Lincoln Electric ASPECT 300 Service Manual
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Lincoln Electric ASPECT 300 Service Manual

Lincoln Electric ASPECT 300 Service Manual

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SVM 2051
Rev.01 02-2015
ASPECT™ 300
For use with machines having code numbers: 52105
LINCOLN ELECTRIC EUROPE
www.lincolnelectric.eu
Page 0

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  • Page 1 SVM 2051 Rev.01 02-2015 ASPECT™ 300 For use with machines having code numbers: 52105 LINCOLN ELECTRIC EUROPE www.lincolnelectric.eu Page 0...

  • Page 2: Table Of Contents

    INDEX OF CONTENTS TECHNICAL SPECIFICATIONS AND ACCESSORIES ................... 2 INSTALLATION AND OPERATOR INSTRUCTIONS ..................4 MAINTENANCE ............................... 20 MAJOR COMPONENTS LOCATION ......................22 THEORY OF OPERATION ..........................23 TROUBLESHOOTING AND REPAIR SECTION .................... 30 CASE COVER REMOVAL AND DC BUS CAPACITOR DISCHARGE PROCEDURE ........34 EMC FILTER BOARD TEST ..........................

  • Page 3: Technical Specifications And Accessories

    TECHNICAL SPECIFICATIONS AND ACCESSORIES ASPECT™ 300 INPUT Input Voltage U EMC Class Frequency 230 - 400Vac ± 15% 50/60 Hz Input Line Mode 100% Input Amperes I PFmax 1max STICK 10.3kW 8.8 kW TIG DC 8.8kW 6.4 kW 4.8kW 230Vac 27.4 A 0.94 STICK AC...
  • Page 4 Failure to follow the instructions in this manual could cause serious personal injury, loss of life, or damage to this equipment. Read and understand the following explanations of the warning symbols. Lincoln Electric is not responsible for damages caused by improper installation, improper care or abnormal operation.

