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MICROWAVE OVEN

CM1219 / CM1229

SERVICE 

Manual

MICROWAVE OVEN

CONTENTS

1. Precaution

2. Specifications

3. Operating Instructions

4. Disassembly and Reassembly

5. Alignment and Adjustments

6. Troubleshooting

7. Exploded Views and Parts List

8. PCB Circuit Diagrams and Parts List

9. Wiring Diagram & Operating Sequence

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Содержание CM1219

Страница 1: ...d Adjustments 6 Troubleshooting 7 Exploded Views and Parts List 8 PCB Circuit Diagrams and Parts List 9 Wiring Diagram Operating Sequence P 1 2 3 4 5 6 7 8 9 0 20sec P 1 2 3 4 5 6 7 8 9 0 20sec P 1 2 3 4 5 6 7 8 9 0 20sec P 1 2 3 4 5 6 7 8 9 0 20sec P 1 2 3 4 5 6 7 8 9 0 20sec P 1 2 3 4 5 6 7 8 9 0 20sec P 1 2 3 4 5 6 7 8 9 0 20sec P 1 2 3 4 5 6 7 8 9 0 20sec SESC ...

Страница 2: ...ave power for any service test or inspection within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this ma...

Страница 3: ...e is blown by the Interlock Monitor Switch Replace all of the following at the same time Primary and door sensing switches as well as the Interlock Monitor Switch The correct adjustment of these switches is described elsewhere in this manual Make sure that the fuse has the correct rating for the particular model being repaired 13 Design Alteration Warning Use exact replacement parts only i e only ...

Страница 4: ...fied limits check each of the special components Precaution 1 2 Special High Voltage Precautions Note Touch chassis side first then short to the high voltage capacitor terminal by using a screwdriver PRECAUTION There exists HIGH VOLTAGE ELECTRICITY with high current capabilities in the circuits of the HIGH VOLTAGE TRANSFORMER secondary and filament terminals It is extremely dangerous to work on or...

Страница 5: ... MICROWAVE 2 200W OUTPUT POWER 230V 1 200W IEC 705 OPERATING FREQUENCY 2 450MHz MAGNETRON OM75P 20 ESS COOLING METHOD VENTILATION MOTOR OUTSIDE DIMENSIONS 464 W x 368 H x 557 D NET WEIGHT 32 Kg SHIPPING WEIGHT 34 5 Kg CM1229 Max 25 min 230V 50HZ AC MICROWAVE 2 200W 230V 1 200W IEC 705 2 450MHz OM75P 20 ESS VENTILATION MOTOR 464 W x 368 H x 557 D 32 Kg 34 5 Kg ...

Страница 6: ... BUTTON CEILING COVER SAFETY INTERLOCK HOLES VARIABLE COOKING POWER CONTROL DIAL TIMER DIAL DOOR LATCHES PLATE TRAY AIR FILTER P 1 2 3 4 5 6 7 8 9 0 20sec OVEN LAMP 230V 25W DISPLAY OVEN LAMP COVER DOOR HANDLE DOOR CONTROL PANEL 20sec PAD STOP CANCEL PAD START BUTTON CEILING COVER SAFETY INTERLOCK HOLES 3 2 Features CM1229 DOOR LATCHES PLATE TRAY AIR FILTER ...

Страница 7: ...30 43 26 557 3 3 Control Panel CM1229 1 DISPLAY 2 PROGRAM PAD 3 PROGRAM LOCK PAD 4 NUMBER PADS TIME MEMORY PROGRAMMING 5 POWER LEVEL SELECTOR PAD 6 DEFROST SELECTOR PAD 7 DOUBLE QUANTITY PAD 8 20sec PAD ONE TOUCH COOK PAD 9 STOP CANCEL PAD 10 START BUTTON 1 2 4 3 5 6 7 8 9 10 P 1 2 3 4 5 6 7 8 9 0 20sec Operating Instructions 3 4 2 External Views CM1229 ...

