Related Manuals for Samsung CO88R
Summary of Contents for Samsung CO88R
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Page 1: Table Of Contents
MICROWAVE OVEN CO88R 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 (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 3: Precautions
5,1TALIANSKAYASTR. ST.PETERSBERG,191011,RUSSIA 2. Microwave emission check should be SUSC performed to prior to servicing if the oven is SAMSUNG UKRAINE SERVICE CO.LTD operative. 7 ZHILIYANSKAYA STREET. 3. If the oven operates with the door open : KIEV 252033. UKRAINE Instruct the user not to operate the oven and... - Page 4 Fig. 1-1 Touch chassis side first then short to the high voltage limits by close-tolerance, safety-related capacitor terminal by using a scredriver or jumper components and adjustments. If the high wire. voltage exceeds the specified limits, check each of the special components. Samsung Electronics...
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Page 5: Specifications
490W 22 sec 8 sec OPERATING FREQUENCY 2,450MHz 560W 25 sec 5 sec MAGNETRON OM75PH(21)ESS 630W 28 sec 2 sec COOLING METHOD COOLING FAN MOTOR 100% 700W 30 sec 0 sec OUTSIDE DIMENSIONS 498(W) x 330(H) x 461(D) Samsung Electronics... -
Page 6: Operating Instructions
ADJUSTMENT BUTTONS RUHNOE MEN{ TEMPERATURE CONTROL CONVECTION MODE BUTTONS TEMPERATURA KONVEKCIQ SELECTION POWER LEVEL SELECTION MICROWAVE MODE UROVEN: MOWNOSTI MIKROVOLNY SELECTION START 1MIN VREMQ GRILL MODE SELECTION GRIL: START / 1MIN + KNOB CANCELLATION BUTTON OTMENA CLOCK SETTING HASY Samsung Electronics... - Page 7 Operating Instructions 3-2 Features & External Views UPPER HEATING ELEMENT ROTATING AXLE CABINET VENTILATION SLOTS(BACK VENTILATION SLOTS(TOP) CERAMIC PROCELAIN- VENTILATION SLOTS(SIDE) ENAMELED INTERIOR DISPLAY RUNGS LOWER HEATING ELEMENT POWER SUPPLY CORD CONTROL PANEL DOOR DOOR HANDLE PLUG Samsung Electronics...
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Page 8: Disassembly And Reassembly
5. Remove eleven screws for PC board fixing. 6. Remove the PC board B from the operating panel. 7. Remove two screws for volume installing plate attachment. Screws for PC board B fixing (5 pieces) Volume installing plate Screws(2) for volume installing plate fixing Samsung Electronics... - Page 9 5. Remove the upper heater. BKT-cover heater(U) PLATE SPRING SUPPORT-HEATER *Hold on A part and push in direction of B. Upper heater(U) Plate spring attachment nut *Assembly procedure of gasket (2 pieces) Support- Heater UPPER HEATER GASKET GASKET CAVITY GASKET STOPPER Samsung Electronics...
- Page 10 4. Remove the BKT-HVT.(Screw: upper resp. lower each two) 5. Remove the magnetron attachment screws(four pieces) and then the magnetron. 6. Thermo switch is removed together with. THERMOMETAL BKT HVT Care the high tension voltage when removing wiring. MAGNETRON attachment Magnetron screws(four pieces) Samsung Electronics...
- Page 11 4. Open the door to remove it pressing lefthand. SPRING-ARM(RIGHT) SPRING-ARM(RIGHT) ARM-SLIDER(LEFT) ARM-SLIDER(LEFT) Method to detach the spring-arm SPRING-ARM SPRING-ARM (LEFT) SPRING-ARM (LEFT) This part is despatched by turning the radio pincers in the direction of A. SPRING-STOPPER SPRING-STOPPER Samsung Electronics...
- Page 12 2. Remove the screws(two for fan motor and two for low voltage transformer). Lower voltage transformer 3. Remove the fan heater. Fan motor 4. Remove the low voltage transformer. Fan motor fixing screws(two). Samsung Electronics...
- Page 13 Note) A gap between the door and front panel may be formed if the pressing is too hard. 2) Fasten the latch fixing screws in this state. OPEN CLOSE Latch fixing screw 1 FRONT LEVER-A -PANEL Switch 1 Monitor switch Switch 2 Latch fixing screw 2 Samsung Electronics...