  • Page 5: Installation And Operator Instructions

    SAFETY MARK: This equipment is suitable for supplying power for welding operations carried out in an environment with increased hazard of electric shock. EQUIPMENT WEIGHT OVER 30kg: Move this equipment with care and with the help of another person. Lifting may be dangerous for your physical health. CYLINDER MAY EXPLODE IF DAMAGED: Use only compressed gas cylinders containing the correct shielding gas for the process used and properly operating regulators designed for the gas and pressure used.
  • Page 6 It is important to check these conditions because many engine Connect the torch cable to driven generators produce high voltage spikes. Operation of the torch terminal of this machine on engine driven generators not conforming to machine and the work these conditions is not recommended and may damage the clamp to the work piece machine.
  • Page 7 Rear Panel Controls and Operational Features A. Power Switch: It Machine Start-Up: turns ON / OFF the When the machine is turned ON an auto-test is executed. input power to the The Machine is ready to operate when on the Front Control machine.
  • Page 8 NOTE: Pressing the button assigned to process POLARITY • TIG mode: in Local and remote mode the output of will toggle the illumination of the icon between DC & AC the machine is OFF. A Trigger is necessary to polarity. enable the output.
  • Page 9 To enable Expert mode: Operating Amperage: Sets the • Push the AC WAVESHAPE button twice: The amperage for all welding process permitted. AUTO icon will start to blink and the display will show the message AUTO ON. • Turn the encoder to select AUTO OFF Final Slope: Sets the time in •...
  • Page 10 OPERATION: This knob is also a multi-purpose command: see the “Operating Instruction” section for a description of how to use 1.) Press Memory button to highlight “Memory Save” icon; this command for parameter selection. 2.) Turn Control Knob to Select memory location; 3.) Press and hold memory button for 3 seconds.
  • Page 11 Operating Instruction For default the polarity is DC+. To change in DC- see menu operation section. DC Stick (SMAW) Welding To start DC Stick welding process: See menu B to change value of hot start and arc force. 1.) Set polarity AC Stick Welding 2.) To select Stick welding: To start AC Stick welding process:...
  • Page 12 3 seconds; if the arc is not started in this time limit, the trigger sequence must be restarted. Tig Welding Sequences Without welding operation at each pressure of SEL push NOTE: The HF start strength is adjusted to the tungstensize button, it’s possible to flow through sequencer and set and type, which can be selected in menu A.
  • Page 13 Press and hold the TIG torch trigger to start the sequence If the torch trigger is released during the upslope time the as described above. arc will stop immediately and the output of the machine is turned OFF. Release the TIG torch trigger to start the downslope. During this time press and hold the TIG torch trigger to Release the TIG torch trigger to stop welding.
  • Page 14 As shown here, after the As shown here, after the TIG torch trigger is TIG torch trigger is quickly pressed and quickly pressed and released from step 3A, it released from step 3A, it is is possible to press and possible to press and hold hold the TIG torch trigger the TIG torch trigger...
  • Page 15 List of parameters and Factory stored programs Displayed parameter Displayed value name Selectable Value Range Function Factory Configuration Default Current selected Preflow 0 - 25s (step 0.1s) value (s) Current selected STRT Starting Current 10 – 200 % (step 1%) value (%) Current selected Initial slope...
  • Page 16 Advance menu Menu A To enter into Menu A see section Menu, descriped above Menu A Displayed parameter name Displayed value Selectable Value Range Function Factory Configuration Default 0.5mm (0.02”) 1mm (0.04”) 1.6mm (1/16”) Current selected Tungsten Size 2.4mm (3/32“) 2.4mm (3/32”) value (mm) 3.2mm (1/8”)
  • Page 17 Menu B To enter into Menu B see section Menu, descriped above Menu B Displayed parameter name Displayed value Selectable Value Range Function Factory Configuration Default SOFT: 35% 0 – 75% (step 1%) Current selected FRCE Arc Force value (%) CRISP: 75% 75 –...
  • Page 18 Menu C To enter into Menu C see section Menu, descriped above Menu C Displayed Displayed parameter name value Selectable Value Range Function Factory Configuration Default Current selected UNIT Units mm / INCH value (s) Current selected HOUR Arc Time 105 hours value (hour) Current selected...
  • Page 19 starting parameters can be modified by selecting MANL for LED Brightness/Intensity the TSTR (Tig Starting Parameters) option in Menu C. User can change polarity, By this option is possible to select the intensity of the LEDs present in the user interface: three level can be selected by the user.
  • Page 20 If any electromagnetic disturbances are detected the operator must put in place corrective actions to eliminate these disturbances with, if necessary, assistance from Lincoln Electric. The Class A equipment is not intended for use in residential locations where the electrical power is provided by the public low-voltage supply system.

  • Page 21: Maintenance

    MAINTENANCE WARNING INPUT DC BUS CAPACITORS DISCHARGE PROCEDURE Remove input power to the ASPECT™300 ELECTRIC SHOCK can kill Remove the cover following the instruction available in this Service manual. Have an electrician install and service this equipment Check the voltage across the two terminals. Voltage Turn the input power off at the fuse box before working on should be zero.
  • Page 22 ROUTINE MAINTENANCE THERMAL PROTECTION Keep the welding area around the machine clean and Thermal detection device protect the machine from free of combustible materials. No debris should be excessive operating temperatures. Excessive temperatures allowed to collect which could obstruct air flow to the may be caused by a lack of cooling air or operating the machine machine beyond the duty cycle and output rating.

  • Page 23: Major Components Location

    MAJOR COMPONENTS LOCATION ASPECT™ 300 1. Mains switch 7. IGBT Board 2. Gas solenoid valve 8. HF Board 3. Fan and Fan1 9. Input control Board 4. Right side:Buck/Boost Board, Caps Board and 10. Input Power Board Inverter Board 11. UI and Control Board 5.

