Related Manuals for Samsung M757
Summary of Contents for Samsung M757
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Page 1: Table Of Contents
MICROWAVE OVEN M757 SERVICE Manual MICROWAVE OVEN CONTENTS 1. Precaution 2. Specifications 3. Operating Instructions 4. Disassembly and Reassembly 5. Alignment and Adjustments 6. Troubleshooting 1min+ M757 7. Exploded Views and Parts List 8. PCB Diagrams 9. Schematic Diagrams... -
Page 2: Precaution
Immediately before handling any been brought into compliance. semiconductor components or assemblies, drain the electrostatic charge from your SAMSUNG ELECTRONICS ITALY S.P.A body by touching a known earth ground. VIA F.LLI GRACCHI,48 20092-CINISELLO BALSAMO MILAN 16. Always connect a test instrument's ground... - Page 3 (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 4: Specifications
2. Specifications 2-1 Table of Specifications TIMER 99 MINUTES 90 SECONDS POWER LEVEL ON TIME OFF TIME POWER SOURCE 230V 50Hz, AC M757 POWER CONSUMPTION MICROWAVE : 1,300W 4 sec 26 sec 160W 7 sec 23 sec OUTPUT POWER FROM 80 TO 800W (10 LEVEL POWER) -
Page 5: Operating Instructions
Weight and Auto Cook Code Selection Botton) Clock Setting Button Deodorization Botton Memory Cook Feature Button Stop/Cancel Button 1min+ Start Button M757 3-2 Features & External Views Ventilation Slot Light Door Safety Interlock Holes Control Panel 1min+ Open Door Push Button... -
Page 6: 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. Screws H. V. Trans Samsung Electronics... -
Page 7: 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 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 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 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 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 M757 Secondary Approx. 130W Filament Approx.0W Primary Approx.1.700W... -
Page 11: High Voltage Capacitor
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 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...
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Page 13: Procedure For Measurement Of Microwave Energy Leakage
2) If the radiation leakage is more than 4 mW/ß≤ 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 ITALY S.P.A VIA F.LLI GRACCHI,48... -
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...
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Page 16: Exploded Views And Parts List
7. Exploded Views and Parts List 7-1 Exploded Views Samsung Electronics... -
Page 17: Main Parts List
COVER-MGT;PP T2.0 WHT M745 M 25 DE61-80004A HINGE-LOWER;SCP1 T2.3 ZN-COATING BLK M 26 DE61-80005A HINGE-UPPER;SCP1 T2.3 BLK ZN-COATING M 27 ASSY DOOR;HANDLE WHT M757/M737(SKW) M 28 ASSY CONTROL-BOX;230V50HZ M757(SDW,SAW) S. M 29 DE74-20102B TRAY-COOKING;GLASS T5.0 PI288 780G M745 M 30 DE92-90436A ASSY-GUIDE ROLLER;MW4370W... -
Page 18: Door Parts List
DE02-00031A TAPE-DOUBLE FACE;ACRYL T0.26 W15 WHT 3M-A 2 7-4 Control Parts List Ref. No. Parts No. Description/Specification Q'ty Remarks DE91-10430A ASSY P.C.B-MAIN;230V50HZ NS LED M757(EURO) DE72-70178A CONTROL-PANEL;ABS(HR-0370) WHT M757(DSW,SAW DE67-40147A WINDOW-DISPLAY;ACRYL SMOG M757/CE757G DE66-20183A BUTTON-SELECT-B;ABS(HR-0370D)WHT M757 DE66-20185A BUTTON-SELECT-A;ABS WHT M757/CE757G DE66-20184A BUTTON-SELECT-C;ABS(HR-0370D) WHT M757(SKW) -
Page 19: Standard Parts List
DE60-10098A SCREW-ASSY TAPTITE;PH TC M4X8 SWRCH18A ZPC2 CV-TCO DE60-10098A SCREW-ASSY TAPTITE;PH TC M4X8 SWRCH18A ZPC2 M/DRIV DE60-10098A SCREW-ASSY TAPTITE;PH TC M4X8 SWRCH18A ZPC2 MG-TCO DE60-20063A BOLT-FLANGE;M4 10 ZPC3 YEL MSWR HI-LOW DE60-20063A BOLT-FLANGE;M4 10 ZPC3 YEL MSWR HI-UPP Samsung Electronics... - Page 20 8. P.C.B Diagrams 8-1 P.C.B Diagrams Samsung Electronics...
- Page 21 DE09-30487A IC-MCU;KS57C0004-64 DIP M745(2ND-W,LED,EURO) IC01 DE13-20009A IC;KA7533 DIP IC03 DE13-20033A IC-DRIVE;UDN6118A DIP IC02 DE26-20146A TRANS-L.V;SLV-745E 230V 50HZ AC17/7V LVT1 DE30-20016A BUZZER;CBE2220BA STICK BUZ1 DE39-60001A WIRE-SO COPPER;PI0.6 SN T 52MM J01~17,22~28 DE60-60012A PIN-EYELET;ID2.1 OD2.5 L3.0 SN BSP T0.25 E01~08 Samsung Electronics...
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Page 22: Schematic Diagrams
: 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 MAGNETRON HIGH VOLTAGE DIODE TO CHASSIS HIGH VOLTAGE CAPACITOR H.V.FUSE SYMBOL COLOR ORANGE BROWN BLUE HIGH VOLTAGE TRANSFORMER Samsung Electronics...