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Samsung CK135M Service Manual

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SERVICE
MICROWAVE OVEN
MICROWAVE OVEN
CK135M / 138FM
1min+
/
GB/F/D/E/I/NL/R
/ C
Auto
8. PCB Diagrams
Manual
CONTENTS

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  Summary of Contents for Samsung CK135M

  • Page 1: Table Of Contents

    MICROWAVE OVEN CK135M / 138FM SERVICE Manual CONTENTS MICROWAVE OVEN 1. Precaution 2. Specifications 3. Operating Instructions 4. Disassembly and Reassembly 5. Alignment and Adjustments 1min+ GB/F/D/E/I/NL/R 6. Troubleshooting Auto 7. Exploded Views and Parts List 8. PCB Diagrams 9. Schematic Diagrams...
  • Page 2: Microwave Energy

    (5) evidence of dropping or abuse. (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...
  • Page 3: Precaution

    16. Always connect a test instrument's ground 10. Service technicians should remove their lead to the instrument chassis ground before watches while repairing an MWO. connecting the positive lead; always remove the instrument's ground lead last. Samsung Electronics...
  • Page 4: Special High Voltage Precautions

    Samsung Electronics...
  • Page 5: Specifications

    2. Specifications 2-1 Table of Specifications MODEL CK135M / 138FM ITEM TIMER 99 MINUTES POWER SOURCE 230V/50HZ, AC POWER CONSUMPTION MICROWAVE : 1,500W,GRILL : 1,300W, CONVECTION : 1700W OUTPUT POWER FROM100 TO 900W (6 LEVEL POWER) (IEC-705 TEST PROCEDURE) OPERATING FREQUENCY...
  • Page 6: Operating Instructions

    3-2 Features & External Views Door Ventilation Holes Light Safety Interlock Holes 1m in+ GB/F/D/E/I/NL/R Control Panel Auto Guide Roller Glass Plate Door Latches Coupler Grill Rack 1min+ GB/F/D/E/I/NL/R Auto 231.5 mm 401.5 mm 556 mm 544.5 mm Samsung Electronics...
  • Page 7: Disassembly And Reassembly

    HIGH VOLTAGE TRANSFORMER secondary and filament terminals. It is extremely dangerous to work on or near these circuits with the oven energized. DO NOT measure the voltage in the high voltage circuit including filament voltage of magnetron. Samsung Electronics...
  • Page 8 7. When replacing the drive motor, be sure to remount it in the correct position with the coupler. 8. Connect all the leads to the drive motor. Drive Motor Cover Base Plate 9. Screw the drive motor cover to the base plate with a screw driver. Samsung Electronics...
  • Page 9: Replacement Of Control Circuit Board

    2. Disconnect the connectors from the control circuit board. 3. Remove screws securing the control circuit bord. 4. Lift up the control circuit board from right side and remove the hooks holding the contol circuit board to the box assembly. SCREWS Samsung Electronics...
  • Page 10: 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 magnetron case should read open. Cooling Fins Samsung Electronics...
  • Page 11: High Voltage Capacitor

    Door Open Door Closed procedures. ∞ Primary switch 5. Confirm that the gap between the switch ∞ Monitor switch (COM-NC) housing and the switch actuator is no more than ∞ Door Sensing S/W 0.5mm when door is closed. Samsung Electronics...
  • Page 12 NOTE 1: Variations or errors in the test procedure will cause a variance in the temperature rise. Additional power test should be made if temperature rise is marginal. NOTE 2: Output power in watts is computed by multiplying the temperature rise (step 5) by a factor of 90 times the of centigrade temperature. Samsung Electronics...
  • Page 13: Procedure For Measurement Of Microwave Energy Leakage

    ; CENTRAL SERVICE CENTER 5-12-2 At least once a year have the microwave energy survey meter checked for accuracy by its manufacturer. Samsung Electronics...
  • Page 14: Troubleshooting

    H.V.Transformer component test procedure and replace if it is H.V.Capacitor defective. H.V.Diode,H.V.Fuse 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 15 Use plastic wrap or cover with a lid. Stir once or twice while cooking foods such as soup, cocoa, or milk. Noise from the turntable motor Noise may result from the motor. Replace turntable motor. when it starts to operate. Samsung Electronics...
  • Page 16: Exploded Views And Parts List

    MM25 MM08 MM16 MB01 MM56 MM22 MM28 MM102 MB05 MB03 MM88 MB02 MM641 MM09 MM18 MM14 MM29 MB04 MM19 MM642 MM30 MM20 MM31 MM103 (CK138FM) MM106 MM32 (CK138FM) MM27 MM33 MM105 MM93 (CK138FM) MM100 MM104 MM91 (CK138FM) (CK138FM) Samsung Electronics...
  • Page 17: Main Parts List