  • Page 24: Theory Of Operation

    THEORY OF OPERATION ASPECT™300 - SCHEMATIC DIAGRAM code 52105 Page 23...
  • Page 25 INPUT GENERAL DESCRIPTION Buck/Boost Power Board. The Buck/Boost Power The ASPECT™300 is an inverter based welding Board houses a soft-start circuit consisting of a 100 power source that offers multi-mode (TIG DC, TIG AC ohm resistor and a DC relay. Initially the DC relay is STICK DC and STICK AC) constant current welding.
  • Page 26 INVERTER-OUTPUT TRANSFORMER AND OUTPUT DIODE PCB INVERTER, OUTPUT TRANSFORMER AND OUTPUT DIODE PCB The 400VDC created by the Buck/Boost Board and The main transformer insulate the primary circuit from filtered by the DC bus capacitors is applied to an IGBT the secondary circuit and reduces the high voltage controlled full wave bridge inverter that is located on (low current) input applied to the primary winding and...
  • Page 27 OUTPUT BOARD, IGBT BOARD AND HF BOARD OUTPUT BOARD, IGBT BOARD The OUTPUT board provides the managing signals output of the machine can be either DC positive, DC and the insulated power supply for the driver of the negative or AC. Output IGBT module.
  • Page 28 CONTROL AND USER INTERFACE BOARD CONTROL AND USER INTERFACE BOARD To generate the wished DC waveform ( like, pulse , The User Interface board houses the control panel, upslope, downslope,…). LEDs, push buttons, encoder and functions as the Control Board and User interface communicate via interface between the user and the ASPECT™300 serial bus.
  • Page 29 Excessive temperature may be caused by a lack of OVERLOAD PROTECTION cooling air or by operating the machine beyond the duty cycle and output rating. If excessive operating ASPECT™300 is electrically protected from producing temperature should occur, the Thermal LED indicator higher than normal output currents.
  • Page 30 INSULATED GATE BIPOLAR TRANSISTOR (IGBT) Drawing B shows the IGBT in an active mode. OPERATION When the gate signal, a positive DC voltage relative to the source, is applied to the gate An IGBT is a type of transistor. IGBTs are terminal of the IGBT, it is capable of conducting semicon-ductors well suited for high frequency current.

  • Page 31: Troubleshooting And Repair Section

    TROUBLESHOOTING AND REPAIR SECTION How to use troubleshooting Guide Troubleshooting Guide Case cover removal and capacitor discharge procedure EMC Filter Board test Input Rectifier test Buck/Boost Board test Input Power board test Input Control board test Inverter board resistance and voltage test Output board test Output Diode board resistance test IGBT board resistance test...
  • Page 32 HOW TO USE TROUBLESHOOTING GUIDE Service and repair should be performed by only Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 33 WARNING NOTE: Allow the machine to heat up so that all electrical components can reach their operating temperature. 5. Remove the replacement PC board and ELECTRIC SHOCK can kill substitute it with the original PC board to recreate the original problem. Have an electrician install and service this •...
  • Page 34 TESTS* CONTROL BOARD This tests and repair should only be performed by Lincoln Electric Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this...

  • Page 35: Case Cover Removal And Dc Bus Capacitor Discharge Procedure

    DISCHARGE PROCEDURE WARNING Service and repair should be performed only by Lincoln Electric factory trained personnel.Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 36 ASPECT™300 - CASE COVER REMOVAL Procedure: 1. Turn ON/OFF switch to OFF position. 2. Disconnect Input Power from the machine ! 3. Remove the 16 screws of the rear and front plastic handle (8xA & 8xB) 4. Remove the 10 screws from the right and left side of the machine (C). 5.
  • Page 37 DC BUS CAPACITORS DISCHARGE PROCEDURE WARNING INPUT DC BUS CAPACITORS DISCHARGE PROCEDURE Remove input power to the ASPECT™300 ELECTRIC SHOCK can kill Remove the cover following the instruction available in this Service manual. Have an electrician install and service this equipment Check the voltage across the two terminals.

  • Page 38: Emc Filter Board Test

    EMC FILTER BOARD TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 39 EMC FILTER BOARD TES (continued) AC3_0 AC1_0 AC2_0 Figure 2 – W05X1471 – EMC FILTER BOARD TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Remove main input power to the ASPECT™300 2. Perform the Case removal and Discharge procedure 3.

