Related Manuals for Samsung CE979GSE
Summary of Contents for Samsung CE979GSE
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Page 1: Table Of Contents
MICROWAVE OVEN CE979GSE SERVICE Manual CONTENTS MICROWAVE OVEN 1. Precautions 2. Specifications 3. Operating Instructions 4. Disassembly and Reassembly 5. Alignment and Adjustments 6. Circuit Description 7. Troubleshooting 8. Exploded Views and Parts List 9. PCB Diagrams 10. Schematic Diagrams... -
Page 2: Precautions
CENTRAL SERVICE CENTER 16. Always connect a test instrument's ground lead to the instrument chassis ground before connecting the positive lead; always remove 10. Service technicians should remove their the instrument's ground lead last. watches while repairing an MWO. Samsung Electronics... - 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 99Mins POWER LEVEL ON TIME OFF TIME POWER SOURCE 230V 50Hz, AC CE979GSE POWER CONSUMPTION MICROWAVE : 1,500W 4 sec 26 sec MAX : 1,500W 170W 7 sec 23 sec GRILL : 1,300W... -
Page 5: Operating Instructions
3-1 Control Panel Cehcop Cehcop GRILL / COMBI STOP / CANCEL START deodorization 1 Min 3-2 Features & External Views LIGHT HEATER DOOR LATCHES DISPLAY GLASS TRAY SAFETY VENTILATION CONTROL INHALATION GUIDE DOOR INTERLOCK HOLES PANEL SLOT ROLLER HOLES Samsung Electronics... -
Page 6: Disassembly And Reassembly
11. When removing the magnetron, make sure that its antenna does not hit any adjacent parts. Magnetron Fan Motor 12. When replacing the magnetron, be sure to remount the magnetron gasket in the correct position, and make sure the gasket is in good condition. Samsung Electronics... - Page 7 HINGE VOLT interlock switch and the interlock monitor switch. 3. Microwave emission should not exceed 5§ /§† (All service adjustments should be HINGE UPPER made for minimum RF emission.) HINGE VOLT Samsung Electronics...
- Page 8 Reconnect all the leads to the elevation motor. Screw the elevation motor cover to the base plate with screw driver. 10. Remount the coupler in the correct position. SCREW ELEVATION MOTOR TANTABLE MOTOR WEIGHT SENSOR SCREW Samsung Electronics...
- Page 9 "ALIGNMENT AND ADJUSTMENTS" on page 5-2(whenever they are repaired or replaced). Door Sensing S/W Interlock Switch Replacement When replacing defective switches, be sure to check that the mointing tabs are not bent or Body Latch broken. Samsung Electronics...
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Page 10: Replacement Of Fuse
4-12 Replacement of Gas Sensor and ThermoSwitch 1. Disconnect all lead wires from the gas sensor thermostat and the thermostat. 2. Remove screws securing the air guide. Gas sensor Samsung Electronics... -
Page 11: Alignment And Adjustments
3. Before touching any oven components or wiring, always unplug the oven 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 CE979GSE Secondary Approx. 96Ω Filament Approx.0Ω Primary Approx.1.6Ω... -
Page 12: High Voltage Capacitor
5. Confirm that the gap between the switch Door Open Door Closed housing and the switch actuator is no more than ∞ Primary switch 0.5mm when door is closed. ∞ Monitor switch (COM-NC) ∞ Monitor switch (COM-NO) ∞ Door Sensing S/W Samsung Electronics... - Page 13 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 14: Leakage Measuring Procedure
2 inches to any metal (otherwise, erroneous readings readings will result). 5. The measured leakage must be less than 5mW/cm WARNING AVOID TOUC HING THE HIGH VOLTAGE COMPONENTS. Samsung Electronics... - Page 15 3. 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: Circuit Description
Low to "Full" power. One complete ON/OFF cycle of the power control is 30 seconds. 8. The cooking when the oven is set at any power setting is shown on the display (starts to count down.) Samsung Electronics... - Page 17 The time of day reappears on the display window. 2. The oven lamp and cooking indicators turn off. 3. The fan motor stops. 4. The power control relay turns off to cutting the primary voltage to the high voltage transformer (This stops magnetron oscillation). Samsung Electronics...