    Exploded Views and Parts List 7-2 Main Parts List CK135M/138FM/XEF Code No. Description Specification Q'ty Remark MB01 DE93-20020D ASSY BODY LATCH M959/XSA,-,-,-,- MB02 3405-000175 SWITCH-MICRO 250V,15A,200gf,SPST-NO MB03 3405-000178 SWITCH-MICRO 250V,15A,200gf,SPST-NO MB04 DE66-90054B LEVER-SWITCH NYLON#66(2021SW),40G,M959/XSA, MB05 DE66-40021B LATCH-BODY NYLON#66(2021SW),40g,M959/XSA, MM01 DE70-30002Z PANEL-OUTER SECC,T0.6,W424.7,L1115,BROWN,CK135M,-...
  • Page 18 Exploded Views and Parts List 7-2 Main Parts List CK135M/138FM/XEF Code No. Description Specification Q'ty Remark MM71 DE61-50490A BRACKET-TCO SECC1,T0.6,34,58,-,-,- MM72 DE61-50347A BRACKET-EARTH BSS2-A,T1.0,W35,L43,MBGF45,-,- MM88 DE73-90027A FERRITE-CORE NI-ZN,T13.8,W21.0,L28.0,BNF-14 MM91 DE74-20025C TRAY-CONVENTION SPP,TO.8,W12,L325.9.CE104CF,-,-,- MM93 DE60-60025A PIN-FOOT PP-JI350,BLK,-,-,-,-,-,- MM100 DE92-90534A ASSY-TRAY BROILER...
  • Page 19 Exploded Views and Parts List 7-3 Door Parts List MD08 MD04 MD06 MD17 MD09 MD02 MD07 MD10 CUSHON DOOR TAPE-DOUBLE FACE MD01 MD15 CK135M/138FM/XEF Code No. Description Specification Q'ty Remark DE94-00298C ASSY DOOR CK135M,BROWN,- MD01 MD02 DE64-00084C DOOR-A CK135M,PC(TRIREX),-,-,-,-,- MD04...
  • Page 20: Control Parts List

    Exploded Views and Parts List 7-4 Control Parts List MC03 MC06 MC10 MC28 MC15 MC07 MC32 MC01 MC27 MC13 MC33 CK135M/138FM/XEF Code No. Description Specification Q'ty Remark MC01 DE94-00299E ASSY CONTROL-BOX -,CK135M,BROWN,- CK135M MC01 DE94-00299F ASSY CONTROL-BOX -,CK138M,BROWN,- CK138FM MC03...
  • Page 21: Casing Parts List

    Exploded Views and Parts List 7-5 Casing Parts List MM74 MM80 MM17 MM76 MM78 MM57 MM75 MM83 MM751 MM81 MM77 MM82 MM100 MM73 CK135M/138FM/XEF Code No. Description Specification Q'ty Remark MM73 DE92-90478K ASSY-CASING CK135T,COVER-CASING,-,-,-,- MM74 DE31-10171A MOTOR-CONVECTION SMC-105EA,230V/50HZ,2800RPM,-, MM75 DE31-90019A BLADE-FAN SECC,T0.6,-,-,-,-,- MM751 DE31-90020A BLADE-FAN ALSTAR,T0.6,W250,L250,-,-,-...
  • Page 22: Standard Parts List

    Exploded Views and Parts List 7-6 Standard Parts List CK135M/138FM/XEF Code No. Description Specification Q'ty Remark DE60-30016A NUT-FLANGE M4,MSWR10,-,-,-,-,-,-,- SENSOR DE60-10012A SCREW-TAP TITE TH,+,3,M4,L10,SWR10,ZPC2,TOOTH N-F-EA DE60-10012A SCREW-TAP TITE TH,+,3,M4,L10,SWR10,ZPC2,TOOTH P-C-EA DE60-10012A SCREW-TAP TITE TH,+,3,M4,L10,SWR10,ZPC2,TOOTH S-M-EA DE60-10018A SCREW-ASSY MACHINE PH,M4X0.7P,8,MSWR10,SN1,WS,-,- B/EATH...
  • Page 23 8. P .C.B Diagrams 8-1 P .C.B Diagrams Samsung Electronics...
  • Page 24 P.C.B Diagrams 8-2 P.C.B Parts List CK135M/138FM/XEF Code No. Description Specification Q'ty Remark 3501-001062 RELAY-POWER 24VDC,523.2mW,16A,1FormA,15mS, RY06 3501-001068 RELAY-POWER 24Vdc,523mW,16A,1FormA,15mS,10 RY07,08 3501-001155 RELAY-MINIATURE 24VDC,200MW,3000MA,1FORMA,10MS,10MS RY01~05 3601-001126 FUSE-CARTRIDGE 250V,1.6A,FAST-ACTING,CERAMIC,5x20mm FUSE1 DE07-10096A V.F.DISPLAY SVM-07MM09,GRN/ORG,7DIG,112seg VFD1 DE09-00108A IC MICOM TMP87PM14F,OTP-32K,QFP,8BIT-64PIN,-,-,-,- IC01 DE30-20016A BUZZER...
  • Page 25: Schematic Diagrams

    9. Schematic Diagrams 9-1 Schematic Diagrams MAGNETRON HIGH VOLTAGE DIODE TO CHASSIS HIGH VOLTAGE CAPACITOR H.V.FUSE SYMBOL COLOR BROWN BLACK BLUE HIGH VOLTAGE TRANSFORMER Samsung Electronics...
  • Page 26 ELECTRONICS © Samsung Electronics Co., Ltd. Aug 2000 Printed in Korea Code No. : DE68-01379A...

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