  • Page 40: Input Rectifier Test

    INPUT RECTIFIER TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 41 INPUT RECTIFIER TEST (continued) DC + DC - Figure 3 – Input Rectifier Bridge location and Test Points TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Remove main input power to the ASPECT™300. 2. Perform the Case removal and Discharge procedure 3.

  • Page 42: Buck/Boost Board Test

    BUCK/BOOST BOARD TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 43 BUCK/BOOST BOARD TEST (continued) BUCK/ BOOST Board Figure 4 – W05X0982 BUCK/BOOST Board location IND2 DCIN- R6, test point 1 IND1 DCIN+ R6, test point 2 Relay Coil – (D6) Figure 5 – W05X0982 BUCK/BOOST Board Test points Page 42...
  • Page 44 BUCK/BOOST BOARD TEST (continued) TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Remove main input power to the ASPECT™300. 2. Perform the Case removal and Discharge procedure 3. Locate the Buck/Boost board on the right side of the machine. See Figure 4. 4.

  • Page 45: Input Power Board Test

    INPUT POWER BOARD TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 46 INPUT POWER BOARD TEST (continued) INPUT POWER Board Figure 6 – W05X1461 INPUT POWER Board location JIP4 JIP1 JIP3 JIP6 JIP5 JIP2 JIP7 Figure 7 – W05X1461 INPUT POWER Board Test Points Page 45...
  • Page 47 INPUT POWER BOARD TEST (continued) TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Remove main input power to the ASPECT™300. 2. Perform the Case removal and Discharge procedure 3. Locate the Input Power Board on the upper left side of the machine. See Figure 6. 4.

  • Page 48: Input Control Board Test

    INPUT CONTROL BOARD TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 49 INPUT CONTROL BOARD TEST (continued) INPUT CONTROL Board Figure 8 – W05X1460 INPUT CONTROL Board location JIP_S JIP_W JIP_P Figure 9 – W05X1460 INPUT CONTROL Board Test Points Page 48...
  • Page 50 INPUT CONTROL BOARD TEST (continued) TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Remove main input power to the ASPECT™300. 2. Perform the Case Removal and Discharge procedure 3. Locate the Input Control Board on the upper right side of the machine. See Figure 8. 4.
  • Page 51 Correct input voltage applied to the machine 400Vac or LD3 ON LD3 OFF= undervoltage condition 230Vac green LD3 blinking= overvoltage condition Dip Switch bank - DS1 = For ASPECT 300 European Version all dip switches must be in OFF position Page 50...

  • Page 52: Inverter Board Resistance Test

    INVERTER BOARD RESISTANCE TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 53 INVERTER BOARD RESISTANCE TEST (continued) Connector for thermostat TH1 4 IGBT modules located under the inverter printed circuit Resistor R4 Figure 10 – W05X1327-3 INVERTER Board Test Points TEST PROCEDURE 1. Remove main input power to the ASPECT™300 2. Perform the Case removal and Discharge procedure 3.

  • Page 54: Inverter Board Voltage Test

    INVERTER BOARD VOLTAGE TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 55 INVERTER BOARD VOLTAGE TEST (continued) Figure 11 – INVERTER Board Test Points TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Carefully apply 400Vac +/- 15% or 230Vac-3ph +/-15% to the ASPECT™300 2. Turn the machine input switch to ON position, and wait till the power LED on front panel is steady green. 3.

  • Page 56: Output Board Test

    OUTPUT BOARD TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 57 OUTPUT BOARD TEST (continued) OUTPUT Board Figure 12 – OUTPUT board location Figure 13 – W05X1527 OUTPUT Board Test Points TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Remove main input power to the ASPECT™300 2. Perform the Case removal and Discharge procedure 3.
  • Page 58 OUTPUT BOARD TEST (continued) 6. Carefully apply 400Vac +/- 15% or 230Vac-3ph +/-15% to the ASPECT™300 7. Turn the machine input switch to ON position, and wait till the power LED on front panel is steady green. 8. Perform the tests detailed in Test Table 10. See Figure 13 for Test Point locations: Test table 10 –...

