Samsung M540 Service Manual
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Samsung M540 Service Manual

Samsung M540 Service Manual

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See also: Manual Del Usuario
SERVICE
MICROWAVE OVEN
SEAU
MICROWAVE OVEN
M540
Manual
Defrost
1
2
3
4
5
6
7
8
9
0
8. PCB Diagrams
CONTENTS

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Summary of Contents for Samsung M540

  • Page 1: Table Of Contents

    MICROWAVE OVEN M540 SERVICE Manual MICROWAVE OVEN CONTENTS 1. Precaution 2. Specifications 3. Operating Instructions 4. Disassembly and Reassembly 5. Alignment and Adjustments Defrost Power Clock Level Pause Start Cancel 6. Troubleshooting 7. Exploded Views and Parts List 8. PCB Diagrams 9.

  • Page 2: Precaution

    16. Always connect a test instrument's ground lead to the instrument chassis ground before 10. Service technicians should remove their connecting the positive lead; always remove watches while repairing an MWO. the instrument's ground lead last. Samsung Electronics...

  • Page 3: Specifications

    (Use a screwdriver.) 3. High voltage is maintained within specified limits by close-tolerance, safety-related components and adjustments. If the high voltage exceeds the specified limits, check each of the special components. Fig. 1-1. Discharging the High Voltage Capacitor Samsung Electronics...

  • Page 4: Specifications

    2. Specifications 2-1 Table of Specifications TIMER 99 MINUTES 99 SECONDS POWER LEVEL ON TIME OFF TIME POWER SOURCE 240V 50Hz, AC M540 POWER CONSUMPTION MICROWAVE : 100W 4 sec 26 sec 120W 7 sec 23 sec OUTPUT POWER FROM 60 TO 600W (10 LEVEL POWER)

  • Page 5: Operating Instructions

    3. Operating Instructions 3-1 Control Panel Defrost Power Clock Level Pause Start Cancel M540 3-2 Features & External Views Ventilation Slot Light Door Safety Interlock Holes Defrost Control Panel Door Latches Power Clock Level Pause Start Cancel Open Door Push Button...

  • Page 6: Disassembly And Reassembly

    4-2 Replacement of High Voltage Transformer 1. Discharge the high voltage capacitor. 2. Disconnect all the leads. 3. Remove the mounting bolts. 4. Reconnect the leads correctly and firmly. Screws H. V. Trans Samsung Electronics...
  • Page 7 1. Insertion depth of the thin metal plate should be 0.5mm or less. 4-3-3 Removal of Key Door & Spring Remove pin hinge from Door "E" Detach spring from Door "E" and key door. Door "E" Key Door Samsung Electronics...

  • Page 8: Replacement Of Fuse/Drive Motor

    Base Plate Drive Motor Cover 8. Connect all the leads to the drive motor. 9. Screw the deive motor cover to the base plate with a screw driver. 10. Remount the coupler in the correct position. Samsung Electronics...
  • Page 9 3. When installing new membrane key board, Membrane make sure that the surface of escutcheon base is Panel cleaned sufficiently so that any problems (shorted contacts or uneven surface) can be avoided. Samsung Electronics...

  • Page 10: Alignment And Adjustments

    3. Before touching any oven components or wiring, always unplug the oven from its power source and discharge the high voltage capacitor. 5-1 High Voltage Transformer 1. Remove connectors from the transformer terminals Filament Terminals and check continuity. 2. Normal resistance readings are as follows: MODEL M540 Secondary Approx. 135W Filament Approx.0W Primary Approx.1.75W...

  • Page 11: High Voltage Capacitor

    ¥ Primary switch ¥ Monitor switch (COM-NC) 5. Confirm that the gap between the switch ¥ Monitor switch (COM-NO) housing and the switch actuator is no more than ¥ Door Sensing S/W 0.5mm when door is closed. Samsung Electronics...
  • Page 12 5. After heating for 2 minutes, measure the water temperature in each beaker. 6. Microwave heat distribution rate can be calculated as follows: Minimum Beaker Temperature Rise Heat Distribution = X 100(%) Maximum Temperature Rise The result should exceed 65%. Cooking Tray Samsung Electronics...

