Samsung CM1069A Service Manual
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Samsung CM1069A Service Manual

Samsung CM1069A Service Manual

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Refer to the service manual in the GSPN(see rear cover) for the more information.
BASIC:
CM1069
MODEL:
CM1069A
MODEL CODE: CM1069A/XEU
1. Precaution
2. Product Specification
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded Views and Part List
6. PCB Diagrams
7. Wiring Diagrams
8. Schematic Diagrams

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Summary of Contents for Samsung CM1069A

  • Page 1 BASIC: CM1069 MODEL: CM1069A MODEL CODE: CM1069A/XEU 1. Precaution 2. Product Specification 3. Disassembly and Reassembly 4. Troubleshooting 5. Exploded Views and Part List 6. PCB Diagrams 7. Wiring Diagrams 8. Schematic Diagrams Refer to the service manual in the GSPN(see rear cover) for the more information.

  • Page 2: Table Of Contents

    • Contents 1. Precaution ................3 1-1 Safety precautions .

  • Page 3: Precaution

    1. Precaution...

  • Page 4: Safety Precautions

    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 ( 1.

  • Page 5: Special High Voltage Precautions

    1. Precaution 1- Special High Voltage Precautions 1. High Voltage Warning Do not attempt to measure any of H . V . Capacitor the high voltages --this includes the filament voltage of the magnetron . High voltage is present during any cook cycle . Before touching any components or wiring, always unplug the oven and discharge the high voltage capacitor (See Figure 1-1)

  • Page 6: Specifications

    - Sanitary Stainless Steel Cavity. - Easy-to-use Dial Control Type. 2-2 Table of Specifications Model Items Model Basic Model New MODEL NAME CM1069/XEU CM1069A/XEU Power Source 230V ~ 50Hz 230V ~ 50Hz Power consumption Microwave 1600W, 7A 1600W, 7A Output Power 230V / 1050W (IEC-705)

  • Page 7: Disassembly And Reassembly

    3. Disassembly and Reassembly 3-1 Disassembly 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) Parts Explaination Photo Explaination 1. Disconnect all lead wires from the magnetron and lamp .
  • Page 8 3. Disassembly and Reassembly 3-1 Disassembly of Magnetron, Motor Assembly and Lamp Parts Explaination Photo Explaination 4. Remove screws securing the magnetron to the wave guide . M a g n e t r o n , 5. Take out the magnetron very Motor Assembly carefully .

  • Page 9: Replacement Of High Voltage Trancefomer

    3. Disassembly and Reassembly 3-1 Disassembly of Magnetron, Motor Assembly and Lamp Parts Explaination Photo Explaination Magnetron, 8. Remove the oven lamp from Motor Assembly hole of air cover . and Lamp NOTE1: When removing the magnetron, make sure that its antenna does not hit any adjacent parts, or it may be damaged .
  • Page 10 3. Disassembly and Reassembly 3- Replacement of High Voltage Trancefomer Parts Explaination Photo Explaination 3. Remove the mounting bolts . High Voltage Transformer 4. Replace the High Voltage Transformer After replace, reconnect the leads correctly and firmly. PRECAUTION Servicemen should remove their watches whenever working close to or replacing the magnetron . PRECAUTION There exists HIGH VOLTAGE ELECTRICITY with high current capabilities in the circuits of the HIGHVOLTAGE TRANSFORMER secondary and filament terminals.

  • Page 11: Replacement Of Door Assembly

    3. Disassembly and Reassembly 3-3 Replacement of Door Assembly Parts Explaination Photo Explaination Screw Screw Upper Upper Hinge Hinge Removal Remove hex bolts securing the upper of Door hinge and lower hinge . Then remove the door assembly . Assembly Screw Screw Lower...

  • Page 12: Replacement Of Door Assembly

    3. Disassembly and Reassembly 3-4 Replacement of Door Assembly 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.
  • Page 13 3. Disassembly and Reassembly 3-6 Replacement of Drive Motor Parts Explaination Photo Explaination 6. Lift out the motor . 5. When replacing the motor, be sure to remount it in the correct position . NOTE : The shaft of motor should fit tip coupler.

  • Page 14: Replacement Of Control Circuit Board

    3. Disassembly and Reassembly 3-7 Replacement of Control Circuit Board Parts Explaination Photo Explaination 1. Be sure to ground any static electric charge in your body and never touch the control circuit . Removal of . Disconnect the connectors from the control circuit board .

