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Samsung MW7592W Service Manual

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  Summary of Contents for Samsung MW7592W

  • Page 1: Table Of Contents

    MICROWAVE OVEN MS5796W / MS7796W SERVICE Manual CONTENTS MICROWAVE OVEN 1. Precaution 2. Specifications 3. Operating Instructions 4. Disassembly and Reassembly 5. Alignment and Adjustments 6. Troubleshooting 7. Exploded Views and Parts List 8. PCB Diagrams 9. Schematic Diagrams...
  • Page 2 (e) A Microwave leakage check to verify compliance with the Federal performance standard should be performed on each oven prior to release to the owner. Samsung Electronics...
  • Page 3: Precaution

    10. Service technicians should remove their 16. Always connect a test instrument's ground watches while repairing an MWO. lead to the instrument chassis ground before connecting the positive lead; always remove the instrument's ground lead last. Samsung Electronics...
  • Page 4: Specifications

    PRECAUTION with the oven energized. Servicemen should remove their watches whenever DO NOT measure the voltage in the high voltage circuit working close to or replacing the magnetron. including filament voltage of magnetron. Samsung Electronics...
  • Page 5: Specifications

    (W) x 11 11/16 (H) x 14 29/32 ( 21 (W) x 12 5/16 (H) x 16 21/32 (D)) NET WEIGHT 35.3 lbs. ( 38.6 lbs. ) SHIPPING WEIGHT 38.6 lbs ( 43 lbs. ) ) : MS7796W Samsung Electronics...
  • Page 6: Operating Instructions

    Light Safety Interlock Holes Ventilation Holes Door Control Panel Door Latches Open Door Push Button Guide Roller Glass Tray 215 / (270) mm 370 / (410) mm 517 / (556) mm 379 / (448) mm ) : MS7796W Samsung Electronics...
  • Page 7: 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. Samsung Electronics...
  • Page 8: Replacement Of Door Assembly

    ¥ Insertion depth of the thin metal plate should be 0.5mm or less. 4-3-3 Removal of Key Door & Spring Door "E" Remove pin hinge from Door "E" Detach spring from Door "E" and key door. Key Door Spring Samsung Electronics...
  • Page 9: Replacement Of Fuse/Drive Motor

    7. When replacing the drive motor, be sure to remount it in the correct position with the Drive Motor Cover Base Plate coupler. 8. Connect all the leads to the drive motor. 9. Screw the drive motor cover to the base plate with a screw driver. Samsung Electronics...
  • Page 10 3. When installing new membrane key board, make sure that the surface of escutcheon base is cleaned sufficiently so that any problems (shorted contacts or uneven surface) can be avoided. Membrane Panel Samsung Electronics...
  • Page 11: 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 12: High Voltage Capacitor

    Door Open Door Closed procedures. ¥ Primary switch 5. Confirm that the gap between the switch ¥ Monitor switch (COM-NC) housing and the switch actuator is no more than ¥ Door Sensing S/W 0.5mm when door is closed. Samsung Electronics...
  • Page 13 NOTE 1 : Variations or errors in the test procedure will cause a variance in the temperature rise. Additional power test should be made if temperature rise is marginal. NOTE 2 : Output power in watts is computed by multiplying the temperature rise (step 5) by a factor of 91 times the of centigrade temperature. Samsung Electronics...
  • Page 14: Procedure For Measurement Of Microwave Energy Leakage

    ; CENTRAL SERVICE CENTER 5-12-2 At least once a year have the microwave energy survey meter checked for accuracy by its manufacturer. Samsung Electronics...
  • Page 15: Troubleshooting

    H.V.Transformer component test procedure and replace if it is H.V.Capacitor defective. H.V.Diode 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 16 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 17: Error Codes

    Gas sensor open (sensor value between 6 and 211) Check the connection and cooking reheating. Gas sensor short. Put the power switch again and use it after 10 minutes. Exceeds of T1 time limit (Gas sensor) First press the cancel key and check the food londition. Samsung Electronics...
  • Page 18: Exploded Views And Parts List