Страница 8: ... on digital display will count down 7 When all time is elapsed the end of cycle Beep Tone will sound 4 times and all heating will stop The oven lamp will go off For 1 min the display shows and the cooling fan will keep working in order to cool down the interior parts During the time the fan will not stop even when you open the door 1 min later it will stop and ON appears again Food may be removed ...

Страница 9: ...king settings before starting cooking simply press once Using the Defrost Feature The Defrost feature enables you to defrost meat poultry fish NOTE Only use containers that are microwave safe 1 Open the door 2 Place the frozen food in the centre of the plate tray 3 Close the door 4 Rotate the Variable Cooking Power Control dial to the DEFROST HIGH or DEFROST LOW as you wish Result The DEFROST indi...

Страница 10: ... Put the food into a suitable container place it in the centre of the oven and then close the door securely Result The oven lamp will go off 4 Select the desired power level by pressing the Power Level Selector pad Result The selected power level will be displayed in the display window 5 Set the desired heating time by pressing the Number pads Result The selected time is displayed in the display w...

Страница 11: ...visable to press CANCEL and enter a new defrost level and time Repeat Feature You can repeat the previous cooking setting regardless of manual or automatic memory heating by pressing the START button The oven starts with exactly the same heating time and power level that were used in the last operation NOTE Repeat feature does not support for 20sec pad The repeat feature will be cancelled once the...

Страница 12: ...ations on page 12 13 The NUMBER pads will not operate or respond when you press a cooking time exceeding the maximum value NOTE It is not possible to set a cooking time for longer than the maximum time allowed on the chosen program The power level indicator will flash and it is advisable to press CANCEL and to enter a new power level and cooking time 5 Hold down PROGRAM LOCK pad and then press PRO...

Страница 13: ...the food into a suitable container place it in the centre of the oven and then close the door securely Result The oven lamp will go off 4 Press NUMBER pad Result After 2 seconds the selected memory program automatically starts heating Stopping the Cooking You can stop cooking at any time so that you can Check the food Turn the food over or stir it Leave it to stand To stop the cooking Temporarily ...

Страница 14: ... according to its type and quantity You can choose between the power levels below Power Level Percentage CM1219 1229 HIGH 100 1200W MEDIUM 70 840W LOW 50 600W HIGH DEFROST 30 360W LOW DEFROST 15 180W You cannot set the cooking time longer than maximum value allowed to each specific power level see below Power Level Max Time HIGH 25 min MEDIUM 40 min LOW 40 min HIGH DEFROST 50 min LOW DEFROST 50 mi...

Страница 15: ...n 5 Remove the nut flanges securing the magnetron by using a box wrench 6 Take out the magnetron very carefully NOTE1 When removing the magnetron make sure that its antenna does not hit any adjacent parts or it may be damaged NOTE2 When replacing the magnetron be sure to remount the magnetron gasket in the correct position and make sure the gasket is in good condition See page 19 for adjustment in...

Страница 16: ...dling Door C as is fragile NOTE The thickness of the flat screwdriver or thin metal plate inserted into the gap should be 0 5mm or less 3 Remove 2 screws securing the Door Handle to the Door E Ass y 4 Unbend the 2 metal tabs at both ends of the Door Handle to remove the Door Handle Cover from the Door Handle Upper Hinge Lower Hinge Spring Key 2 screws securing Door Handle Key Door Pin Key Screen B...

Страница 17: ...ler 5 Connect all the leads to the drive motor 6 Screw the drive motor to the bracket motor with a screw driver 4 5 2 Replacement of Ass y Stirrer 1 Remove a screw securing the drive motor 2 Open the door 3 Hold side stoppers of ceiling cover Ass y Stirrer Cover with both hands and pull them in and down 4 Take the ceiling cover out of the oven cavity 5 Remove plastic clips securing the Ass y Stirr...

Страница 18: ...9 6 Remove Control Box Ass y 7 To replace Digitron remove 2 screws securing the PCB4 8 To replace Start Button Circuitry remove 3 screws securing the PCB3 CM1229 9 Unbend the metal tabs holding the Panel Base to Control Box body 4 6 2 Removal of main P C Board 1 Remove Control Box Assembly by following the steps 1 5 at left 2 Remove 4 screws securing the main PCBoard to the bracket PCBoard NOTE Wh...