  • Page 15: Troubleshooting

    4. Troubleshooting 4. Troubleshooting 4-1 Error Code Numbering Rule 1. ERROR CODE NUMBERING RULE is applied to a microwave oven and an oven .(CMO, OTR, Grill, Convection, Commercial etc .) . All sensors and devices have their own number . ex) Gas Sensor = 1, Temp . Sensor = 2, . . . 3.
  • Page 16 4. Troubleshooting Weight Sensor Error Gas Sensor Error Case (E-1X) Solution Page Code E-31 Open (When value of HEX is above “FF” for 5 seconds) 17 Page E-32 Short 18 Page In case the initial value of HEX is under “14” for 30 E-33 seconds while a weight sensor in operation .

  • Page 17: Electrical Malfunction

    4. Troubleshooting 4-3 Electrical Malfunction 4-3-1 Sensor Open Error “E-11, E-21, E-27, E-29, E-2B, E-31, E-32, E-41, E-46, E-61” is displayed. Connect the sensor. Is the sensor disconnected? : Check if the sensor housing is inserted into the connector of the main PCB. Is the sensor wire Connect the : Check if the sensor wire is damaged, if the...
  • Page 18 4. Troubleshooting 4-3- Sensor Short Error “E-12, E-22, E-28, E-32, E2A, E-2C, E-42, or E-62” is displayed. Remove the shorted part : Check if both terminals of the Is the sensor shorted? of the temperature sensor. sensor are slightly shorted. Is the sensor terminal part : Check if the sensor and related Remove any foreign...
  • Page 19 4. Troubleshooting 4-3-3 Sensor Max Time Error “E-13, E-14, E-43, E-44, E-63,” is displayed.. Does it heat up without Insert food : Since heating without placing food into placing food into it? and heat it again. the oven may damage the product, take care. Does it heat with completely Place food with : Since heating completely dried food...
  • Page 20 4. Troubleshooting 4-3-4 Key Short Error “- SE -” is displayed. Is the key not recognized at all? Is the key recognized intermittently? Is a specific key not recognized? The membrane is defective. S/W Error Replace the Control Panel. After Power > On, does the symptom continue? Replace the PCB.
  • Page 21 4. Troubleshooting 4-3-5 Weight Sensor Error “E-33, E-34 or E-35” is displayed. Has the turntable been placed over the roller properly? Place the turntable over the roller properly. Is the weight sensor Remove the foreign contaminated by any foreign substance. substance? Does the roller turn Place the food...
  • Page 22 4. Troubleshooting 4-3-6 Door Open Error (PH-Sensor, Weight Sensor) “E-36 or E-47” is displayed. Was the door open during Close the door. the operation? Check the Door S/W : Check the housing connected to Is the door sensing part normal? and the housing.
  • Page 23 4. Troubleshooting 4-3-7 Cooling Error “E-45” is displayed. Remove any moisture : To remove moisture from the sensor, Is the sensor wet? of the sensor. open the door for 5 minutes. Check the sensor Is the sensor voltage over 3V? : Check if the GND and sensor terminal terminal and housing.
  • Page 24 4. Troubleshooting 4-3-8 EEPROM Error “E-51, E-53, or E-54” is displayed. Insert and solder : An R4LCO40 or 24LCO4 EEPROM EEPROM이 삽입 되었는가? Has the EEPROM been inserted? an EEPROM is to be used. Check if a proper EEPROM has been installed. Replace the Is the EEPROM terminal opened or EEPROM 단자가...
  • Page 25 4. Troubleshooting 4-3-11 Cooling Fan Motor Sensor Error “ E-0b, E-2b, E-2C, Ot” is displayed. Is the temperature An “E-2b” error sensor of the PCB open? occurred. Insert the Was there a short- temperature sensor. circuit in the temperature An “E-2C, 0t” error occurred. sensor of the PCB? Repair the short circuit.
  • Page 26 4. Troubleshooting 4-3-1 Preheating Error “ E-23, E-26” is displayed. Check the heater : Check the voltages of Does the heater work? related drive part. both heater terminals. Replace the Is the heater temperature : After operating the heater for more then heater.
  • Page 27 4. Troubleshooting 4-3-13 Cooking Time Over Selection Error “E-02, E-03, E-04, or E-05” is displayed. Is this happening during the MW operation? Is it happening during the Grill operation? Over Time is Over Time is set? set? Is it happening during the Convection operation? An “E-03”...
  • Page 28 4. Troubleshooting 4-3-14 Oven Temperature Error “E-24” error code is displayed. “E-09, E-24, E-0A” 가 표시된다 Is the oven internal temperature An “E-09” error maintained over 320 degrees? occurred. Has the oven internal temperature An “E-24, E-0A” error reached over 350 degrees? occurred.
  • Page 29 4. Troubleshooting 4-3-15 Initial Temperature Error (at MW mode) An “E-25” error occurred. Is the oven in MW mode? An “E-25” error Is the internal temperature occurred. over 200 degrees? Press the Cancel key. Press the Cancel key to cancel the current state.
  • Page 30 4. Troubleshooting 4-3-16 Swing Heater Detection Error An “E-06” error code is displayed. Is the oven in Bake Toast mode? After waiting for 20 seconds, Has the switch heater operated for 20 seconds? check if the micro-switch has been detected. The micro-switch is Has the micro-switch defective Replace it.
  • Page 31 4. Troubleshooting 4-3-17 If oven malfunction *Inspection method Oven does not operate. Is Primary interlock Is Fuse OK? switch normal? Is Power Relay normal? Is the magnetron Replace switch temperature switch normal? Power supply circuit check point Do check power supply Is SMPS power supply cirduit normal? circuit...
  • Page 32 4. Troubleshooting 4-3-18 If button malfunction Buttons of the control panel do not work. *Inspection method Are button pressed Refer to User Manual in the correct order? Tact type Is the connector of the control panel normal? Replace PCB. Menbrane type...
  • Page 33 4. Troubleshooting 4-3-19 If food is not heated even though an oven works *Inspection method Food is not heated even though an oven works. Is the latch switch Method to control latch switch operating normally? Checking high voltage circuits...

