Samsung M1732 Service Manual
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Samsung M1732 Service Manual

Samsung M1732 Service Manual

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SERVICE
MICROWAVE OVEN
M1732
MICROWAVE OVEN
M1732 (WHITE / GRAY)
M1733 (WHITE / GRAY)
8. PCB Diagrams
Manual
CONTENTS

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Summary of Contents for Samsung M1732

  • Page 1: Table Of Contents

    MICROWAVE OVEN M1732 (WHITE / GRAY) M1733 (WHITE / GRAY) SERVICE Manual MICROWAVE OVEN CONTENTS 1. Precaution 2. Specifications 3. Operating Instructions 4. Disassembly and Reassembly M1732 5. Alignment and Adjustments 6. Troubleshooting 7. Exploded Views and Parts List 8. PCB Diagrams M1733 9.

  • Page 2: Precaution

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

    OPERATING FREQUENCY 2,450MHz MAGNETRON OM75SH(31) COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 489(W) x 275(H) x 351(D) 2-2 Comparison Chart MODEL M1732 / M1733 FEATURE HOLD TIMER O (M1733) MORE/LESS AUTO COOK/DISH AUTO DEFROST TIME COOK POWER LEVEL INSTANT COOK...

  • Page 5: Operating Instructions

    3. Operating Instructions 3-1 Control Panel M1732 M1733 1. Clock Setting 2. Instant Reheat Selection 3. Weight Selection 4. Auto Deforst Feature Selection 5. Timer Setting and Serving Selection 6. Microwave Mode Selection 7. Start Button 8. Stop/Cancel Button 3-2 Features & External Views...

  • Page 6: Disassembly And Reassembly

    4-2 Replacement of High Voltage Transformer 1. Discharge the high voltage capacitor. 2. Disconnect all the leads wire. 3. Remove the mounting bolts. 4. Reconnect the leads correctly and firmly. H. V. Trans Screws Samsung Electronics...

  • Page 7: 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 8: Replacement Of Fuse/Drive Motor

    Base Plate 8. Connect all the leads to the drive motor. Drive Motor Cover 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, make sure that the surface of escutcheon base is cleaned sufficiently so that any problems (shorted contacts or uneven surface) can be avoided. SWITCH Membrane 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 M1732 / M1733 Secondary Approx. 123W Filament Approx.0W Primary Approx.1.8W Secondary...

  • 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 Temperature Rise Beaker Heat Distribution = X 100(%) Maximum Temperature Rise The result should exceed 65%. Cooking Tray Samsung Electronics...

  • Page 13: 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 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 M1733 M1732 M1733 M 31 M1732 Samsung Electronics...
  • Page 17 Exploded Views and Parts List 7-2 Main Parts List M1732 (WHITE / GRAY) / M1733 (WHITE / GRAY) Ref. No. Parts No. Description/Specification Q'ty Remarks DE70-30116W PANEL-OUTER;SECC,T0.5,W351.7,L1014.7,WHT,M WHITE DE70-30135N PANEL-OUTER;GRY,3RD-0.7,MW4593G GRAY DE96-00007A ASSY NOISE FILTER;SN-3WEA,250V10A,3W INRUSH TC DE71-60467A COVER-BLOWER;PP,-,-,-,-,3RD-0.7 DE96-00031A ASSY MOTOR-FAN;SMF-3RDEA,230V50HZ,2400RPM,M1733...
  • Page 18 Exploded Views and Parts List 7-3 Door Parts List M1732 (WHITE / GRAY) Ref. No. Parts No. Description/Specification Q'ty Remarks DE64-40316B DOOR-A;TDS,-,-,-,-,M1732/12 WHITE DE64-40316D DOOR-A;ABS,-,-,200G,D/GRY,M1732-D/AMF,3RD-S1 GRAY DE67-20196A SCREEN-DOOR;S1,-,-,-,-,3RD-0.7 DE94-00124B ASSY DOOR-SUB;MW4593G,BLK,3RD-0.7 DE64-40008B DOOR-C;PP,T1.5,BLK,CE745G DE64-40006A DOOR-KEY;POM(TC3005),T2.0,12GR,BLK,CE94 DE61-70033A SPRING-KEY;ES,HSWR10,PI0.6,D6.0,L22.3,BLU 7-3 Door Parts List M1733 (WHITE / GRAY) Ref.

  • Page 19: Standard Parts List

    C/BLOWER DE60-10082H SCREW-A;2S-4X12,TOOTHED C/BOX DE60-10082H SCREW-A;2S-4X12,TOOTHED O/PANEL DE60-10098A SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W CAVITY TCO DE60-10098A SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W D/MOTOR DE60-10098A SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W MGT TCO DE60-30016A NUT-FLANGE;M4,MSWR10 F-MOTOR DE60-10088A SCREW-TAP PH;PH,M3,L8,FEFZY,PLAIN DE60-10098A SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W H.V.D DE60-10012A SCREW-TAP TITE;TH,+,3,M4,L10,SWR10,ZPC2,TOOTH Samsung Electronics...
  • Page 20 8. P.C.B Diagrams 8-1 P.C.B Diagrams Samsung Electronics...
  • Page 21 IC;KA7533,DIP IC03 DE39-60001A WIRE-SO COPPER;PI0.6,SN,T,52MM,TAPING_WIRE J01,J02,J03,J04,J05,J06,J07 DE39-60001A WIRE-SO COPPER;PI0.6,SN,T,52MM,TAPING_WIRE J08,J09,J10,J12,J13,J14 3501-001050 RELAY-MINIATURE;24VDC,200mW,5A,1FormA,10mS,5mS RY01,RY02 3501-001062 RELAY-POWER;24VDC,523.2mW,16A,1FormA,15mS RY03 3601-001126 FUSE-FERRULE;250V,1.6A,QUICK-ACTING,CERAMIC FUSE1 3708-000525 CONNECTOR-FPC/FC/PIC;10P,2.54mm,STRAIGHT,SN CON01 DE07-20126A LED DISPLAY;LTC-4638G,GRN,12,30,48.2X22.38 DSP1 DE09-00008A IC-MCU;KS57C0504-61D,M1733,4BIT IC01 DE26-20146A TRANS-L.V;SLV-745EN,230V,50HZ,AC17/7V LVT1 DE30-20016A BUZZER;CBE2220BA,STICK BUZ1 DE47-40024A HOLDER-FUSE;FH-51H,7.5A FUSE1 Samsung Electronics...

  • Page 22: Schematic Diagrams

    9. Schematic Diagrams 9-1 Schematic Diagrams 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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M1733

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