    7. Exploded Views and Parts List 7-1 Exploded Views (MS7796W ONLY) Samsung Electronics...
  • Page 19 DE94-00082C ASSY CONTROL-BOX 120V60HZ,MS5796W,-,SENSOR DE94-00079A ASSY DOOR MW5896W DE39-20146B ASSY POWER CORD 125V13A,AWG16,1350,GRAY,MSP-36 DE39-00010A WIRE HARNESS-A 120V,-,-,MW7986W DE32-60013A SENSOR-GAS ST-MWO DE61-90111A HOLDER-SENSOR POM(DURACON-M90-02) DE39-00072A WIRE HARNESS-S 120V60HZ,-,-,JE1660WB DE26-20151A TRANS-L.V SLV-1350U(L),120V,60HZ,AC17V/7 : Warning : Option Parts :Electrostatically Sensitive Devices Samsung Electronics...
  • Page 20 Description Specification Q'ty Remarks DE70-30002S PANEL-OUTER SECC,T0.5,W424.7,L1115,P/WHT,EMBO-STEEL DE63-90035I CUSHION-RUBBER DFA20,T1.5,W190,L100,BLK,JE154 3601-000440 FUSE-FERRULE 250V,20A,TL,CERAMIC,6.35x31.8m 3602-001002 FUSE-HOLDER 125V/250V,15A/7.5A,50mohm DE31-00001A MOTOR-FAN SMF-789UA,120V,60HZ,2550RPM,MW7592W DE47-20173A THERMOSTAT PW-2N(90/60)30,187Y,250V7.5A,9 OM75PH(31)ESS MAGNETRON 4713-001012 LAMP-INCANDESCENT 130V,-,40W,ORG,B/L,-,25X71 CV/AIR DE71-60458A COVER-AIR PP(TB53),78G,-,-,WHT,3RD-1.0/1.3 MW5896W DE96-00005A ASSY BODY LATCH MW7896W,3RD-W,WONWOO,PP(FB53WH),P/BUTT DE66-90113A LEVER-DOOR PP(TB53-GH10),T2.5,W31X100.5,-,12G,NTR,3RD-W DE26-00002A TRANS-H.V...
  • Page 21: Door Parts List

    ASSY PCB-MAIN DE94-00096A ASSY CONTROL-PANEL MW5896W,-,S2-DESIGN MS5796W DE94-00015A ASSY CONTROL-PANEL MW7896W MS7796W 7-5 Body Latch Parts List Ref. No. Parts No. Description Specification Q'ty Remarks DE66-40001C LATCH-BODY PP(FB53WH),-,39.2G,NTR,-,3RD-W MW5592W 3405-001034 SWITCH-MICRO 125/250VAC,16A,200GF,SPST-NO 3405-001032 SWITCH-MICRO 125/250VAC,16A,200GF,SPDT DE66-90114A LEVER-S/W PP(FB53WH),-,-,-,3.5G,NTR,3RD-W MW5592W Samsung Electronics...
  • Page 22 DE60-10082H SCREW-A 2S-4X12,TOOTHED PN/OUT DE60-10082H SCREW-A 2S-4X12,TOOTHED S-M-EA DE60-10088A SCREW-TAP PH PH,M3,L8,FEFZY,PLAIN MGT-TCO DE60-10098A SCREW-ASSY TAP TITE PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W M/DRIV DE60-10195A SCREW-STAR POLE TH,*,2,4,12,SWCH18A,ZNC O/PANEL DE60-10088A SCREW-TAP PH PH,M3,L8,FEFZY,PLAIN DE60-10098A SCREW-ASSY TAP TITE PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W DIODE DE60-10012A SCREW-TAP TITE TH,+,3,M4,L10,SWR10,ZPC2,TOOTH Samsung Electronics...
  • Page 23 8. P.C.B Diagrams 8-1 P.C.B Diagrams Samsung Electronics...
  • Page 24 CONNECTOR-HEADER BOX,4P,1R,2.5mm,STRAIGHT,SN CN04 3711-000940 CONNECTOR-HEADER BOX,4P,1R,2.5mm,STRAIGHT,SN CN03 3711-000999 CONNECTOR-HEADER BOX,5P,1R,2.5mm,STRAIGHT,SN CN06 3711-004143 CONNECTOR-HEADER BOX,2P/3P,1R,5mm/2.5mm,STRAIGH CN08 DE13-20007A IC-OP AMP KA2904,DIP IC05 DE13-20009A KA7533,DIP IC02 DE39-60001A WIRE-SO COPPER PI0.6,SN,T,52MM,TAPING_WIRE J01,J02,J04,J05,J06 DE39-60001A WIRE-SO COPPER PI0.6,SN,T,52MM,TAPING_WIRE J07,J08,J10,J11,J12 DE39-60001A WIRE-SO COPPER PI0.6,SN,T,52MM,TAPING_WIRE J13,J14,J15,J16 Samsung Electronics...
  • Page 25: Schematic Diagrams

    ASSY PCB BOARD MAGNETRON HIGH VOLTAGE BLK BLU DIODE TO CHASSIS PRIMARY SWITCH HIGH VOLTAGE CAPACITOR DOOR SENSING SWITCH MONITOR SWITCH SYMBOL COLOR BOTTOM CENTER ORANGE HIGH VOLTAGE TRANSFORMER WHITE BLACK BLUE BLU RED LOW VOLTAGE TRANSFORMER POWER RELAY Samsung Electronics...

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