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Page 14: 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 the magnetron case should read open. Gasket Plate Magnetron Antenna Samsung Electronics... -
Page 15: High Voltage Capacitor
5. Confirm that the gap between the switch Spring Lever housing and the switch actuator is no more than Door Open Door Closed 0.5mm when door is closed. ∞ Primary switch ∞ Monitor switch (COM-NC) ∞ Monitor switch (COM-NO) ∞ Secondary switch Samsung Electronics... - Page 16 5. After heating for 2 minutes, measure the water temperature in each beaker. 6. Microwave heat distribution rate can be calculated as follows: Beaker Minimum Temperature Rise Heat Distribution = X 100(%) Maximum Temperature Rise The result should exceed 65%. Cooking Tray Samsung Electronics...
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Page 17: Procedure For Measurement Of Microwave Energy Leakage
; SMSC SESPO SUSC SALSC "JV SAMSUNG SERVICE" LTD SAMSUNG ELECTRONICS CO.,LTD SAMSUNG ALMATY SVC CO. SAMSUNG UKRAINE RUSSIA, 123308 52A MICROREGION ORIBITA-3 ST.PETERSBERG OFFICE... -
Page 18: 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 19 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 20: Troubleshooting
6. Press the "Cancel" key. 1. "0" display lights up. (The inside lamp turns off and rotation of the round dish stops). (Note1) Substitute the weight of balance with a beaker of 1kg total weight filled with tap water). Samsung Electronics... - Page 21 PC board and thus the electrostatic capacity will be changed, by which the oscillation of weight sensor PC board changed, and it allows to measure the weight by. Samsung Electronics...
- Page 22 1. Do not apply heavy load or pressure on the rotating dish (The weight sensor directly contact the rotating dish). Putting food that exceeds 4kg(Total) can damage the weight sensor. 2. Use only genuine replacements that fit the model(C.E., rotating dish and supporter). Samsung Electronics...
- Page 23 Problem with the weight Exchange the weight sensor sensor (Output frequency=0Hz) Check the wire connection Problen with the EEPROM Replace the PCB assy No tray (Occurs if oven is Install the rotating dish operated without the rotating dish.) Samsung Electronics...
- Page 24 4-15 minutes: 30 seconds. 15-30 minutes: 1 minute as unit. 7sec 23sec Range Low 1 hour and 30minutes 0-10 minutes: 30 seconds as unit. (200W) (600W) 10-40 minutes: 1 minute as unit. 40-90 minutes: 5 minute as unit. Samsung Electronics...
- Page 25 7-3-5 The function of preventing from forgetting to take foods out For prevention of forgetting to take food out, buzzer sounds "Pee" every one time in interval of 1 minute for total ten minutes after completion of cooking. -. Buzzer sounding will stop when pressing cancel key. Samsung Electronics...
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Page 26: Electrical Malfunction
H.V.Transformer component test procedure and replace if it is H.V.Capacitor defective. H.V.Diode 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 27 Noise may result from the motor. Replace turntable motor. when it starts to operate. Poor defrosting 1. Open or loose wiring of weight sensor Check the connections to weight sensor 2. Point not adjusted Readjust the "0" point Samsung Electronics...
- Page 28 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 29: Exploded Views And Parts List
8. Exploded Views and Parts List 8-1 Exploded Views yyyy yyyy yyyy yyyy yyyy Samsung Electronics... -
Page 30: Main Parts List
M 23 DE47-70075B HEATER-GRILL 230V,1320W,7.5,7.0 M 24 DE63-20061A GASKET-HEATER BRASS,T1.0,W15,L57 M 25 DE71-60374A COVER-MGT MICASHEET,T0.5,W56.5,L115 M 26 DE92-90475C ASSY-ARM SLIDER RE-CH1/CO88R,BURR_DELETE(NI-CR M 27 DE66-10063E ARM-SLIDER SPC1,T2.0,W65,L148,BURR_DELETE M 28 DE62-90096A ADIABATIC-RIGHT SUPERFINEINSULATION,T5,W205.5 M 29 DE61-50461A BRACKET-OVEN CAVITY SECC,T0.6,W213,L250.9 M 30 DE61-50436A BRACKET-HVT SECC,T0.8,W254.5,L123... - Page 31 M 59 DE62-90100A ADIABATIC-LEFT SUPER-FINE-INSULATIO,5,W314,D2 M 60 DE71-60430A COVER-ADIABATIC STS,PI0.5,W316.2,L265.3,MESHME M 61 DE61-50502A BRACKET-WAVE(M) SECC,T0.6,W30,L30,RE-CH1 M 62 DE65-20009A CABLE CLAMP DA-100,WHT M 63 DE63-90007A CUSHION-RUBBER CR,T4,W10,L40 M 64 DE93-90038A ASSY-B/RESISTOR FX175Z-D : Warning : Option Parts :Electrostatically Sensitive Devices Samsung Electronics...
