Related Manuals for Samsung CE2777R-S
Summary of Contents for Samsung CE2777R-S
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Page 1: Table Of Contents
MICROWAVE OVEN CE2777R-S CE2777R SERVICE Manual MICROWAVE OVEN CONTENTS 1. Precaution 2. Specifications 3. Operating Instructions 4. Disassembly and Reassembly 5. Alignment and Adjustments 6. Trouble 7. Exploded Views and Parts List 8. PCB Diagrams 9. Schematic Diagrams SRSC... - Page 2 PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY (a) Do not operate or allow the oven to be (c) Before turning on microwave power operated with the door open. for any service test or inspection within (b) Make the following safety checks on the microwave generating all ovens to be serviced before activating...
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Page 3: Precaution
1. Precaution Follow these special safety precautions. Although the microwave oven is completely safe during ordinary use, repair work can be extremely hazardous due to possible exposure to microwave radiation, as well as potentially lethal high voltages and currents. 1-1 Safety precautions ( 11. -
Page 4: Specifications
1-2 Special Servicing Precautions (Continued) 17. When checking the continuity of the witches or transformer, always make sure that the power is OFF, and one of the lead wires is disconnected. 18. Components that are critical for safety are indicated in the circuit diagram by shading, or . -
Page 5: Specifications
2. Specifications 2-1 Table of Specifications TIMER 99 MINUTES POWER SOURCE 230V 50Hz, AC POWER CONSUMPTION MICROWAVE : 1,400W GRILL : 1100W COMBI : 2500W OUTPUT POWER FROM 100 TO 850W (IEC-705 TEST PROCEDURE) OPERATING FREQUENCY 2,450MHz MAGNETRON OM75PH(31) COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 489(W) x 275(H) x 415(D) -
Page 6: Operating Instructions
3. Operating Instructions 3-1 Control Panel DISPLAY CLOCK SETTING AUTO REHEAT/COOK AUTO POWER SELECTION DEFROST BUTTON POWER LEVEL SETTING GRILL BUTTON COMBI BUTTON START DIAL KNOB STOP/CANCEL BUTTON 3-2 Features & External Views Door Latches Light Ventilation Holes Handle Guide Roller Safety Interlock Holes Glass Tray Coupler... -
Page 7: Disassembly And Reassembly
4. Disassembly and Reassembly 4-1 Replacement of Magnetron, Motor Assembly and Lamp Remove the magnetron including the shield case, permanent magnet, choke coils and capacitors (all of which are contained in one assembly). 1. Disconnect all lead wires from the magnetron and lamp. 2. -
Page 8: Replacement Of Door Assembly
4-3 Replacement of Door Assembly 4-3-1 Removal of Door Assembly Remove hex bolts securing the upper hinge and lower hinge. Then remove the door assembly. 4-3-2 Removal of Door "E" Insert flat screwdriver into the gap between Door "E" and Door "C" to remove Door "C". Be careful when handling Door "C"... -
Page 9: Reassembly Test
4-3-5 Reassembly Test After replacement of the defective component parts of the door, reassemble it and follow the instructions below for proper installation and adjustment so as to prevent an excessive microwave leakage. 1. When mounting the door to the oven, be sure to adjust the door parallel to the bottom line of the oven face plate by moving the upper hinge and lower hinge in the direction necessary for proper alignment. -
Page 10: Replacement Of Control Circuit Board
4-6 Replacement of Control Circuit Board 4-6-1 Removal of Control Box Assembly 1. Be sure to ground any static electric charge ini your body and never touch the control circult. 2. Disconnect the connectors from the control circuit board. 3. Remove screws securing the control box assembly. -
Page 11: Alignment And Adjustments
5. Alignment and Adjustments PRECAUTION 1. High voltage is present at the high voltage terminals during any cook cycle. 2. It is neither necessary nor advisable to attempt measurement of the high voltage. 3. Before touching any oven components or wiring, always unplug the oven from its power source and discharge the high voltage capacitor. -
Page 12: High Voltage Capacitor
5-4 High Voltage Capacitor 1. Check continuity of the capacitor with the meter set at the highest resistance scale. 2. Once the capacitor is charged, a normal capacitor shows continuity for a short time, and then indicates 9M. 3. A shorted capacitor will show continuous continuity. 4. -
Page 13: Output Power Of Magnetron
5-8 Output Power of Magnetron CAUTION MICROWAVE RADIATION PERSONNEL SHOULD NOT ALLOW EXPOSURE TO MICROWAVE RADIATION FROM MICROWAVE GENERATOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY. The output power of the magnetron can be measured by performing a water temperature rise test. Equipment needed : * Two 1-liter cylindrical borosilicate glass vessel (Outside diameter 190 mm) * One glass thermometer with mercury column... -
Page 14: Procedure For Measurement Of Microwave Energy Leakage
5-10 Procedure for Measurement of Microwave Energy Leakage 1) Pour 275±15cc of 20±5° C(68±9° F) water in a beaker which is graduated to 600cc, and place the beaker in the center of the oven. 2) Start to operate the oven and measure the leakage by using a microwave energy survey meter. -
Page 15: Trouble
6. Troubleshooting PRECAUTION 1. CHECK GROUNDING BEFORE CHECKING FOR TROUBLE. 2. BE CAREFUL OF THE HIGH VOLTAGE CIRCUIT. 3. DISCHARGE THE HIGH VOLTAGE CAPACITOR. 4. WHEN CHECKING THE CONTINUITY OF THE SWITCHES OR TRANSFORMER, DISCONNECT ONE LEAD WIRE FROM THESE PARTS AND THEN CHECK CONTINUITY WITHOUT THE POWER SOURCE ON. - Page 16 6-1 Electrical Maltunction(continved) SYMPTOM CAUSE CORRECTIONS Oven lamp and fan motor turn on 1. Misadjustment or loose wiring Adjust door and latch switches. of primary latch switch 2. Defective primary latch switch Oven can program but timer 1. Open or loose wiring of Adjust door and interlock does not start.
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Page 17: Exploded Views And Parts List
7. Exploded Views and Parts List 7-1 Exploded Views MD04 MD11 MD05 MD03 MM03 MD24 MM01 MD02 MM67 MM59 MM52 MM07 MM25 MM63 MM21 MM61 MM68 MM60 MD19 MD06 MM62 MM109 MD07 MM172 MM57 MM55 MD01 MD10 MD14 MM05 MM17 MD191 MM26 MC01... -
Page 18: Main Parts List
7-2 Main Parts List ... -
Page 19: Control Parts List
7-3 Control Parts List 0... -
Page 20: Door Parts List
7-4 Door Parts List ' ... -
Page 21: Standard Parts List
7-5 Standard Parts List ! 2 &... - Page 22 8. P.C.B Diagrams 8-1 P.C.B Diagrams...
- Page 23 8-2 P.C.B Parts List ! $ , ! 4 5 , , ...
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Page 24: Schematic Diagrams
9. Schematic Diagrams 9-1 Schematic Diagrams MAGNETRON HIGH VOLTAGE DIODE TO CHASSI HIGH VOLTAGE CAPACITOR H.V.FUSE HIGH VOLTAGE TRANSFORMER...