Related Manuals for Samsung M937
Summary of Contents for Samsung M937
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Page 1: Table Of Contents
MICROWAVE OVEN M937 SERVICE Manual MICROWAVE OVEN CONTENTS 1. Precaution 2. Statements 3. Operating Instructions 4. Disassembly and Reassembly 5. Alignment and Adjustments 1000W 6. Troubleshooting M937 7. Exploded Views and Parts List 8. Wiring Diagrams SESAB... - Page 2 ELECTRONICS © Samsung Electronics Co., Ltd. October 1997. Printed in Korea DE68-62310A...
- 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 STOCKHOLM,SWEDEN 16. Always connect a test instrument's ground lead to the instrument chassis ground before 10. Service technicians should remove their connecting the positive lead; always remove watches while repairing an MWO. the instrument's ground lead last. 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...
- Page 6 2. Specifications 2-1 Table of Specifications M937 POWER SOURCE 230V 50Hz, SINGLE PHASE POWER CONSUMPTION 1,550W OUTPUT POWER 150W/1000W OPERATING FREQUENCY 2450MHz TIMER 60 MINUTES COOLING METHOD AIR COOLING MAGNETRON OM75P(31)ESST OUTSIDE DIMENSIONS 517(W) x 297(D) x 408(H)mm OVEN CAVITY DIMENSIONS...
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Page 7: Operating Instructions
3. Operating Instructions 3-1 Control Panel 1000W 1000W M937 Samsung Electronics... - Page 8 3-2 Features & External Views Ventilation Slot Light Door Safety Interlock Holes 1000W Control Panel Door Latches M937 Glass Tray Guide Roller 1000W M937 517mm 385mm 3-3 Checking That Your Oven is Operating Correctly NOTE: The oven must be plugged into an appropriate wall socket.
- Page 9 Operating Instruction 3-4 Variable Power Cooking Chart Operation: OUTPUT POWER LEVEL Set the COOKING POWER CONTROL M937 knob to the appropriate power level by turning it. HIGH 100% 1000W MEDIUM HIGH 700W MEDIUM 500W DEFROST 300W 150W 3-5 Adjusting the Cooking Time During Cooking...
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Page 10: 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. H. V. Trans P-HVT Screws Samsung Electronics... - Page 11 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 12 8. Connect all the leads to the drive motor. 9. Screw the deive motor cover to the base plate Base Plate Drive Motor Cover with a screw driver. 10. Remount the coupler in the correct position. Samsung Electronics...
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Page 13: 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. Cooling Fins 4. A continuity check between each filament terminal and the magnetron case should read "open". Samsung Electronics... - Page 14 5. Confirm that the gap between the switch housing and Door Open Door Closed the switch actuator is no more than 0.5mm when door ∞ Primary switch is closed. ∞ Monitor switch (COM-NC) ∞ Monitor switch (COM-NO) ∞ Door Sensing S/W ∞ Secondary switch Samsung Electronics...
- Page 15 5. After heating for 2 minutes, measure the temperatures of water in each Beaker beaker. 6. Microwave heat distribution rate can be caicviated as follows : Minimum Temperature Rise Heat Distribution = X 100(%) Cooking Tray Maximum Temperature Rise The result should exceed 65%. Samsung Electronics...
- Page 16 4) When measuring the leakage, always use the 2 inch spacer cone with the probe. Hold the probe perpendicular to the cabinet door. Place the M937 spacer cone of the probe on the door and/or cabinet door seam and move along the seam, the door viewing window and the exhaust openings moving the probe in a clockwise direction at a rate of 1 inch/sec.
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Page 17: Troubleshooting
2) Defective con- The oven lamp does not light and fan motor Replace the timer. tacts of timer does not operate. NOTE: Interlock monitor switch must be replaced when the fuse is blown out. Samsung Electronics... - Page 18 3) Too small a If a small amount of food is heated repeatedly over To increase the oven load or no a long period of time, microwave turns off during load, place a glass of load operation. water into the oven. Samsung Electronics...
- Page 19 1) If there is no continuity in forward, direction the H.V.Diode is open. Replace. 2) If there is continuity in reverse direction, it's shorted. Fan motor Fan motor Check if the motor coil is open. Replace. does not rotate. Samsung Electronics...
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Page 20: Exploded Views And Parts List
7. Exploded Views and Parts List 7-1 Main Exploded View Samsung Electronics... - Page 21 BASE-PLATE;SGCC T0.8 345 565 M 23 DE47-20172A THERMOSTAT;NT-101NA(8*H)90/60 250V7.5A 9 M 24 DE71-60011A COVER-MGT;PP T2.0 WHT M745 M 25 ASSY DOOR;HANDLE WHT M937/M957 100W M 26 ASSY CONTROL-BOX;230V50HZ M937(SKW) HANDLE M 27 DE74-20015B TRAY-COOKING;GLASS T6.0 PI318 1050G MW5630T M 28 DE92-90189A ASSY-GUIDE ROLLER;MW5630T...
- Page 22 Ref. No Parts No. Description / Specification Q'ty Remarks DE64-40274A DOOR-A;ABS T3 W284 L411 350G WHT M957 DE64-40280A DOOR-SCREEN;T2.0 W252.5 L392.6 M937/9 DE64-40275A DOOR-SUB;ABS T2.5 W261 L398.7 300G WHT M957 DE92-50127H ASSY DOOR-E;COATING BLK T0.8 DE64-40012A DOOR-C;RESIN-PP(TB53) T2.0 CE945GF BLA DE01-00002B FILM-DOOR;PC T0.15 275 175 MW5574W...
- Page 23 P-CORD DE60-10098A SCREW-ASSY TAPTITE;PH TC M4X8 SWRCH18A Z DE60-10069A SCREW-TAP TH;TH M4 L10 FRFZY T-BKT DE60-10024A SCREW-PH;PH + M4 MSWR10 ZPC3 B/RELY DE60-10098A SCREW-ASSY TAPTITE;PH TC M4X8 SWRCH18A Z CV-TCO DE60-10098A SCREW-ASSY TAPTITE;PH TC M4X8 SWRCH18A Z M/GEAR Samsung Electronics...
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Page 24: Wiring Diagrams
BRN,BLU ORANGE WHITE PRIMARY SECONDARY MONITOR BLACK LATCH S/W LATCH S/W LATCH S/W High Voltage Circuit MAGNETRON HIGH VOLTAGE DIODE TO CHASSIS HIGH VOLTAGE CAPACITOR RED/ORG ORG/RED H.V.FUSE SYMBOL COLOR ORANGE BROWN ORG/RED BLACK BLUE HIGH VOLTAGE TRANSFORMER Samsung Electronics...