing the Voltage Selection PCB 1 Disconnect the laser from the wall 2 Disconnect all wire connectors from the PCB 3 Remove the four mounting screws from the central portion of the PCB 4 Replace...

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Страница 57: ...t underneath the laser for this purpose only Draining the Water 1 Place a pan under the front of the laser under the stainless steel quick disconnect 2 Snap a mating 3 8 quick disconnect fitting into...

Страница 58: ...r chassis Remove the pump and tank assembly 6 Unwind the manifold from the pump outlet at the black PVC elbow Remove the manifold 7 Unwind the tank assembly from the pump inlet 8 Clean all pipe thread...

Страница 59: ...m the tank 2 Unplug P37 from the temperature sensor 3 Unscrew the temperature switch from the tank 4 Wrap the threads of the new temperature sensor with Teflon tape 5 Install the new temperature senso...

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Страница 61: ...optical sensor receives the laser light incident on it and produces an electrical signal proportional to the absorbed optical pulse energy The signal is amplified and calibrated at the Laser Control...

Страница 62: ...ndow clean to ensure proper calibration Failure to keep the Cal Port Window clean may result in incorrect Energy Meter calibration For Apogee 5500 lasers use the 10 mm handpiece For the Acclaim 7000 l...

Страница 63: ...Port displayed on the computer screen agrees with actual measured power Make note of TP3 final voltage at which Cal Port was set 4 Make note of the PFN voltage at which the Cal Port was set 5 Select a...

Страница 64: ...meter calibration in the operator s software program Calibrate and verify each pulse width listed in the appropriate Cal Port Accuracy Verification Report If the results lie outside of 90 110 recalibr...

Страница 65: ...released back to a customer Final Check Procedure NOTE If a laser fails a step record the discrepancy on a Service Repair Report as well as the corrective action taken 1 Verify that the system contai...

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Страница 67: ...witches in cal port replace if necessary W03 No Lamp Simmer Press Standby If lamps are not simmering in Standby Mode check that both lamps flicker If not check lamps and simmer circuit If lamps are si...

Страница 68: ...is below 50 Verify resonator performance and or transmission level W17 Check Fiber and Handpiece Energy measured at monitor but not at cal port when required Verify fiber transmission W18 Fluence Mete...

Страница 69: ...utter Fault Press Standby Press Standby Key E03 Shutter Fault Press Standby Press Standby Key E04 Fuse Open Call Service Press Standby Key E04 Fuse Open Call Service Press Standby Key E06 Power Up Che...

Страница 70: ...played Correct any conditions as indicated by fault messages Laser will not go into Standby Mode Standby Key not activated or not working Press Standby Key Laser will not enter Ready Mode Operator swi...

Страница 71: ...following section is for setting up HyperTerminal the first time only Other RS232 terminal programs should be setup using the same parameters HyperTerminal Setup 1 Start HyperTerminal program from st...

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Страница 73: ...Apogee Elite Apogee 5500 Acclaim 7000 850 1257 000 Rev 2 Page 69 of 70 Technical Guide Appendix B Calibration Form...

Страница 74: ...Page 70 of 70 850 1257 000 Rev 2 Cynosure Inc This page has been intentionally left blank...

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