Страница 19: ...ver 2 Remove the lamp by rotating it clockwise 3 Replace with a new lamp by rotating it counter clockwise NOTE If it is necessary to replace the lamp holder you can disconnect lead wires by pushing down on the hole of lead wires using a long pointed tool 1 Open the door 2 Remove the tray by inserting a thin metal tool into the gap between the oven wall and the tray silicon cover 3 Insert the new t...

Страница 20: ...are not detachable from the Air Filter NOTE It is not necessary to remove Magnetron in order to remove HVC 1 Remove the outer panel and back cover 2 Discharge the high voltage capacitor 3 Remove HVT wire and H V Fuse 4 Remove screws securing HVC bracket 4 10 Replacement of Air Filter Plastic Spacer Pins Disassembly and Reassembly 4 11 Replacement of High Voltage Capacitor H V Capacitor ...

Страница 21: ...ON 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 Filament Terminals Primary Terminals Secondary Terminal Terminal Resistance Secondary Approx 98Ω Filam...

Страница 22: ... to the oven assembly 3 Reconnect to Monitor switch and check the continuity of the monitor circuit and all latch switches again by following the components test procedures 4 Confirm that the gap between the switch housing and the switch actuator is no more than 0 5mm when door is closed 1 The relays are located on the PCB Ass y Isolate them from the main circuit by disconnecting the leads 2 Opera...

Страница 23: ... vessel with water 2 Stir water in glass vessel with thermometer and record glass vessel s temperature T1 10 1 C 3 After moving the water into another glass vessel place it in the center of the cooking tray Set the oven to high power and operate for 26 seconds for CM1219 1229 exactly 3 secondsincluded as a holding time of magnetron oscillation 4 When heating is finished stir the water again with t...

Страница 24: ...gets closer than 2 inches erroneous readings may result 5 Measured leakage must be less than 4mW cm2 after repair or adjustment 5 10 2 Note on Measurement 1 Do not exceed the limited scale 2 The test probe must be held on the grip of the handle otherwise a false reading may result when the operator s hand is between the handle and the probe 3 When high leakage is suspected do not move the probe ho...

Страница 25: ...rimary latch switch NOTE1 monitor door sensing switch Fuse blown out 3 Defective monitor switch NOTE1 10A 1 6A 4 Shorted HVCapacitor 5 Shorted HVTransformer NOTE2 NOTE 1 All of these switches must be replaced at the same time refer to adjustment instructions Check continuity of main or power relay contacts and if it has continuity replace main or power relay also NOTE 2 When HVTransformer is repla...

Страница 26: ...over Back Cover Back Drive motor not 1 Open or loose wiring of drive motor Check the wire of drive motor work Assy stirrer 2 Defective drive motor Replace drive motor does not rotate 3 Defective ass y stirrer Replace ass y stirrer Oven stops operating 1 Operation of thermal cutout Adjust door and latch switches during cooking Magnetron or Cavity 2 Ventilation motor does not rotate Replace ventilat...

Страница 27: ...ollow the instructions above 3 Ventilation motor failure and Check if the ventilation motor is operative magnetron overheating and replace the motor if defective E41 1 Main Relay RY1 or Check Main Relay RY1 Power Relay RY2 Power Relay RY2 failure Primary S W and Monitor S W and replace 2 Loose lead wires of relay if defective 3 Primary or Monitor S W failure Check if lead wires are loosened and co...

Страница 28: ... Views and Parts List 7 1 Exploded Views 26 Samsung Electronics 7 Exploded Views and Parts List 7 1 Exploded Views MB03 MM11 MM22 MM39 MM87 MM40 MM10 MM44 MM36 MB05 MB02 MB01 MM01 MM49 MM59 MM03 MM33 MM28 MM47 MM14 MM32 MM29 MM31 MM551 MM48 MM05 MM55 MM30 MM88 1229 MM72 MM07 MB041 MB042 MM16 MM86 MM18 MM08 MM46 MM37 MB03 MB07 MM171 MM17 MM35 MM43 MM06 MM41 MM38 MM85 CM1229 CM1219 ...

