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Samsung GE87W Service Manual
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Samsung GE87W Service Manual

Samsung GE87W Service Manual

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SERVICE

MICROWAVE OVEN

Refer to the service manual in the itself (http://itself.sec.samsung.co.kr/) for the more information.
MICROWAVE OVEN
BASIC : GE87W
MODEL : MW87W-S
MODEL CODE : MW87W-S/XEG
Manual
FEATURES
1. Cost Reduction for 0.8 cu.ft of Volume
2. Competitive Price

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Summary of Contents for Samsung GE87W

  • Page 1: Microwave Oven

    MICROWAVE OVEN BASIC : GE87W MODEL : MW87W-S MODEL CODE : MW87W-S/XEG SERVICE Manual MICROWAVE OVEN FEATURES 1. Cost Reduction for 0.8 cu.ft of Volume 2. Competitive Price Refer to the service manual in the itself (http://itself.sec.samsung.co.kr/) for the more information.

  • Page 2: Table Of Contents

    Contents 1. Precaution ..................1 1-1 Safety precautions .

  • Page 3: Exposure To Excessive Microwave Energy

    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: Special Servicing Precautions (Continued)

    1-2 Special Servicing Precautions (Continued) 17. When checking the continuity of the witches or NOTE : Connect the oven to a 20A. When connect- transformer, always make sure that the power is ing the oven to a 15A, make sure that circuit OFF, and one of the lead wires is disconnected.

  • Page 6: Product Specifications & Comparison Charts

    2. Product Specifications & Comparison Charts 2-1 Table of Specifications NEW MODEL BASIC MODEL Items (MW87W) (GE87W) Capacity 0.8 cu.ft. (23 Liter) 0.8 cu.ft. (23 Liter) Cavity Dimension W330 X H211 X D329 W330 X H211 X D329 (W X H X D) Outside Dimension W489 X H275 X D401.5...

  • Page 7: Operating Instructions

    3. Operating Instructions 3-1 Control Panel - 4 -...

  • Page 8: Features & External Views

    3-2 Features & External Views DOOR LATCHES LIGHT VENTILATION HOLES HANDLE TURNTABLE ROLLER RING SAFETY INTERLOCK HOLES DOOR COUPLER 342mm 206mm 401.5mm 489mm - 5 -...

  • Page 9: Accessory

    3. Operating Instructions 3-3 Accessory Depending on the model that you have purchased, you are supplied with several accessories that can be used in a variety of ways. Description Code No. Q’ty Coupler DE68-00140A Roller ring DE97-00193B Turntable DE74-20102E - 6 -...

  • Page 10: 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 11: Replacement Of Door Assembly

    4-3 Replacement of Door Assembly 4-3-1 Removal of Door “C” Insert flat screwdriver into the gap between Door “A” and Door “C” to remove Door “C”. Be careful Door "A" when handling Door “C” because it is fragile. Then remove the door assembly. Door "C"...

  • Page 12: Reassembly Test

    4-3-4 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 13: 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. 2. Disconnect the connectors from the control circuit board. 3. Remove screws securing the control box assembly. SCREW 4.

  • Page 14: 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 15: 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. 3. A shorted capacitor will show continuous continuity. 4.

  • Page 16: Output Power Of Magnetron

    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 17: 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 inthe center of the oven. 2. Start to operate the oven and measure the leakage by using a microwave energy survey meter.

  • Page 18: 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 19 6-1 Electrical Malfunction(continued) SYMPTOM CAUSE CORRECTIONS Oven lamp and fan motor 1. Misadjustment or loose wiring of Adjust door and latch switches. turn on primary latch switch 2. Defective primary latch switch Oven can program but 1. Open or loose wiring of secondary Adjust door and interlock switches.
  • Page 20 6-1 Electrical Malfunction(continued) Oven does not operate. Inspection method Is Primary Make sure to inspect the power Is Fuse OK? interlock switch relay after replacing primary normal? interlock switch, secondary interlock switch and door sensing switch. Primary interlock switch Secondary interlock switch Door sensing switch Latch switch assembly Is Power Relay...
  • Page 21 6-1 Electrical Malfunction(continued) Buttons of the control panel do not work. Inspeciton method Are buttons pressed in the Refer to User Manual correct order? Tact Type Button Is the connector of the control panel Switch normal? (Tact Switch) Switch Replace PCB. Connector Membrane Type Membrane Switch...

  • Page 22: Error Code Numbering Rule

    6-2 Error Code Numbering Rule 1. ERROR CODE NUMBERING RULE is applied to a microwave oven and an oven.(CMO, OTR, Grill, Convection, Commercial etc.) 2. All sensors and devices have their own number. ex) Gas Sensor = 1, Temp. Sensor = 2, ... 3.
  • Page 23 6-2 Error Code Numbering Rule(continued) Error Code List Gas Sensor Error Code Gas Sensor Error Case (E-1X) E-11 Open E-12 Short E-13 T1 Max Time Error E-14 Dry Up / No Load Temp Sensor Error Code Temp. Sensor Error Case (E-2X) E-21 Open E-22...

  • Page 24: Exploded Views And Parts List

    7. Exploded Views and Parts List 7-1 Exploded Views D046 D015 D005 D004 M001 M030 M019 D006 D007 M017 M015 D011 D003 M022 D002 D019 D049 D037 M020 M023 H018 C003 C107 C084 W002 C035 M051 C005 C011 B006 M036 M049 B001 B018...

