Samsung CE2638NR Service Manual
  1. Manuals
  2. Brands
  3. Samsung Manuals
  4. Microwave Oven
  5. CE2638NR
  6. Service manual
Samsung CE2638NR Service Manual

Samsung CE2638NR Service Manual

Microwave oven
Hide thumbs
Table of Contents

Advertisement

Quick Links

MICROWAVE OVEN

CE2638NR
SERVICE
Manual
MICROWAVE OVEN
CONTENTS
8. PCB Diagrams
SRSC

Advertisement

Table of Contents
loading

Related Manuals for Samsung CE2638NR

Summary of Contents for Samsung CE2638NR

  • Page 1: Table Of Contents

    MICROWAVE OVEN CE2638NR 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 SRSC...
  • Page 2 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 operated with the door open. for any service test or inspection within (b) Make the following safety checks on the microwave generating all ovens to be serviced before activating...

  • Page 3: 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 ( 11.

  • Page 4: Specifications

    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 indicated in the circuit diagram by shading, or .

  • Page 5: Specifications

    2. Specifications 2-1 Table of Specifications TIMER 99 MINUTES 90 SECONDS POWER SOURCE 230V 50Hz, AC POWER CONSUMPTION MICROWAVE : 1,200W GRILL : 1100W OUTPUT POWER FROM 100 TO 750W (IEC-705 TEST PROCEDURE) OPERATING FREQUENCY 2,450MHz MAGNETRON OM75PH(31)ESS COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 489(W) x 275(H) x 383(D)

  • Page 6: Operating Instructions

    3. Operating Instructions 3-1 Control Panel 3-2 Features & External Views VENTILATION HOLES LIGHT DISPLAY GRILL CONTROL PANEL COUPLER METAL RACK OPEN DOOR TURNTABLE ROLLER RING PUSH BUTTON DOOR SAFETY DOOR LATCHES INTERLOCK HOLES 206mm 342mm 489mm 383mm - 4 -...

  • Page 7: Disassembly And Reassembly

    4. Disassembly and Reassembly 4-1 Replacement 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). 1. Disconnect all lead wires from the magnetron and lamp. 2.

  • Page 8: Replacement Of Door Assembly

    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. Upper Hinge SCREWS SCREW Lower Hinge 4-3-2 Removal of Door "C" Insert flat screwdriver into the gap between Door "A"...

  • Page 9: Reassembly Test

    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 10: Replacement Of Control Circuit Board

    4-6 Replacement of Control Circuit Board 4-6-1 Removal of Control Box 1. Be sure to ground any static electric charge in your body and never touch the control circuit. Screw 2. Disconnect the connectors from the control circuit board. 3. Remove screws securing the control box assembly.

  • Page 11: 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 12: High Voltage Capacitor

    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 9M Ω . 3.

  • Page 13: Output Power Of Magnetron

    5-8 Output Power of Magnetron CAUTION MICROWAVE RADIATION PERSONNEL SHOULD NOT ALLOW EXPOSURE TO MICROWAVE RADIATION FROM MICROWAVE GENERATOR 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 14: Procedure For Measurement Of Microwave Energy Leakage

    5-10 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 15: 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.
  • Page 16 6-1 Electrical Maltunction(continved) SYMPTOM CAUSE CORRECTIONS Oven lamp and fan motor turn on 1. Misadjustment or loose wiring Adjust door and latch switches. of primary latch switch 2. Defective primary latch switch Oven can program but timer 1. Open or loose wiring of Adjust door and interlock does not start.

  • Page 17: Exploded Views And Parts List

    7. Exploded Views and Parts List 7-1 Exploded Views MM03 MD01 MC06 MM01 MD04 MC05 MD08 MM67 MM59 MD03 MM07 MD09 MD02 MM63 MM25 MM61 MM68 MM62 MM60 MM171 MD07 MD10 MM55 MM05 MM17 MM26 MC01 MM06 MM10 MM13 MM16 MB01 MB03 MB05...