  • Page 13: Power Level

    2) If the radiation leakage is more than 4 mW/§† after determining that all parts are in good condition, functioning properly and the identical parts are replaced as listed in this manual notift that fact to ; SAMSUNG ELECTRONICS AUSTRALIA UNIT G 10-16 SOUTH ST...

  • Page 14: Troubleshooting

    H.V.Transformer component test procedure and replace if it is H.V.Capacitor defective. H.V.Diode, H.V.Fuse Magnetron 4. Open or loose wiring of power relay 5. Defective primary latch switch 6. Defective power relay or Ass'y PCB Replace PCB main. Samsung Electronics...
  • Page 15 Use plastic wrap or cover with a lid. Stir once or twice while cooking foods such as soup, cocoa, or milk. Noise from the turntable motor Noise may result from the motor. Replace turntable motor. when it starts to operate. Samsung Electronics...

  • Page 16: Exploded Views And Parts List

    7. Exploded Views and Parts List 7-1 Exploded Views Samsung Electronics...

  • Page 17: Main Parts List

    THERMOSTAT;CS-7S(100/60)187Y 250V7.5A 10 DE71-60309A COVER-WAVE GUIDE;PP(TB53) 15G WHT MU3250 DE39-20042A ASSY POWER CORD;KKP-550A/B206 0.75/3C 25 DE61-50340A BRACKET-MOUNTING;SECC T0.8 W20 L266.2 MU DE39-40603A ASSY WIRE HARNESS-A;240V/50HZ M540/XSA DE64-40063B DOOR-C;PP(A353) GE/WHT MU3250W DE64-40176A DOOR-FILM;PE-FILM MU3250W T0.15 W248.5 L DE92-50076C ASSY DOOR-E;MU3250W COATING GE-WHT DE67-20065E SCREEN-DOOR;PC-SHEET T0.5 W345 L185.5 GE...

  • Page 18: Standard Parts List

    ASSY NOISE FILTER;DNA-1018D-1(C) 250V 10 DE39-30074B ASSY WIRE LEAD-C;L170 DE34-10139D SWITCH-MEMBRANE;PET 240V/50HZ W87.5 L121 DE93-20022E ASSY BODY LATCH;M530/M540 NYLON#66(2021S ASSY DOOR;BUTTON GE-WHT M530/M540 SEAU ASSY CONTROL-BOX;240V/50HZ M540/XSA SEAU DE93-30413A ASSY CONTROL-PANEL;240V/50HZ M540/XSA SE DE61-50128A BRACKET-COVER MOTOR;SGCC1-Z T0.8 W122 L9 7-3 Standard Parts List Parts No.
  • Page 19 8. P.C.B Diagrams 8-1 P.C.B Diagrams HD 404222 Samsung Electronics...
  • Page 20 CON3 3711-000881 CONNECTOR-HEADER;SMW250-03,WHT,BOX,3P 1R CON1 A4106-0154 DIODE-ZENER;TZP5.1B 5.1/5.7V 40MA T 1W DE07-20079A LED DISPLAY;LTC4618GKC GRN PI2.54 DE09-30557A IC-MCU;HD404222SD99SI 2K DIP M540 IC01 DE13-20009A IC;KA7533 DIP DE13-20017A IC-DRIVE;KID65003AP DIP 16P STICK TR-ARR DE26-20001A TRANS-L.V-;CE6245STC AC230V 50HZ 11V DE39-60001A WIRE-SO COPPER;PI0.6 SN T 52MM TAPING_WI...

  • Page 21: Schematic Diagrams

    : DRIVE MOT OR R Y1 : MA I N R ELA Y R Y2 : POW ER RE LAY MAGNETRON HIGH VOLTAGE DIODE TO CHASSIS HIGH VOLTAGE CAPACITOR H.V.FUSE SYMBOL COLOR ORANGE BROWN BLUE HIGH VOLTAGE TRANSFORMER Samsung Electronics...

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