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Page 32: Door Parts List
Exploded Views and Parts List 8-3 Door Parts List Ref. No. Parts No. Description Specification Q'ty Remarks DE64-20113A HANDLE PC(LEXAN141),BLK,85G,RE-CH1 DE64-20114A HANDLE-COVER PC(LEXAN141),BLK,50G,RE-CH1 DE64-20115A HANDLE-SASH DE67-20162A SCREEN-DOOR(B) GLASS(TEMP),T4,W243,L359,BLK,R DE64-40267A DOOR-A PC,T3,W290,L409.5 DE92-50129C ASSY DOOR-E SELANT,BLK,RE-CH1 DE64-40266A DOOR-C PBT,1.5,W260,L376 Samsung Electronics... -
Page 33: Control Parts List
Description Specification Q'ty Remarks DE71-60369B COVER-PANEL ABS,T3,W72,L260,90,RUSSIA DE72-70172A CONTROL-PANEL PC,140,DARKGRAY,3,88,290 DE66-20181A BUTTON-SELECT-B ABS,NTR DE66-20180A BUTTON-SELECT-A ABS,NTR DE64-10125A KNOB PC,D/GRAY DE61-70129A SPRING-KNOB 0.6,21.4,46.9,22.6,RE-CH1 DE39-40113B WIRE HARNESS-F 100V,50/60HZ,RE-CH1 DE64-10126A KNOB-HOLDER POM,NTR DE61-50448A BRACKET-VOLUME SECC,T0.8,W56.6,L30 C 10 DE91-10480A ASSY PCB-MAIN AC230V/50HZ,SENSOR,VFD Samsung Electronics... - Page 34 Exploded Views and Parts List 8-5 Control Parts List Ref. No. Parts No. Description Specification Q'ty Remarks DE69-20277A CUSHION-TRAY; EPS50RE-CH1 DE92-90461B ASSY TRAY SUB CO88R DE63-90164A CUSHION-DOOR LAMI-SHEET DE74-20103B TRAY-CERAMIC CERAMIC T.3.8 DE63-90170A GLOVE-OVEN PS/WOOL DE63-90170B GLOVE-OVEN PS/WOOL LEFT DE74-70072A PACK-WIRE MSWR10 PI3.5...
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Page 35: Standard Parts List
M4,L12,2S,TOOTHED S/MGT DE60-10082J SCREW-TAPPING TH,2S-4X8,MSWR3,ZPC,YEL,WS C/BOX DE60-10088A SCREW-TAP PH PH,M3,L8,FEFZY,PLAIN LAMP DE60-10123A SCREW-TAP TH 3-4X8,FE,FN MICA DE60-20014A BOLT-FLANGE M5,L10,MSWR3,FEFZY BA+B/H DE60-10086A SCREW-TAP BH BH,M3,L8,FEFZY B/VOLU DE60-10088A SCREW-TAP PH PH,M3,L8,FEFZY,PLAIN DE02-00027A TAPE-OPP W50,YEL DE60-10100A SCREW-TAPPING PH,3,L6,AB,FEFZY DE60-20065A BOLT-EARTH M4,6,BS Samsung Electronics... - Page 36 9. P.C.B Diagrams 9-1 P.C.B Diagrams Samsung Electronics...
- Page 37 KA7805A,TO-220AB,1A,0/125C DE30-20016A BUZZER CBE2220BA,STICK BUZ1 DE37-90020A CONNECTOR ASSY YJN25012,PLATE,73MM,WHT CN7,8 DE61-90166A HOLDER-DIGITRON NYLON#66,T1.5,W86,L54.3 DE62-30032A HEAT SINK-S1 A6030,W15,L25.5 DE91-20528A ASSY PCB AUTO-MAIN AC230V/50HZ,CO88R 0401-001002 DIODE-SWITCHING 1N4148M,100V,200mA,500mW,3nS,D D05~07,15~21 0402-000559 DIODE-RECTIFIER D4G,400V,1A,T-1 D01~04,08~14 0403-000387 DIODE-ZENER UZP24B,24V,22.8-25.6V,1W,DO-41 ZD2,3 0501-000388 TR-SMALL SIGNAL KSC815,NPN,400mW,TO-92,BK,120 0504-001014 TR-DIGITAL KSR1005,NPN,300mW,4.7K-10K,TO...
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Page 38: Schematic Diagrams
1 . INPUT : 230V THERMO 2 . DOOR : OPEN SENSOR 3 . LAMP : ON (ASSY MAIN P.C.B) W/SENSOR MAGNETRON HIGH VOLTAGE DIODE TO CHASSIS HIGH VOLTAGE CAPACITOR H.V.FUSE SYMBOL COLOR ORANGE BROWN BLACK BLUE HIGH VOLTAGE TRANSFORMER Samsung Electronics 10-1...