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Summary of Contents for Samsung SESAB M957
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Page 1: Table Of Contents
MICROWAVE OVEN M957 SERVICE Manual MICROWAVE OVEN CONTENTS 1. Precaution 2. Specifications 3. Operating Instructions 4. Disassembly and Reassembly 5. Alignment and Adjustments 6. Troubleshooting 1min+ M957 7. Exploded Views and Parts List 8. PCB Diagrams 9. Schematic Diagrams SESAB... - Page 2 ELECTRONICS © Samsung Electronics Co., Ltd. October 1997 Printed in Korea DE68-62311A...
- Page 3 (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...
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Page 4: Precaution
KAMMAKARGATAN 27 104 30 16. Always connect a test instrument's ground STOCKHOLM,SWEDEN lead to the instrument chassis ground before connecting the positive lead; always remove the instrument's ground lead last. 10. Service technicians should remove their watches while repairing an MWO. Samsung Electronics... - Page 5 (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...
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Page 6: Specifications
517(W) x 297(H) x 385(D) 2-2 Comparison Chart MODEL M957 FEATURE MORE/LESS °¤ AUTO COOK/DISH °¤ AUTO DEFROST °¤ TIME COOK °¤ POWER LEVEL °¤ INSTANT COOK °¤ MEMORY °¤ BOOST °¤ CHILD LOCK °¤ CLOCK °¤ GRILL COMBI Samsung Electronics... -
Page 7: Operating Instructions
Clock Setting Button More/Less Button Memory Button Stop/Clear Button 1min+ Start Button M957 3-2 Features & External Views Ventilation Slot Heater Light Door Safety Interlock Holes Control Panel 1min+ M957 Glass Plate Guide Roller Door Latches 1min+ M957 517mm 385mm Samsung Electronics... -
Page 8: Disassembly And Reassembly
VOLTAGE TRANSFORMER secondary and filament terminals. It is extremely dangerous to work on or near these circuits with the oven energized. Screws H. V. Trans DO NOT measure the voltage in the high voltage circuit including filament voltage of magnetron. Samsung Electronics... - Page 9 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. Spring Door "E" Key Door Samsung Electronics...
- Page 10 8. Connect all the leads to the drive motor. Base Plate 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 11 2. Disconnect the connectors from the control circuit board. 3. Remove screws securing the control circuit bord. 4. Lift up the control circuit board from right side and remove the hooks holding the contol circuit board to the box assembly. SCREWS Samsung Electronics...
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Page 12: 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 13 Door Closed 5. Confirm that the gap between the switch ∞ Primary switch housing and the switch actuator is no more than ∞ Monitor switch (COM-NC) 0.5mm when door is closed. ∞ Monitor switch (COM-NO) ∞ Door Sensing S/W Samsung Electronics...
- Page 14 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 15 ; RELECTRIC AB KAMMAKARGATAN 27 104 30 STOCKHOLM,SWEDEN 5-13-2 At least once a year have the microwave energy survey meter checked for accuracy by its manufacturer. Samsung Electronics...
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Page 16: 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 17 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...
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Page 18: Exploded Views And Parts List
7. Exploded Views and Parts List 7-1 Exploded Views D10 D11 Samsung Electronics... - Page 19 M 26 ASSY CONTROL-BOX;230V50HZ M957(SDW) M 27 DE74-20015B TRAY-COOKING;GLASS T6.0 PI318 1050G MW5630T M 28 DE92-90189A ASSY-GUIDE ROLLER;MW5630T M 29 DE67-60002A COUPLER;PPS 5GR BRN M97G45 M 30 DE73-90027A FERRITE-CORE;NI-ZN T13.8 : Warning : Option Parts :Electrostatically Sensitive Devices Samsung Electronics...
- Page 20 BUTTON-SELECT-C;ABS(HR-0370D) WHT M757(SKW) DE67-10128A KNOB;ABS(HR-0370D) WHT M757/CE757G 7-5 Body Latch Parts List Ref. No. Parts No. Description/Specification Q'ty Remarks DE66-40001A LATCH-BODY;POM(F20-02) 40GR NTR 3405-000178 SWITCH-MICRO;VP-533A-OF-PS(T85) 250V,15A 3405-000175 SWITCH-MICRO;VP-531A-OF(T85) 250V,15A,20 DE66-90001A LEVER-SWITCH;P.O.M(F20-02) 2 6 NTR 2ND-W DE72-60106A GUIDE-S/W;ABS BLK Samsung Electronics...
- Page 21 SCREW-ASSY TAPTITE;PH TC M4X8 SWRCH18A Z M/GEAR DE60-10033A SCREW-TH;TH + M4 L10 MSWR10 FEFZY HI-LOW DE60-10098A SCREW-ASSY TAPTITE;PH TC M4X8 SWRCH18A Z DE60-10098A SCREW-ASSY TAPTITE;PH TC M4X8 SWRCH18A Z CV-TCO DE60-10088A SCREW-TAP PH;PH M3 L8 FEFZY PLAIN P.C.B Samsung Electronics...
- Page 22 8. P.C.B Diagrams 8-1 P.C.B Diagrams Samsung Electronics...
- Page 23 IC-MCU;KS56C671-48 DIP M945/M245(EURO) IC01 DE13-20009A IC;KA7533 DIP IC02 DE26-20141A TRANS-L.V;SLV-945E 230V 50HZ AC17/2.9V LVT1 DE30-20016A BUZZER;CBE2220BA STICK BUZ1 DE39-60001A WIRE-SO COPPER;PI0.6 SN T 52MM J01~26 DE60-60012A PIN-EYELET;ID2.1 OD2.5 L3.0 SN BSP T0.25 E1~8 DE61-90004A HOLDER-DIGITRON;NYLON#66 1.5 85 36 8GR B Samsung Electronics...
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Page 24: Schematic Diagrams
SENSING 3. LAMP : ON SYMBOL COLOR RELAY RELAY RELAY SWITCH L.V.T : P.C.B PATTERN BROWN BLUE : P.C.B IN/OUT ORANGE POINT ASSY MAIN P.C.B WHITE BLACK YELLOW MONITOR PRIMARY DOOR GREEN SWITCH LATCH SENSING YELLOW/GREEN SWITCH SWITCH Samsung Electronics...
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