  • Page 18: Main Parts List

    7-2 Main Parts List Code No. Description Specification Q'ty Remark MB01 DE96-00115C ASSY BODY LATCH CE2611N,NC2000(BUTTON) MB02 3405-000175 SWITCH-MICRO 250V,15A,200gf,SPST-NO MB03 3405-000178 SWITCH-MICRO 250V,15A,200gf,SPST-NO MB04 DE66-00088A LEVER-SWITCH NC2000(0.6/0.8/1.2),PP,NTR,BUTTON-TYPE MB05 DE72-00138A BODY-LATCH NC2000(0.6/0.8/1.2),PP,-,-,-,-,WHT,- MB08 3405-000178 SWITCH-MICRO 250V,15A,200gf,SPST-NO MM01 DE70-00184P PANEL-OUTER MW850WA,C/STEEL,T0.5,P/WHT,NC2-0.8CU.FT MM03 DE39-00162B WIRE HARNESS-A...
  • Page 19 7-3 Control & Door Parts List Code No. Description Specification Q'ty Remark MC01 ASSY CONTROL-BOX 230V49HZ,CE2638NR,PURE-WHT,- S.N.A MC02 DE34-00132A SWITCH MEMBRANE CE2638NR/BWT,-,-,PET,-,230V50HZ,- MC03 DE72-70201B CONTROL-PANEL M1732,S1-DESIGN,ABS(HR0370D),P/WHT(W9501),- MC04 DE61-70076A SPRING-BUTTON -,HSWR,PI0.6,PI0.6,-,-,-,-,-,-,- MC05 DE66-20275A BUTTON-PUSH 3RD-W S1 MW5592W,-,-,-,-,9g MC06 DE67-40179A WINDOW-DISPLAY SAN,T2.0,-,-,SMOG,-,3RD-W S1,-...

  • Page 20: Standard Parts List

    7-4 Standard Parts List Code No. Description Specification Q'ty Remark DE60-10012A SCREW-TAP TITE -,SWR10,M4,L10,TH,+,-,3,ZPC2,- GRI-TCO DE60-10012A SCREW-TAP TITE -,SWR10,M4,L10,TH,+,-,3,ZPC2,- M/PANEL DE60-10012A SCREW-TAP TITE -,SWR10,M4,L10,TH,+,-,3,ZPC2,- P-CORD DE60-10080B SCREW-WASHER -,2S,SWRCH18A,ZP2,PH,PI5,-,L10,-,- DE60-10080B SCREW-WASHER -,2S,SWRCH18A,ZP2,PH,PI5,-,L10,-,- DE60-10082H SCREW-A -,-,-,-,2S-4X12,TOOTHED,-,-,-,- B-LATCH DE60-10082H SCREW-A -,-,-,-,2S-4X12,TOOTHED,-,-,-,- B-PLATE DE60-10082H SCREW-A -,-,-,-,2S-4X12,TOOTHED,-,-,-,- B-UPPER...
  • Page 22 DE09-00200A IC MICOM TMP87CH47U-3CF6,SM-200107-AN,- IC01 DE26-00034A TRANS-L.V SLV-1933EN,230V,50Hz,7.0V/17V,-,35*11,PIN,- LVT1 DE30-20016A BUZZER CBE2220BA,STICK,-,-,-,-,-,-,- BUZ1 DE47-40024A HOLDER-FUSE FH-51H,7.5A,-,-,-,-,- FUSE1 DE92-00706A ASSY PCB AUTO 230V50HZ,LED,RC-N2LED1-10,CE2638NR 0401-001083 DIODE-SWITCHING MM4148,100V,150MA,LL-34,TP D08,23 0402-001103 DIODE-RECTIFIER 1T4,400V,1A,TS-1,TP D01~07 0403-001288 DIODE-ZENER ZMM55C5V1,4.8-5.4V,500MW,LL-34,TP ZD01 0501-000465 TR-SMALL SIGNAL MMBT3904,NPN,350MW,SOT-23,TP,30-300 TR01 0504-001008 TR-DIGITAL RN2427,PNP,200MW,2.2K/10K,SOT-23,TP...

  • Page 23: Schematic Diagrams

    9. Schematic Diagrams 9-1 Schematic Diagrams CONDITION OF OVEN DOOR IS OPENED COOK OFF 1.INPUT : 230V 2.DOOR : OPEN WIRING COLOR 3.LAMP : ON BRN : BROWN : P.C.B PATTERN BLU : BLUE WHT : WHITE : P.C.B IN/OUT POINT ORG : ORANGE RED : RED YEL : YELLOW...

Table of Contents