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Page 18: Troubleshooting
The output frequency of the basic condition (when 0 point adjusted) is between 3150 and 3650Hz. The weight sensor converts the weight of the food into a series of pulses that are compared to the"zero point" wavefrom. This frequency difference determines the cooking time. Samsung Electronics... - Page 19 10minutes. (When cooking food that weight less tman 300g the maximum time is 10 minutes.) No tray (Occurs if oven is Install the rotating dish operated without the rotating dish.) Problen with the EEPROM Replace the PCB assy Samsung Electronics...
- Page 20 Otherwise use a tool (such as long nose pliers) 4. If you remove the tie during servicing, do not damage the wire. Adjust and arrange the wire and tie(heat proof onsulated tie) after the repairs have been completed. Samsung Electronics...
- Page 21 The water temperature should be about 80° Inspection of grill cooking a. Put the applicable " cooker" for grill cooking inside b. Do the following grill ¡ time setting 5 minutes ¡ start cooking. c. Normal : The seize heater is red. Samsung Electronics...
- Page 22 Is the LVT wire normal? Exchange/adjustment Elevation a.Check the connections to Poor wire connection Adjustment action the elevation assembly unsatisfactor b. Continuity between terminals Disconnection Exchange/ of the elevation motor Assembly exchange (Measure after removing the power leads) Samsung Electronics...
- Page 23 Continuity of high voltage diode Forward direction (Measure it after cutting the =about 0§ power leads). d. Continuity between the magnetron Reverse direction =500§ e. High frequency emissions Bad continuity Bad magnetron f. Power relay operation Bad contact points Samsung Electronics...
- Page 24 Rotate the fan by hand cleaning or exchange Poor defrosting a. Check the connections to Poor connection Adjustment the weight sensor b. Readjust the 0 point 0 point not adjusted Taking measures according to the error list. Samsung Electronics...
- Page 25 Explain to the customer that he following are Check the continuity dancerous hazards : to ground. a. Connection to the gas pipe b. Connection to the vinyl water pipe c. Connection to the telephone line. Samsung Electronics...
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Page 26: Exploded Views And Parts List
8. Exploded Views and Parts List 8-1 Exploded Views Samsung Electronics... -
Page 27: Main Parts List
BRACKET-HVC;SECC T0.8 W31 L125.8 2501-001029 C-OIL;1.05uF,2100V,BK,35x54x90,20mm DE26-10042B TRANS-H.V;Y9245NTC-1 230V 50HZ AC2230V M DE59-40001A DIODE-H.V;HVR-1X-32B-12 DE91-70061B ASSY-H.V.FUSE;THV060T-0750-H 5KV0.75A RE DE26-20142A TRANS-L.V;RE-751STC 230V 50HZ AC11/15.5/ DE61-40029A FOOT;DASF-330 RE-909CG DE65-20025A CABLE CLAMP;DAWS-2NB NYLON66 NTR WIRE SA : Warning : Option Parts :Electrostatically Sensitive Devices Samsung Electronics... - Page 28 DE67-40064A GLASS-LAMP;GLASS T3.0 W28 L15 RE-751 DE91-70155A ASSY-LAMP;RE-652/751 CERAMIC DE61-80006B HINGE-LOWER;ZP2W T3.0 ZN(PLATING) RE-552 DE61-80037C HINGE-UPPER;SCP1 T3.0 W26 L76 ZP2C-W MB2 ASSY DOOR;CE979GSE(SCAW) P/WHT HANDLE AB DE39-40012A ASSY WIRE HARNESS-SENSOR;220V/60HZ RE-64 DE39-40396A WIRE HARNESS-D;110/220V RE-850V DOM DE61-50301A BRACKET-COVER;SBHG1-A RE-707GMS DE32-60013A SENSOR-GAS;ST-MWO...
