Samsung CM1019 Service Manual
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Samsung CM1019 Service Manual

Samsung CM1019 Service Manual

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SERVICE
MICROWAVE OVEN
P
MICROWAVE OVEN
CM1019 / CM1029
+ 30sec
Manual
CONTENTS
8. PCB Circuit Diagrams and Parts List

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Summary of Contents for Samsung CM1019

  • Page 1: Table Of Contents

    MICROWAVE OVEN CM1019 / CM1029 SERVICE Manual CONTENTS MICROWAVE OVEN 1. Precaution 2. Specifications 3. Operating Instructions 4. Disassembly and Reassembly 5. Alignment and Adjustments 6. Troubleshooting + 30sec 7. Exploded Views and Parts List 8. PCB Circuit Diagrams and Parts List...

  • Page 2: Precaution

    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. Samsung Electronics...

  • Page 3: Special High Voltage Precautions

    DO NOT measure the voltage in the high voltage circuit including filament voltage of magnetron. PRECAUTION Never touch any circuit wiring with your hand nor with an insulated tool during operation. PRECAUTION Servicemen should remove their watches whenever working close to or replacing the magnetron. Samsung Electronics...

  • Page 4: Specifications

    2. Specifications 2-1 Table of Specifications (CM1019) MODEL CM1019 ITEM TIMER Max. 25 min POWER SOURCE 230V/50HZ, AC POWER CONSUMPTION MICROWAVE : 1,700W OUTPUT POWER 1,000W (IEC-705) OPERATING FREQUENCY 2,450MHz MAGNETRON OM75P(20)ESS COOLING METHOD FAN MOTOR OUTSIDE DIMENSIONS 464(W) x 368(H) x 557(D)

  • Page 5: Operating Instructions

    3. Operating Instructions 3-1 Features (CM1019) VARIABLE COOKING POWER CONTROL DIAL TIMER DIAL OVEN LAMP (230V 25W) +30sec PAD DISPLAY STOP/CANCEL PAD OVEN LAMP COVER START BUTTON DOOR HANDLE CEILING COVER SAFETY INTERLOCK HOLES DOOR DOOR LATCHES PLATE TRAY 3-2 Features (CM1029)
  • Page 6 5. POWER LEVEL SELECTOR PAD 6. DEFROST SELECTOR PAD 7. DOUBLE QUANTITY PAD 8. +30sec PAD (ONE TOUCH COOK PAD) 9. STOP/CANCEL PAD 10. START BUTTON 3-4 External Views 3-4-1 External Views (CM1019) 1000 3-4-2 External Views (CM1029) 1000 Samsung Electronics...
  • Page 7 Operating Instructions 3-5 Operation Guide (CM1019) Cooking/Reheating 1. Make sure the oven is plugged into a properly earthed electrical outlet and ÔONÕ appears in the display window. 2. Open the door. The oven lamp will be turned on. 3. Put the food into a suitable container, place it in the center of the oven and then close the door securely.
  • Page 8 Operating Instructions 3-5 Operation Guide (CM1019 continued) To stop 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 * Temporarily ; Open the door or press button once.
  • Page 9 ÔONÕ appears again. Food may be removed from oven whilst the fan is still running. 8. Open the door and take the food out. 9. Close the door. The oven lamp will go off. Samsung Electronics...
  • Page 10 Like traditional cooking, you may find that, depending on the foodÕs characteristics or your tastes, you have to adjust the cooking times slightly. Before operating the oven, times can be increased/decreased using either the time pads or +30sec button. During the operating, time may only be added by using the +30sec button. Samsung Electronics...
  • Page 11 Memory programs are available up to 20 items. Make sure the unit is properly programmed. After programming is finished, all you have to do for memory cooking is to press the NUMBER pad. Then the selected memory program automatically starts cooking. Samsung Electronics...
  • Page 12 Result: Cooking stops. To resume cooking, close the door and press again. * Completely: Press the pad twice. Result: The cooking settings are cancelled. If you want to cancel any cooking settings before starting cooking, simply press CANCEL pad once. Samsung Electronics...
  • Page 13 Operating Instructions 3-5 Operation Guide (CM1019 / CM1029) Power Levels and Time Variations The power level function enables you to adapt the amount of energy dissipated and thus the time required to cook or reheat your food, according to its type and quantity. You can choose between the power levels below.

  • Page 14: 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 securing the HVT. 4. Reconnect the leads correctly and firmly. H. V. Trans 4 Mounting Bolts Samsung Electronics...

