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Samsung C105AR-5 Service Manual

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MICROWAVE OVEN
C105AR-5
SERVICE
Manual
MICROWAVE OVEN
CONTENTS
SER

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Summary of Contents for Samsung C105AR-5

  • Page 1: Table Of Contents

    MICROWAVE OVEN C105AR-5 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 Diagrams 9. Schematic Diagrams...
  • Page 2 This Service Manual is a property of Samsung Electronics Co.,Ltd. © Samsung Electronics Co., Ltd. June 2004 Any unauthorized use of Manual can be punished under applicable Printed in Korea International and/or domestic law. Code No. : DE68-03593A...
  • Page 3 PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY (a) Do not operate or allow the oven to be (c) Before turning on microwave power for operated with the door open. any service test or inspection within the (b) Make the following safety checks on all microwave generating compartments, ovens to be serviced before activating the...

  • Page 4: Precaution

    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 1-2 Special Servicing Precautions (Continued) 17. When checking the continuity of the witches or transformer, always make sure that the power is OFF, and one of the lead wires is disconnected. 18. Components that are critical for safety are indi- cated in the circuit diagram by shading, 19.

  • Page 6: Specifications

    2. Specifications 2-1 Table of Specifications TIMER 99 MINUTES POWER SOURCE 230V 50Hz, AC POWER CONSUMPTION MICROWAVE : 1,400W GRILL : 1,300W CONVECTION : 1,700W OUTPUT POWER FROM 100 TO 900W(6 LEVEL POWER) (IEC-705 TEST PROCEDURE) OPERATING FREQUENCY 2,450MHz MAGNETRON OM75PH(31) COOLING METHOD COOLING FAN MOTOR...

  • Page 7: Operating Instructions

    3. Operating Instructions 3-1 Control Panel 3-2 Features & External Views Door Ventilation Holes Light Safety Interlock Holes Control Panel Guide Roller Glass Plate Door Latches Coupler Grill Rack 348mm 352mm 517mm 516mm - 4 -...

  • Page 8: Disassembly And Reassembly

    4. Disassembly and Reassembly 4-1 Replacement of Magnetron, Motor Assembly and Lamp Remove the magnetron including the shield case, Thermos S/W Cover Air permanent magnet, choke coils and capacitors Magnetorn (all of which are contained in one assembly). 1. Disconnect all lead wires from the magnetron and lamp.
  • Page 9 4-3 Replacement of Door Assembly 4-3-1 Removal of Door Assembly Remove hex bolts securing the upper hinge and lower hinge. Then remove the door assembly. Screw U p p e r H i n g e S c r e w Screw Upper Hinge S c r e w...
  • Page 10 4-3-5 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. 1. When mounting the door to the oven, be sure to adjust the door parallel to the bottom line of the oven face plate by moving the upper hinge and lower hinge in the direction necessary for proper alignment.
  • Page 11 4-6 Replacement of Control Circuit Board 4-6-1 Removal of Control Box Assembly 1. Be sure to ground any static electric charge in your body and never touch the control circuit. 2. Disconnect the connectors from the control circuit board. 3. Remove screws securing the control box assembly. 4.

  • Page 12: Alignment And Adjustments

    5. Alignment and Adjustments PRECAUTION 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.
  • Page 13 5-4 High Voltage Capacitor 1. Check continuity of the capacitor with the meter set at the highest resistance scale. 2. Once the capacitor is charged, a normal capacitor shows continuity for a short time, and then indicates 9MΩ. 3. A shorted capacitor will show continuous continuity. 4.
  • Page 14 5-8 Output Power of Magnetron CAUTION MICROWAVE RADIATION PERSONNEL SHOULD NOT ALLOW EXPOSURE TO MICROWAVE RADIATION FROM MICROWAVE GENERA- TOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY. The output power of the magnetron can be measured by performing a water temperature rise test. Equipment needed : * Two 1-liter cylindrical borosilicate glass vessel (Outside diameter 190 mm) * One glass thermometer with mercury column...
  • Page 15 5-9 Procedure for Measurement of Microwave Energy Leakage 1. Pour 275±15cc of 20±5°C(68±9°F) water in a beaker which is graduated to 600cc, and place the beaker in the center of the oven. 2. Start to operate the oven and measure the leakage by using a microwave energy survey meter.

  • Page 16: Troubleshooting

    6. Troubleshooting PRECAUTION 1. CHECK GROUNDING BEFORE CHECKING FOR TROUBLE. 2. BE CAREFUL OF THE HIGH VOLTAGE CIRCUIT. 3. DISCHARGE THE HIGH VOLTAGE CAPACITOR. 4. WHEN CHECKING THE CONTINUITY OF THE SWITCHES OR TRANSFORMER, DISCONNECT ONE LEAD WIRE FROM THESE PARTS AND THEN CHECK CONTINUITY WITHOUT THE POWER SOURCE ON. TO DO OTHERWISE MAY RESULT IN A FALSE READING OR DAMAGE TO YOUR METER.
  • Page 17 6-1 Electrical Malfunction(continued) SYMPTOM CAUSE CORRECTIONS Oven lamp and fan motor turn on 1. Misadjustment or loose wiring of Adjust door and latch switches. primary latch switch 2. Defective primary latch switch Oven can program but timer 1. Open or loose wiring of secondary Adjust door and interlock switches.