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Page 29: Door Parts List
SCREEN-DOOR(B);TEMP-GLASS T4.0 W256.8 L352.5 DE64-40076A DOOR-SUB;PC NTR 140G RE-642 DE92-50001A ASSY DOOR-E;SELANT BLK RE-642 DE64-40041A DOOR-C;PP-A353 BLK MW5630T DE64-40175A DOOR-KEY;POM(TC3005) BLK 13G RE-330 DE61-70027A SPRING-KEY;HSW3 PI0.6 D5 BLUING DE60-60008B PIN-HINGE;PI4 L15 NYLON#66 M301TBC NTR DE68-10001A LABEL-BRAND;AL SAMSUNG S/S 8.0 50 Samsung Electronics... -
Page 30: Control Parts List
COVER-LAMP;POM T1.5 4G DE64-10049A KNOB-COVER;ABS NTR 9G RE-642 DE66-20065A BUTTON-SELECT-D;PC NTR 5G RE-642 DE66-20069A BUTTON-SELECT-C;PC NTR 6G RE-642 DE66-20064A BUTTON-CAP;ABS NTR 6G RE-642 DE66-20066A BUTTON-SELECT-B;PC NTR 6G RE-642 DE91-10427A ASSY P.C.B-MAIN;AC230V/60HZ S V.F.D CE979GSE ASSY COVROL-BOX;230V50HZ CE979GSE AMFO Samsung Electronics... -
Page 31: Standard Parts List
SCREW-TAP TITE;TH + 3 M4 L10 SWR10 ZPC2 MEM-PN DE60-10012A SCREW-TAP TITE;TH + 3 M4 L10 SWR10 ZPC2 NO-FIL DE60-10012A SCREW-TAP TITE;TH + 3 M4 L10 SWR10 ZPC2 P-CO-E DE60-10013A SCREW-ASSY TAP;TH 2S 4 L12 MSWR3 ZPC3 FI MO/FAN Samsung Electronics... - Page 32 9. P.C.B Diagrams 9-1 P.C.B Diagrams Samsung Electronics...
- Page 33 DE30-20016A BUZZER;CBE2220BA,STICK BUZ1 DE32-10034A FUSE;FSF,250V,2A,20MM,50F DE34-20071A SWITCH-ROTARY;DC10V,1MA,SH,PA-1005A-003-000 ECD1 DE37-90020A CONNECTOR ASSY;YJN25012,PLATE,73MM,WHT CN05,CN06 DE47-40024A HOLDER-FUSE;FH-51H,7.5A FUSE1 DE61-90161A HOLDER-DIGITRON;NYLON,T1.5,#6,BLK DE91-20458A ASSY PCB AUTO-MAIN;AC230V/50HZ,CE979GSE 0401-001002 DIODE-SWITCHING;1N4148M,100V,200mA,500mW,3nS,D D009,D014~D024 0402-000559 DIODE-RECTIFIER;D4G,400V,1A,T-1 D001,D002,D007,D010~D013,D025~D027 0403-000150 DIODE-ZENER;1N4743A,13V,5%,1W,DO-41,TP ZD01 0403-000525 DIODE-ZENER;1N4733A,5.1V,5%,1W,DO-41,TP ZD02~ZD04 0501-000283 TR-SMALL SIGNAL;KSA539,PNP,400mW,TO-92,TP,120- TR06 0501-000388 TR-SMALL SIGNAL;KSC815,NPN,400mW,TO-92,BK,120-...
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Page 34: Schematic Diagrams
3 . LAMP : ON L.V.T WEIGHT PRIMARY LATCH S/W MONITOR S/W DOOR SENSING S/W ELEVATION DOOR SENSOR SWITCH SWITCH (ASSY MAIN P.C.B) MAGNETRON HIGH VOLTAGE DIODE TO CHASSIS HIGH VOLTAGE CAPACITOR H.V.FUSE SYMBOL COLOR ORANGE BROWN BLUE HIGH VOLTAGE TRANSFORMER Samsung Electronics 10-1...