  • Page 59: Output Diode Board Resistance Test

    OUTPUT DIODE BOARD RESISTANCE TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 60 OUTPUT DIODE BOARD RESISTANCE TEST (continued) OUTPUT DIODE Board Figure 14 – W05X1523 OUTPUT DIODE board location Figure 15 – W05X1523 OUTPUT DIODE board test points Page 59...
  • Page 61 OUTPUT DIODE BOARD RESISTANCE TEST (continued) TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Remove main input power to the ASPECT™300 2. Perform the Case removal and Discharge procedure 3. Locate the Output Diode board on the left side of the machine. See Figure 14. 4.

  • Page 62: Igbt Board Resistance Test

    IGBT BOARD RESISTANCE TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 63 IGBT BOARD RESISTANCE TEST (continued) IGBT Board Figure 16 – W05X1524 IGBT board location E1/C2 Figure 17 – W05X1524 IGBT board test points Page 62...
  • Page 64 IGBT BOARD RESISTANCE TEST (continued) TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Remove main input power to the ASPECT™300 2. Perform the Case removal and Discharge procedure 3. Locate the IGBT board on the left side of the machine. See Figure 16. 4.

  • Page 65: Hf Board Test

    HF BOARD TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 66 HF BOARD TEST (continued) HF Board Figure 18 – W05X1331 HF board location HV & HV-RTN to Input (to the HF transformer) control Board Figure 19 – W05X1331 HF board test points Page 65...
  • Page 67 HF BOARD TEST (continued) TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Carefully apply 400Vac +/- 15% or 230Vac-3ph +/-15% to the ASPECT™300 2. Turn the machine input switch to ON position and wait till the power LED on front panel is steady green. 3.

  • Page 68: Control Board And User Interface Test

    CONTROL BOARD AND USER INTERFACE TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty.
  • Page 69 CONTROL BOARD AND USER INTERFACE TEST (continued) Control and User Interface Boards Figure 20 – W05X1462 and W05X1529 Control and User Interface boards location to remote connector to torch trigger connector used Figure 21 – W05X1462 CONTROL boards test points Pin9 Pin10 Pin1...
  • Page 70 CONTROL BOARD AND USER INTERFACE TEST (continued) TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Remove main input power to the ASPECT™300. 2. Perform the Case Removal and Discharge procedure 3. Locate the Control and UI boards on the upper side of the machine front panel. See Figure 20. 4.

  • Page 71: Gas Solenoid Test

    GAS SOLENOID TEST WARNING Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 72 GAS SOLENOID TEST (continued) solenoid terminals TEST PROCEDURE Use always electrically insulate gloves during this test procedure 1. Carefully apply 400Vac +/- 15% or 230Vac-3ph +/-15% to the ASPECT™300 2. Turn the machine input switch to ON position, and wait till the power LED on front panel is steady green. 3.