  • Page 15: Replacement Of Door Assembly

    2. Adjust so that the door has no play between the inner door surface and oven front surface. If the door assembly is not mounted properly, microwave energy may leak from the space between the door and oven. 3. Do the microwave leakage test. Samsung Electronics...
  • Page 16 If any of them are deformed, abnormal symptom can happen such as arcing or sparks during operation. Samsung Electronics...
  • Page 17 Wire Harness-B Main P.C.Board (PCB1) Wire Harness-C Digitron(PCB4) Panel-Base Wire Harness-D PCB2 Button-Select Button-Start Main P.C.Board (PCB1) Control Box AssÕy (CM1019) Wire Harness-C Digitron(PCB4) Wire Harness-B Panel Base Wire Harness-F Window-Display Cover Panel PCB3 Cover-Panel/L Switch-Membrane Control Box AssÕy Cover-Panel/R...

  • Page 18: Replacement Of Lamp

    3. Replace with a new lamp by rotating it counter- Lamp Holder clockwise. Lamp Cover 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. Outer Panel Samsung Electronics...
  • Page 19 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. H.V.Capacitor Samsung Electronics...

  • Page 20: Alignment And Adjustments

    2. Once the capacitor is charged, a normal capacitor shows continuity for a short time, and then indicates 9MW. 3. A shorted capacitor will show continuous continuity. 4. An open capacitor will show constant 9MW. 5. Resistance between each terminal and chassis should read infinite. Samsung Electronics...

  • Page 21: High Voltage Diode

    Monitor S/W(COM-NC) ¥ switches again by following the components test Monitor S/W(COM-NO) ¥ Door Sensing S/W procedures. 4. Confirm that the gap between the switch housing and the switch actuator is no more than 0.5mm when door is closed. Samsung Electronics...

  • Page 22: Output Power Of Magnetron

    5. After heating for 1 minute, 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%. Plate Tray Samsung Electronics...

  • Page 23: Check For Microwave Leakage

    ; CENTRAL SERVICE CENTER 3) At least once a year have the microwave energy survey meter checked for accuracy by its manufacturer. Samsung Electronics...

  • Page 24: Troubleshooting

    2. Defective high voltage components Check high voltage component (No heat while oven lamp H.V.Transformer according to component test procedure and fan motor turn on.) H.V.Capacitor and replace if defective. H.V.Diode, H.V.Fuse Magnetron Samsung Electronics...
  • Page 25 Oven can program but Defective circuitry of Start function Check circuitry of Start function timer does not start. of Main PCB AssÕy. of Main PCB AssÕy and replace if defective. Loose lead wires Adjust or repair loose wires. Samsung Electronics...
  • Page 26 Check if power frequency is 50Hz. 2. Defective AssÕy Main PCB Replace AssÕy Main PCB or MICOM. 1. Memory IC (EEPROM IC) failure Check Memory IC (IC3) and replace if defective. (CM1029) 2. MICOM failure Replace Assy Main PCB or MICOM. Samsung Electronics...
  • Page 27 7. Exploded Views and Parts List 7-1 Exploded Views CM1029 CM1019 (CM1029) (CM1019) Samsung Electronics...