Страница 29: ...CHRONOUS M2CK34A709 H B 120V60HZ 34 9r 2 MM28 DE80 10113C 2501 001114 BASE PLATE SECC1 CM1819 740nF 201KV BK 54X35X65mm 20mm 1 MM30 DE61 50120A BRACKET HVC SECC T0 6 W62 L72 2 MM31 DE91 70063A ASSY HVD V2M6 P19 0 0 05MT 2 MM32 ASSY H V FUSE 2 MM33 DE26 20162A TRANS L V SLV 1829E 230 19 7 3 1V 50Hz 4 1 MM35 DE32 10013A SENSOR THERMISTOR PT 312 K2 1 MM36 DE61 90318A HOLDER LAMP SECC T0 8 W134 L40 5 ...

Страница 30: ... 001114 C OIL 740nF 2 1KV BK 54x35x65 20mm 2 MM30 DE61 50120A BRACKET HVC SECC T0 6 W62 L72 2 MM31 DE59 70063A ASSY HVD V2M6 P19 0 0 05MT 2 MM32 DE91 70061C ASSY H V FUSE THV060T 0700 H 5KV 0 70A BLE 2 MM33 DE26 20162A TRANS L V SLV 1829E 230 19 7 3 1V 50Hz 4 1 MM35 DE32 10013A SENSOR THERMISTOR PT 312 K2 1 MM36 DE61 90318A HOLDER LAMP SECC T0 8 W134 L40 5 1 MM37 DE69 90054A CLIP STIRRER PFA 5mm C...

Страница 31: ... MC18 DE71 60428B COVER PANEL L ABS NICR COATING CM1019 1 MC19 DE71 60429B COVER PANEL R ABS NICR COATING CM1019 1 MC20 DE39 40694A WIRE HARNESS C 230V50Hz CM 1819 29 EUROPE 1 MC21 DE39 40695A WIRE HARNESS D 230V50Hz CM 1819 EUROPE 1 MC22 DE39 40692A WIRE HARNESS B 230V50HZ CM1819 29 EUROPE 1 MD04 DE92 50132B ASSY DOOR E CM 1819 COATING BLK 1 MD06 DE64 40298A DOOR C PP CM 1819 1 MD07 DE61 70144A S...

Страница 32: ...T0 5 TC CM 1829 1 MC18 DE71 60428B COVER PANEL L ABS NICR COATING CM1019 1 MC19 DE71 60429B COVER PANEL R ABS NICR COATING CM1019 1 MC20 DE39 40694A WIRE HARNESS C 230V50Hz CM 1819 29 EUROPE 1 MC22 DE39 40692A WIRE HARNESS B 230V50HZ CM1819 29 EUROPE 1 MC27 DE39 40113B WIRE HARNESS F 100V 50 60HZ RE CH1 1 MD01 DE92 40214M ASSY DOOR CM1229 STS430 1200W 1 MD04 DE92 50132B ASSY DOOR E CM 1819 COATING...

Страница 33: ...WRCH18A ZPC2 GLD W DUCT MGT R DE60 10196A SCREW TAP OH OH FH 4 L8 MSWR18C Ni SIL BASE DE60 10196A SCREW TAP OH OH FH 4 L8 MSWR18C Ni SIL COVER LAMP DE60 10196A SCREW TAP OH OH FH 4 L8 MSWR18C Ni SIL OUTPANEL DE60 10199A SCREW WASHER TH WASHER 4 L10 MSWR18C N BACK COVER DE60 10199A SCREW WASHER TH WASHER 4 L10 MSWR18C N BKT PCB DE60 10199A SCREW WASHER TH WASHER 4 L10 MSWR18C N C RESISTOR DE60 1019...