  • Page 73: Disassembly Operations

    DISASSEMBLY OPERATIONS EMC FILTER BOARD REMOVAL AND REPLACEMENT PROCEDURE WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL Figure 23 REMOVAL PROCEDURE !! During performing the following steps...
  • Page 74 DISASSEMBLY OPERATIONS 3 PHASES INPUT RECTIFIER BRIDGE REMOVAL AND REPLACEMENT PROCEDURE WARNING Disconnect input power before servicing. Do not operate with covers removed. DC+ and DC- Do not touch electrically live parts. Only qualified persons should install, use cables ELECTRIC SHOCK or service this equipment.
  • Page 75 DISASSEMBLY OPERATIONS BUCK/BOOST BOARD REMOVAL AND REPLACEMENT PROCEDURE WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL IND2 DCIN - IND1...
  • Page 76 DISASSEMBLY OPERATIONS BUCK/BOOST BOARD REMOVAL AND REPLACEMENT PROCEDURE (continued) WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL Figure 26 7.
  • Page 77 DISASSEMBLY OPERATIONS CAPS BOARD REMOVAL AND REPLACEMENT PROCEDURE WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL DC+_I DC-_I Figure 27...
  • Page 78 DISASSEMBLY OPERATIONS INVERTER BOARD REMOVAL AND REPLACEMENT PROCEDURE WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL Figure 28 REMOVAL PROCEDURE !! During performing the following steps...
  • Page 79 DISASSEMBLY OPERATIONS INVERTER BOARD REMOVAL AND REPLACEMENT PROCEDURE (continued) WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL Figure 29 10.
  • Page 80 DISASSEMBLY OPERATIONS INPUT POWER BOARD REMOVAL AND REPLACEMENT PROCEDURE WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL JIP3 JIP6 JIP1...
  • Page 81 DISASSEMBLY OPERATIONS INPUT CONTROL BOARD REMOVAL AND REPLACEMENT PROCEDURE WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL JIP_W JIP_P JIP_S...
  • Page 82 DISASSEMBLY OPERATIONS OUTPUT BOARD REMOVAL AND REPLACEMENT PROCEDURE WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL LBG1 LBG2 DC_POS...
  • Page 83 DISASSEMBLY OPERATIONS OUTPUT BOARD REMOVAL AND REPLACEMENT PROCEDURE (continued) WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL Figure 33 9.
  • Page 84 DISASSEMBLY OPERATIONS OUTPUT DIODE PCB REMOVAL AND REPLACEMENT PROCEDURE WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL VD22 VD11 Figure 34...
  • Page 85 DISASSEMBLY OPERATIONS OUTPUT DIODE PCB REMOVAL AND REPLACEMENT PROCEDURE (continued) WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL Figure 35 9.
  • Page 86 DISASSEMBLY OPERATIONS IGBT PCB AND IGBT MODULE REMOVAL AND REPLACEMENT PROCEDURE WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL Figure 36 REMOVAL PROCEDURE...
  • Page 87 DISASSEMBLY OPERATIONS IGBT PCB AND IGBT MODULE REMOVAL AND REPLACEMENT PROCEDURE (continued) WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL Figure 37 8.
  • Page 88 DISASSEMBLY OPERATIONS IGBT PCB AND IGBT MODULE REMOVAL AND REPLACEMENT PROCEDURE (continued) WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL Flat Washer...
  • Page 89 DISASSEMBLY OPERATIONS CONTROL BOARD REMOVAL AND REPLACEMENT PROCEDURE WARNING Disconnect input power before servicing. Do not operate with covers removed. Plastic Do not touch electrically live parts. Only qualified persons should install, use snap in ELECTRIC SHOCK or service this equipment. CAN KILL standoff Figure 40...
  • Page 90 DISASSEMBLY OPERATIONS USER INTERFACE BOARD AND LIGHT GUIDE REMOVAL AND REPLACEMENT PROCEDURE WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL Control knob...
  • Page 91 DISASSEMBLY OPERATIONS HF BOARD REMOVAL AND REPLACEMENT PROCEDURE WARNING Disconnect input power before servicing. Do not operate with covers removed. Do not touch electrically live parts. Only qualified persons should install, use ELECTRIC SHOCK or service this equipment. CAN KILL HV-RTN Figure 44 Figure 45...

  • Page 92: Retest After Repair

    RETEST AFTER REPAIR Should a machine under test be rejected for any reason requiring the removal of any mechanical part that could affect the machine’s electrical characteristics, or if any electrical components are repaired or replaced, the machine must be retested.

  • Page 93: Calibration Procedure

    CALIBRATION PROCEDURE Calibration must be done every time the control board is replaced! NOTE: the external reference voltmeter must to be connected as close as possible to output dinses to minimize the difference in reading between internal meter and external instrument. Note: during calibration the menu LED is lit on during all the process.

  • Page 94: Electrical Schematics

    ELECTRICAL SCHEMATICS Block Diagram : ASPECT™ 300 code 52105 Page 93...

  • Page 95: Note

    NOTE Page 94...

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