  • Page 28: Exploded Views And Parts List

    BRACKET-SUPPORT SECC T0.5 DE96-00003B ASSY NOISE FILTER SN1830 230V/50Hz DE97-00053A ASSY PCB-MAIN CM1029 230V50Hz VFD CM1029 DE97-00052A ASSY PCB-MAIN CM1019 230V50Hz VFD CM1019 DE39-40695A WIRE HARNESS-D 230V50Hz CM1819 EUROPE CM1019 DE39-40113B WIRE HARNESS-F 100V 50/60HZ RE-CH1 CM1029 DE39-40692A WIRE HARNESS-B...
  • Page 29 SGCC2 T1.0 W15 L8 DE71-60424A COVER-CEILING MICA_SHEET T0.5 W348 L319 CM-1 DE47-20017A THERMOSTAT PW-2N(150/60 187Z) 250V/7.5A 1 DE63-90191B CUSHION-GUIDE-B PUT-FOAM T10 W50 2530 DE63-90191F CUSHION-GUIDE-F PUT-FOAM T10 W2 L700 CM1819/29 DE39-00051A WIRE HARNESS-A 230V50HZ CM1019/29 * S.N.A : Service Not Available Samsung Electronics...
  • Page 30 Exploded Views and Parts List 7-3 Exploded View & Parts List - Door Parts Parts No. Parts Name Description/Specification Q'ty Remark DE64-40298A DOOR-C PP CM1819 DE92-50132C ASSY DOOR-E CM1019 COATING BLK DE64-90145A DECORATION-DOOR ABS CM1819 DE67-20174A SCREEN-DOOR(B) TEMP-GLASS T3.2 DE64-90146A DECORATION-COV/DOOR STS CM1819 DE64-20128A...
  • Page 31 Exploded Views and Parts List 7-4 Exploded View & Parts List - Control Parts (CM1019) Parts No. Parts Name Description/Specification Q'ty Remarks DE97-00052A ASSY PCB-MAIN CM1019 230V50Hz VFD DE70-30126A PANEL-BASE RESIN-ABS ME CM1819 DE71-60427A COVER-PANEL STS430 T0.5 ME CM1829 DE71-60428B...
  • Page 32 RESIN-ABS CM1819 Ni Cr-coating DE71-60429B COVER-PANEL/R RESIN-ABS CM1819 Ni+Cr COATING DE66-20212A BUTTON-START RESIN-ABS CM1819 Ni Cr-plating DE67-40161A WINDOW-DISPLAY RESIN-PMMA 82555 CM-1819 DE39-40694A WIRE HARNESS-C 230V50Hz CM1819/29 EUROPE DE39-40692A WIRE HARNESS-B 230V50HZ CM1819/29 EUROPE DE39-40113B WIRE HARNESS-F 100V 50/60HZ RE-CH1 Samsung Electronics...
  • Page 33 TH(WASHER) + 4 L12 MSWR18C N DUCT-OVEN DE60-10197A SCREW-WASHER TH(WASHER) + 4 L12 MSWR18C N OUTPANEL DE60-10197A SCREW-WASHER TH(WASHER) + 4 L12 MSWR18C N SUP-FAN DE60-20021A BOLT-HEX MSWR3 TAP 5X12S YELLOW HINGE DE60-30015A NUT-FLANGE M5 P0.8 MSWR10 FEFZY Samsung Electronics...
  • Page 34 8. P.C.B Circuit Diagrams and Parts List 8-1 P.C.B Circuit Diagram (CM1019) Samsung Electronics...
  • Page 35 P.C.B Circuit Diagrams and Parts List 8-2 P.C.B Circuit Diagram (CM1029) Samsung Electronics...
  • Page 36 P.C.B Diagrams and Parts List 8-3 P.C.B Parts List (CM1019) Parts No. Parts Name Description / Specification Q'ty Remarks DE97-00052A ASSY PCB-MAIN CM1019 230V50Hz VFD 3002-000198 BUZZER-PIEZO 80dB 4KHz ST BUZ1 3406-000175 SWITCH-ROTARY 28V 10mA DP36T 18.8mm ECD2 3406-001032 SWITCH-ROTARY...
  • Page 37 P.C.B Diagrams and Parts List 8-3 P.C.B Parts List (CM1019 continued) Parts No. Parts Name Description / Specification Q'ty Remarks 2401-000180 C-AL 1000uF 20% 35V GP 16x25x7.5m 2401-000466 C-AL 10uF 20% 35V GP TP 5x7 5 2401-000598 C-AL 1uF 20% 50V GP TP 4x7 5...
  • Page 38 3.9Kohm 1% 1/8W AA TP 1.8x3.2m 2011-000582 R-NETWORK 47Kohm 5% 1/8W A SIP 9P TP AR1,2 2202-000121 C-CERAMIC,MLC-AXIAL 100pF 10% 50V Y5P TP 1.9x3.5 C16~20 2202-000780 C-CERAMIC,MLC-AXIAL 100nF +80-20% 50V Y5V TP 3.5x1 C04,6,7,9,15,21 2202-000205 C-CERAMIC,MLC-AXIAL 22pF 5% 50V SL TP(26mm) 1.9x3. C10,11 Samsung Electronics...
  • Page 39 BOX 3P 1R 2.5mm STRAIGHT SN CN13,9 3711-000940 CONNECTOR-HEADER BOX 4P 1R 2.5mm STRAIGHT SN 3711-000999 CONNECTOR-HEADER BOX 5P 1R 2.50mm STRAIGHT SN DE13-20009A KA7533 DIP DE39-60001A WIRE-SO COPPER PI0.6 SN T 52MM TAPING_WIRE J04~06,08~38 DE41-10441A P.C.B-MAIN FR-1 T1.6 W197 L296 CM-1819 Samsung Electronics...

  • Page 40: Wiring Diagram & Operating Sequence

    9. Wiring Diagram & Operating Sequence 9-1 Wiring Diagram (CM1019/1029) Samsung Electronics...

  • Page 41: Description Of Operating Sequence

    High Voltage Transformer and thus to oscillate the magnetron. The relation between indications on the display window and the output power of the microwave oven is as shown in figure below. Note : One second inclued as a time for starttng the magnetron oscillation. Samsung Electronics...
  • Page 42 Operating Time of Relays (100%, 70%, 50% power) Sequence Note : LAMP: Lamp Relay (250V 5A) MAIN : Main Relay (250V 16A) FAN : Fan Motor Relay (250V 5A) IR : Inrush Relay (250V 5A) POWER : Power Relay (250V 16A) Samsung Electronics...

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Cm1029

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