  • Page 18: Exploded Views And Parts List

    7. Exploded Views and Parts List 7-1 Exploded Views W003 M001 P186 M005 M013 M095 W006 M113 M008 M010 M011 M015 M053 M019 H008 M017 W002 M012 M054 M020 H018 M029 M036 B018 B006 M051 T009 B001 T010 M049 M035 B002 M048 M038...
  • Page 19 7-2 Main Parts List Code No. Description Specification Q’ty Remark B001 3405-001034 SWITCH-MICRO 125/250VAC,16A,200GF,SPST-N DOORW,PRI B002 3405-001032 SWITCH-MICRO 125/250VAC,16A,200GF,SPDT B006 DE72-00137B LATCH-BODY PG113R,NYLON,WHT,-,-,-,-,- B010 DE66-00093B LEVER-SWITCH(A) PG113R,NYLON,NTR,HANDLE, B011 DE66-00094B LEVER-SWITCH(B) PG113R,NYLON,NTR,HANDLE, B018 DE96-00120Q ASSY BODY LATCH PG117R(TBMO/SIDE),NYLON H008 6031-001424 WASHER-PLAIN PTFE,-,ID22.2,OD28,T1.7,WHT H018 DE31-90051A...
  • Page 20 7-3 Door Parts List D049 - ASSY DOOR D003 D009 D004 D002 D010 D006 D007 D024 D011 D019 Code No. Description Specification Q’ty Remark D002 DE64-00726A DOOR-A C105,PC(LEXAN141),PURE-WHT,CONV-1 D003 DE67-20185C SCREEN-DOOR CK95/CK99,-,T2.0,W317.5,L198 D004 DE94-00910J ASSY DOOR-E(COATING) 5th. 1.0 Convectio D006 DE64-40012C DOOR-C CK95,PBT,-,-,-,-,BLK,-...
  • Page 21 C019 Code No. Description Specification Q’ty Remark C002 DE94-00848Q ASSY CONTROL-PANEL -,C105AR-5/BWT,PC/PUR C003 RCS-C105-09 ASSY PCB PARTS C107A-5/XEF,230V50HZ C005 DE64-00735P CONTROL-PANEL C105AR-5/BWT,PC LEXAN#141, C009 DE64-00732A WINDOW-DISPLAY C105,SAN(CR5381),CONV-1.0 C011 DE64-00729A BUTTON-SELECT(A) C105,PC(LEXAN141),PURE- C019 DE64-00744D BUTTON-START C105R/BWT/C105FR/BWT,PC LEX C028 DE64-00746B KNOB-COVER C105,PC,WHT,-,-,-,-,-,-...
  • Page 22 7-5 Casing Parts List H016 - ASSY CASING H001 H002 H011 H013 H004 M004 H005 H002 H017 H024 H024 H007 H003 H008 Code No. Description Specification Q’ty Remark H001 DE31-10171A MOTOR CONVECTION SMC-105EA,230V/50HZ,280 H002 DE31-90019A BLADE-FAN SECC,T0.6,-,-,-,-,- H002 DE31-90020A BLADE-FAN ALSTAR,T0.6,W250,L250,-,-,- H003 DE47-70077A...
  • Page 23 7-6 Standard Parts List Description Specification Remark Code No. Q’ty DE60-20063A BOLT-FLANGE M4,10,ZPC3,YEL,MSWR,-,-,-,- HING-L/U NUT-FLANGE M4,MSWR10,-,-,-,-,-,-,- SENSOR DE60-30016A DE60-30016B NUT-FLANGE M4,MSWR10,FEFN,-,-,-,-,-,- HEATER-CONV DE60-30016B NUT-FLANGE M4,MSWR10,FEFN,-,-,-,-,-,- MOTOR-CONV 6001-000033 SCREW-MACHINE TH,+,M4,L10,-,STS304,- SENSOR 6006-001171 SCREW-MACHINE WS,PH,+,M4,L8,NI PLT B-EARTH SCREW-TAPPING TH,+,2S,M4,L10,PASS,STS304 C-CEILING 6002-001079 6002-001320 SCREW-TAPPING TH,+,2S,M4,L8,PASS,STS304,- B-HEATER...
  • Page 24 8-2 P.C.B Parts List Code No. Description Specification Q’ty Remark DE30-20016A BUZZER CBE2220BA,STICK,-,-,-,-,-,-,- BUZ1 2401-000151 C-AL 1000 F,20%,25V,GP,TP,10 20,5 2401-000244 C-AL F,20%,10V,GP,TP,6.3 2401-000598 C-AL F,20%,50V,GP,TP,4 2401-000911 C-AL F,20%,16V,GP,TP,5 2401-001428 C-AL F,20%,50V,GP,TP,10 20,5 2203-000192 C-CER,CHIP F,+80-20%,50V,Y5V,TP,2012, C06~C9,C11,C14~C19 2203-000444 C-CER,CHIP F,10%,50V,X7R,TP,2012,- C12,C13 2203-000555 C-CER,CHIP 0.02NF,5%,50V,C0G,TP,2012...

  • Page 25: Pcb Diagrams

    8. P.C.B Diagrams 8-1 P.C.B Diagrams ( This Document can not be used without Samsung’s authorization ) OJ02 OJ01 BUZ1 CBE2220BA LED1 CSE-4258 - 21 -...

  • Page 26: Schematic Diagrams

    9. Schematic Diagrams 9-1 Schematic Diagrams ( This Document can not be used without Samsung’s authorization ) MAGNETRON HIGH VOLTAGE DIODE TO CHASSIS HIGH VOLTAGE CAPACITOR H.V.FUSE SYMBOL COLOR BROWN BLACK BLUE HIGH VOLTAGE TRANSFORMER - 23 -...

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