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Samsung G-643C Service Manual

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SAMASUNG
G-643C
MODEL
SERVICE MANUAL

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Summary of Contents for Samsung G-643C

  • Page 1 SAMASUNG G-643C MODEL SERVICE MANUAL...

  • Page 2: Specifications

    30 sec 0 sec 2-2 Comparison Chart MODEL G643C FEATURE MORE/LESS ¡ AUTO COOK/DISH ¡ AUTO DEFROST ¡ TIME COOK ¡ POWER LEVEL ¡ INSTANT COOK ¡ MEMORY ¡ BOOST ¡ CHILD LOCK CLOCK ¡ GRILL ¡ COMBI Samsung Electronics...

  • Page 3: Control Panel

    Auto Auto lbs. Control Panel 10min Door Latches 1min 10s. 1 min + G643C Open Door Push Button Glass Plate Metal Rack Guide Roller Auto Auto lbs. 10min 1min 10s. 1 min + G643C 203mm 356.5mm 489mm 361mm Samsung Electronics...

  • Page 4: Disassembly And Reassembly

    4-1 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. H. V. Trans Screws Samsung Electronics...

  • Page 5: Replacement Of Door Assembly

    1. Insertion depth of the thin metal plate should be 0.5mm or less. 4-3-4 Removal of Key Door & Spring Remove pin hinge from Door "E" Detach spring from Door "E" and key door. Door "E" Key Door Spring Samsung Electronics...

  • Page 6: Reassembly Test

    1. Take out the outer panel ceramic 2. Disconnect the connectors from the heater ceramic Heater Bracket Upper and wire leade. 3. Remove screws securing the bracket upper to the oven cavity. 4. Remove one screw securing the bracket heater. Screw Bracket Heater Samsung Electronics...

  • Page 7: Replacement Of Control Circuit Board

    3. When installing new membrane key board, make sure that the surface of escutcheon base is cleaned sufficiently so that any problems Membrane (shorted contacts or uneven surface) can be Panel avoided. Samsung Electronics...

  • Page 8: Alignment And Adjustments

    2. Isolate the magnetron from the circuit by disconnecting its leads. 3. A continuity check across the magnetron filament terminals should indicate one ohm or less. 4. A continuity check between each filament terminal and magnetron case should read open. Cooling Fins Samsung Electronics...

  • Page 9: High Voltage Capacitor

    ∞ procedures. 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 10: Output Power Of Magnetron

    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 11: Procedure For Measurement Of Microwave Energy Leakage

    ; CENTRAL SERVICE CENTER 5-13-2 At least once a year have the microwave energy survey meter checked for accuracy by its manufacturer. Samsung Electronics...

  • Page 12: 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 13 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 14: Exploded Views And Parts List

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

  • Page 15: Main Parts List

    M 34 DE74-70071B RACK-WIRE;MSWR3 PI3 PI230 HI80 SNC2 M 35 DE39-30097B WIRE LEAD-G;L100 MBQ45 GRILL M 36 DE61-50323B BRACKET-UPPER;ALSTAR T0.6 W385 L205 G643C M 37 DE27-10020A COIL MC CHOKE;TC 101 : Warning : Option Parts :Electrostatically Sensitive Devices Samsung Electronics...

  • Page 16: Control Parts List

    ASSY CONTROL-PANEL;S-DESIGN P/WHT G643/M643 7-5 Body Latch Parts List Ref. No. Parts No. Description/Specification Q'ty Remarks DE66-90001A LEVER-SWITCH;P.O.M (F20-02) 2 6 NTR 2ND-W-P/ 3405-000178 SW-MICRO;250V, 15A, 200gf,SPST-NO 3405-000175 SW-MICRO;250V, 15A, 200gf,SPST-NO 3405-000178 SW-MICRO;250V, 15A, 200gf,SPST-NO DE66-40001A LATCH-BODY;POM (F20-02) 40GR NTR Samsung Electronics...

  • Page 17: Standard Parts List

    SCREW-ASSY TAPTITE;PH TC M4X8 SWRCH18A ZPC2 CV/TCO DE60-10098A SCREW-ASSY TAPTITE;PH TC M4X8 SWRCH18A ZPC2 MWM-PN DE60-10098A SCREW-ASSY TAPTITE;PH TC M4X8 SWRCH18A ZPC2 MO/DRI DE60-10088A SCREW-TAP PH;PH M3 L8 FEFZY PLAIN DE60-10088A SCREW-TAP PH;PH M3 L8 FEFZY PLAIN DE02-00029A TAPE-SCOTCHPAR;PPOLYESTER 3M-893 W50 TR-CUS Samsung Electronics...
  • Page 18 8. P.C.B Diagrams 8-1 P.C.B Diagrams Samsung Electronics...

  • Page 19: Parts List

    A4060-0009 TR-W/RESISTOR;KSR2005 300MW -100MA -50V EBP TR09 A4106-0154 DIODE-ZENER;TZP5.1B 5.1/5.7V 40MA T 1W ZD01~03 A6010-0461 CONNECTOR-WAFER;YW396-04V WHT CN04 DE13-20009A IC;KA7533 DIP IC02 DE39-60001A WIRE-SO COPPER;PI0.6 SN T 52MM J01~28 DE60-60012A PIN-EYELET;ID2.1 OD2.5 L3.0 SN BSP T0.25 SN E1~8 Samsung Electronics...

  • Page 20: Schematic Diagrams

    SYMBOL COLOR DOOR : P.C.B PATTERN BROWN MAIN POWER INRUSH GRILL SENSING BLUE : P.C.B IN/OUT RELAY RELAY RELAY RELAY SWITCH L.V.T ORANGE POINT WHITE BLACK YELLOW DOOR SENSING MONITOR PRIMARY GREEN LATCH LATCH SWITCH YELLOW/GREEN SWITCH SWITCH Samsung Electronics...

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