  • Page 25: Main Parts List

    7-2 Main Parts List S.N.A : SERVICE NOT AVAILABLE LEVEL Code No. Description Specification Q’ty Remark M036 4713-001031 LAMP-INCANDESCENT 230V,173mA,40W,ORG,-,- M038 DE26-00091A TRANS H.V SHV-D700A-1,220V,60HZ,2140V/3. M049 DE31-10154A MOTOR SYNCHRONOUS M2HJ49ZR02,ST-16,50/60 M030 DE47-20008A THERMOSTAT PW2N-52JC,100/60,250V/7.5A,H, M001 DE64-00350F PANEL-OUTER RE-C40S,C/STEEL,T0.5,W348.8, M034 DE67-00140A COUPLER NC2000(0.6~0.8),PPS(ESS840),-, M022...

  • Page 26: Control & Door Parts List

    DE01-00156A FILM-BOARD -,GE87/GE107,PET,T0.12,-,-,TR M066 DE01-00157A FILM-LAMP -,GE87/GE107,PET,T0.12,-,-,OPA C140 DE63-00270F COVER-PANEL(TC) RE-CC300S,SAN(CR5381),-, C019 DE64-01156E BUTTON-START RE-C300,ABS(HG0760S),-,-,VI C029 DE64-01157B KNOB-DIAL MW87W/GE87W,ABS(HG0760S),-,-,- C005 DE64-01247B CONTROL-PANEL(TC) MW87W-S,ABS(HG0760S),- C035 DE64-01256A BUTTON-CLOCK(TC) EURO-MAIN,SAN,-,-,G0140 C011 DE64-01362A BUTTON-SELECT(A) EURO MAIN-VI,ABS(HG0760 C084 DE96-00404A ASSY-KEY MODULE DKM-MW87,KEY-MODULE - 23 -...

  • Page 27: Standard Parts List

    7-4 Standard Parts List LEV- Code No. Description Specification Q’ty Remark 6002-000231 SCREW-TAPPING TH,+,-,2S,M4,L12,ZPC(YEL), BASE-P,BD-LAT,C-AIR,CV/BLW 6002-001321 SCREW-TAPPING PWH,+,2S,M5,L10,ZPC(YEL) HVT,MGT 6002-001355 SCREW-TAPPING TH,+,2S,M4,L12,NI PLT,SWRC P/OUT 6006-001170 SCREW-TAPPING TH,+,WT,TC,M4,L10,ZPC(YEL) N/P EARTH,P/C EARTH,PCB EARTH 6006-001174 SCREW-TAPPING WE,TH,+,M4,L12,ZPC(YEL) C-BOX,OUT-PN 6006-001176 SCREW-TAPTITE WT,PH,+,M4,L8,ZPC(YEL) BAS-EARTH DE60-30016A NUT-FLANGE M4,MSWR10,-,-,-,-,-,-,- 6002-000643 SCREW-TAPPING...

  • Page 28: Schematic Diagram

    8. Schematic Diagram ( This Document can not be used without Samsung’s authorization ) CN05 SMW250-03AV_RED CN04 SMW250-04V_RED CN02 SMW250-04V_WHT 1N4148M DSP1 CSE-4046 ENCODER OPTION - 25 -...

  • Page 29: Parts List

    9. P.C.B Parts List S.N.A : SERVICE NOT AVAILABLE LEVEL Code No. Description Specification Q’ty SA/SNA Remark RES-D2LED3-16 ASSY PCB PARTS RE-C260,220V60HZ 0401-001002 DIODE-SWITCHING 1N4148M,100V,200mA,DO-34 D02~D15 0402-001103 DIODE-RECTIFIER 1T4,400V,1A,SOD-106,TP D01,D18,D19 0504-001044 TR-DIGITAL KRA226M,PNP,400MW,2.2K/ TR04,TR08~TR12 10K,TO 0504-001178 TR-DIGITAL KRC246M,NPN,400mW,2.2K/10 TR01,TR02,TR03, TR05~TR07 1203-001037 IC-POSI.FIXED REG.

  • Page 30: Wiring Diagrams

    10. Wiring Diagrams ( This Document can not be used without Samsung’s authorization ) FUSE 250V12A 0.1uF 500K 2200pF 2200pF L.V.TRANS MAIN RELAY H.V.D MAGNETRON - 27 -...
  • Page 31 10. Wiring Diagrams(Continued) MAGNETRON HIGH VOLTAGE DIODE TO CHASSIS HIGH VOLTAGE CAPACITOR H.V.FUSE SYMBOL COLOR ORANGE BROWN BLUE HIGH VOLTAGE TRANSFORMER - 28 -...

  • Page 32: Reference

    11. Reference 11-1 Model name standard Baoad Distin- Middle Distin- Product Full Nane Classification guisher Classfication guisher Code USA CMO CMO (Counter- USA CMO(EPOXY CAVITY) top MWO) UTC (Under The USA UTC Cabinet) Browner, Grill USA GRILL Convection USA CONVECTION Sensor USA CMO SENSOR DC MWO...

  • Page 33: Customer Inquiry Cases And Countermeasures

    • Close the door completely. => Press the Cancel but- ton. => Press the Start button. • Contact the nearest Samsung after-sales service cen- ter. Ground • Ground problem may • If the oven is placed in a humid area, buy an electric happen when the oven wire in a store selling electrical products.
  • Page 34 Accessory • Visit the nearest Samsung Service Center or local dealer to buy accessories. Before visiting, check the model name printed on the lower right side of the front panel of the oven.
  • Page 35 © Samsung Electronics Co., Ltd. Dec 2005 This Service Manual is a property of Samsung Electronics Co.,Ltd. Printed in Korea Any unauthorized use of Manual can be punished under applicable Code No. : DE68-04038A International and/or domestic law.

This manual is also suitable for:

Mw87w-sMw87w-s/xeg

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