  • Page 34: Exploded Views And Parts List

    5. Exploded Views and Parts List 5-1 Exploded Views W002 M057 M001 M029 M002 M052 T002 M015 M019 T108 P109 P001 M017 M051 M023 M038 H018 T036 B018 M036 M155 M020 B001 B006 M045 M049 B017 M035 B002 B010 M037 B026 B001 B011...

  • Page 35: Main Parts List

    5. Exploded Views and Parts List 5- Main Parts List (S.N.A : SERVICE NOT AVAILABLE) Specification Level Code No. Description Q’ty Remark M036 4713-001046 LAMP-INCANDESCENT 240V,104mA,25W,ORG,-,- M038 DE26-00051A TRANS H .V SHV-E1049A,230V,50HZ,2255V/3 .5 M049 DE31-10173C MOTOR SYNCHRONOUS -,SEMI-COMM,-,-,-,21V, W002 DE39-00234B WIRE HARNESS-A CM1049,-,-,-,-,-,-,-,-,-, M029...

  • Page 36: Door Parts List

    5. Exploded Views and Parts List 5-3 Door Parts List D004 D009 D015 D010 D005 D006 D007 D068 D011 D019 D049 D026 (S.N.A : SERVICE NOT AVAILABLE) Specification Level Code No. Description Q’ty SA/SNA Remark D049 DE94-01534A ASSY DOOR CM1069,-,SUS+ABS,INVERTER D005 DE01-00002B FILM-DOOR...

  • Page 37: Control Parts List

    5. Exploded Views and Parts List 5-4 Control Parts List C082 C133 C003 C009 C004 C079 C005 (S.N.A : SERVICE NOT AVAILABLE) Specification Level Code No. Description Q’ty SA/SNA Remark C082 DE94-00394L ASSY CONTROL-BOX 240V/50HZ,CM1069/XEU,-, C079 DE94-00393K ASSY CONTROL-SUB 240V/50HZ,CM1069/XEU,-, C004 DE34-00097C SWITCH MEMBRANE...

  • Page 38: Standard Parts List

    5. Exploded Views and Parts List 5-5 Standard Parts List (S.N.A : SERVICE NOT AVAILABLE) Specification Level Code No. Description Q’ty Remark 6002-001250 SCREW-TAPPING TH,+,2,M4,L8,Tin-Ni,SWRC18 O/PANEL RIGHT 6006-001170 SCREW-ASSY TAPP WS,TH,+,M4,L10,ZPC(YEL) PCB-EAR 6006-001176 SCREW-ASSY TAPT WT,PH,+,M4,L8,ZPC(YEL) DRIVE MOTOR DE60-10080A SCREW-WASHER -,-,-,-,M5,L12,-,2S,-,- DE60-10082I SCREW-A...

  • Page 39: Pcb Diagrams

    6. PCB Diagrams 6-1 PCB Diagrams (This Document can not be used without Samsung’s authorization)

  • Page 40: Wiring Diagrams

    7. Wiring Diagrams 7. Wiring Diagrams 7-1 Wiring Diagrams (This Document can not be used without Samsung’s authorization)
  • Page 41 7. Wiring Diagrams 7-1 Wiring Diagrams (This Document can not be used without Samsung’s authorization)

  • Page 42: Schematic Diagrams

    8. Schematic Diagrams 8. Schematic Diagrams 8-1 Schematic Diagrams (This Document can not be used without Samsung’s authorization)
  • Page 43 .samsungportal .com cis .samsungportal .com Europe europe .samsungportal .com China china .samsungportal .com Asia asia .samsungportal .com Mideast & Africa mea .samsungportal .com © Samsung Electronics Co ., Ltd . September . 2007 Printed in Korea Code No . : DE68-04628A...

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