Страница 34: ...8A ZPC2 GLD W 1 MEM EARTH DE60 10194A SCREW TAPPING PH 2S M3 L12 MSWR12 ZPC2 PLA 2 DE60 10196A SCREW TAP OH OH FH 4 L8 MSWR18C Ni SIL 3 BASE DE60 10196A SCREW TAP OH OH FH 4 L8 MSWR18C Ni SIL 1 COVER LAMP DE60 10196A SCREW TAP OH OH FH 4 L8 MSWR18C Ni SIL 4 OUTPANEL DE60 10199A SCREW WASHER TH WASHER 4 L10 MSWR18C N 8 BACK COVER DE60 10199A SCREW WASHER TH WASHER 4 L10 MSWR18C N 2 BKT PCB DE60 101...

Страница 35: ...Samsung Electronics 33 8 P C B Circuit Diagrams and Parts List 8 1 P C B Circuit Diagram CM1219 ...

Страница 36: ...B Circuit Diagram CM1229 Samsung Electronics 34 8 2 P C B Circuit Diagram CM1229 Samsung Electronics 34 8 2 P C B Circuit Diagram CM1229 P C B Circuit Diagrams and Parts List P C B Circuit Diagrams and Parts List P C B Circuit Diagrams and Parts List P C B Circuit Diagrams and Parts List ...

Страница 37: ...N 1MOHM 5 1 8W AA TP 1 8X3 2MM 1 2001 000577 R CARBON 2KOHM 5 1 8W AA TP 1 8X3 2MM 2 2001 000613 R CARBON 3 9KOHM 5 1 8W AA TP 1 8X3 2MM 2 2001 000780 R CARBON 470OHM 5 1 8W AA TP 1 8X3 2MM 3 2001 000786 R CARBON 47KOHM 5 1 8W AA TP 1 8X3 2MM 2 2001 001077 R CARBON S 150OHM 5 1 2W AA TP 2 4X6 4MM 2 2003 000236 R METAL OXIDE 270ohm 5 2W AA TP 6x16mm 1 2003 000462 R METAL OXIDE S 10Kohm 5 2W AA TP 4...

Страница 38: ... R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 4 R08 12 34 35 2001 000435 R CARBON 1MOHM 5 1 8W AA TP 1 8X3 2MM 1 R05 2001 000577 R CARBON 2KOHM 5 1 8W AA TP 1 8X3 2MM 2 R04 07 2001 000613 R CARBON 3 9KOHM 5 1 8W AA TP 1 8X3 2MM2 R16 20 2001 000780 R CARBON 470OHM 5 1 8W AA TP 1 8X3 2MM 3 R01 02 11 2001 000786 R CARBON 47KOHM 5 1 8W AA TP 1 8X3 2MM 2 R50 51 2001 001077 R CARBON S 150OHM 5 1 2W AA TP 2 4X6...

Страница 39: ...37 Samsung Electronics 9 Wiring Diagram Operating Sequence 9 1 Wiring Diagram CM1219 1229 ...

Страница 40: ...r relay 1 and 2 is programmed to operate not together but alternately That means power relay 1 should not work when the power relay 2 does or relay 2 should not work when the power relay 1 does The power realy 1 is energized for 15 seconds and then the power relay 2 is energized for 15 seconds in turn One complete ON and OFF cycle time of the power relay 1 and 2 is 30 seconds The relation between ...

Страница 41: ...OST power position Inrush Relay1 and Power Relay1 are programmed to work with Inrush Relay2 and Power Relay2 not simultaneously but alternately Wiring Diagram Operating Sequence Operating Operating Time of Relays 100 70 50 power Sequence NOTE LAMP Lamp Relay 250V 5A MAIN Main Relay 250V 16A VENT Ventilation Motor Relay 250V 5A IR1 Inrush Relay1 250V 5A IR2 Inrush Relay2 250V 5A P1 Power Relay1 250...

Страница 42: ...he waveform C D below 9 2 Description of Operating Sequence continued High Voltage Transformer input power sensing circuitry Refers to the circuitry that detects and check if the input power is correctly supplied to the primary terminal of High Voltage Transformer when the microwave oven is operating If any abnormal condition eg Micro S W Relay open is detected the error code E41 E42 shows on the ...

Страница 43: ...ELECTRONICS Samsung Electronics Co Ltd MAY 2000 Printed in Korea Code No DE68 01157A ...

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