Samsung PG83R Service Manual
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Samsung PG83R Service Manual

Microwave oven
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MICROWAVE OVEN

PG83R
SERVICE
Manual
MICROWAVE OVEN
CONTENTS
8. PCB Diagrams

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Summary of Contents for Samsung PG83R

  • Page 1: Table Of Contents

    MICROWAVE OVEN PG83R 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 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 POWER SOURCE 230V 50Hz, AC POWER CONSUMPTION MICROWAVE : 1,250W TOP GRILL : 1100W SUPER GRILL : 1850W MAXIUM : 3100W OUTPUT POWER FROM 100 TO 800W (IEC-705 TEST PROCEDURE) OPERATING FREQUENCY 2,450MHz MAGNETRON OM75P(31)ESS...

  • Page 6: Operating Instructions

    3. Operating Instructions 3-1 Control Panel SUPER GRILLE BUTTON SUPER GRILL AUTO COOK SELECTION SUPER GRILL AUTO REHEAT SELECTION AUTO DEFROST FEATURE AUTO REHEAT SELECTION SELECTION WEIGHT SELECTION SERVING SELECTION MORE/LESS BUTTON DEODORIZATION BUTTON GRILL MODE SELECTION COMBI MODE SELECTION MICROWAVE POWER LEVEL MODE SELECTION TIME SETTING...

  • 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 "C" Insert flat screwdriver into the gap between Door Door "A" "A" and Door "C" to remove Door "C". Be careful when handling Door "C" because it is fragile. Then remove the door assembly. Door "C"...

  • Page 9: Replacement Of Fuse

    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 10: Replacement Of Control Circuit Board

    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.

  • 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 . 3. A shorted capacitor will show continuous continuity. 4.

  • 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 Malfunction(continued) 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 Lower Heater MM61 MM68 MM57 MM60 MM109 MD04 Upper Heater MD03 MM61 MM68 MM60 MM01 MD02 MM57 MM109 MM67 MD05 MD06 MM63 MD07 MM66 MM03 MM07 MM59 MD10 MM62 MM42 MD14 MD01 MM25 MM21...

  • Page 18: Main Parts List

    7-2 Main Parts List Code No. Description Specification Q’ty Remark MB01 DE96-00120B ASSY BODY LATCH M1717N,NC2000(HANDLE) MB02 3405-001032 SWITCH-MICRO 125/250VAC,16A,200GF,SPDT MB03 3405-001034 SWITCH-MICRO 125/250VAC,16A,200GF,SPST-N MB041 DE66-00093A LEVER-SWITCH(A) NC2000,PP-TH53,-,-,-,-,N MB042 DE66-00094A LEVER-SWITCH(B) NC2000,PP-TH53,-,-,-,-,N MB05 DE72-00137A LATCH-BODY NC2000(0.6/0.8/1.2),PP,-,-,-, MM01 DE70-00184P PANEL-OUTER MW850WA,C/STEEL,T0.5,-,-,-,P MM03 DE39-00300A WIRE HARNESS-A...

  • Page 19: Control Parts List

    CUSHION-PCB PG81/PG83,SPONGE,T16,W88,L50 MD01 ASSY DOOR PG81/83,PURE-WHT,CIS S.N.A MD02 DE64-00644A DOOR-A PG81/83,PC,-,-,-,-,W9501,0.8 P/GR MD03 DE64-00646A SCREEN-DOOR PG81/83,PC,-,-,-,-,G0126,0.8 MD04 DE94-00351G ASSY DOOR-E(COATING) PG81R/PG83R/BWT,BLK MD05 DE64-00221F FILM-DOOR -,PG81R/PG83R/BWT,PET,T0.15,W1 MD06 DE64-40008B DOOR-C -,PP,CE745G,-,-,-,BLK,- MD07 DE61-00198A SPRING-KEY M1877,HSWR,D6,-,-,23 1/4,23 1 MD10 DE64-00211A DOOR-KEY NC2000(0.6/0.8/1.2),PP,-,BLK,-, MD14...

  • Page 20: Standard Parts List

    7-4 Standard Parts List Code No. Description Specification Q’ty Remark DE60-10082H SCREW-A -,-,-,-,2S-4X12,TOOTHED,-,-,-,- C-MOTOR DE60-10082H SCREW-A -,-,-,-,2S-4X12,TOOTHED,-,-,-,- OUT-PANEL DE60-10018A SCREW-ASSY MACHINE -,WS,MSWR10,SN1,PH,M4X0.7P,-,8,-,- BKT-HEATER DE60-10098A SCREW-ASSY TAP TITE -,GLD,SWRCH18A,ZPC2,PH,TC,-,M4X8,WT,- BOTT-TCO DE60-10098A SCREW-ASSY TAP TITE -,GLD,SWRCH18A,ZPC2,PH,TC,-,M4X8,WT,- CVT-TCO DE60-10098A SCREW-ASSY TAP TITE -,GLD,SWRCH18A,ZPC2,PH,TC,-,M4X8,WT,- D-MOTOR DE60-10098A SCREW-ASSY TAP TITE...
  • Page 21 8. P.C.B Diagrams 8-1 P.C.B Diagrams...
  • Page 22 8-2 P.C.B Parts List Code No. Description Specification Q’ty Remark 3501-001062 RELAY-POWER 24VDC,523.2mW,16A,1FormA,15mS, RY03 3501-001068 RELAY-POWER 24Vdc,523mW,16A,1FormA,15mS,10 RY07,RY08 3501-001155 RELAY-MINIATURE 24VDC,200MW,3000MA,1FORMA,10MS,10MS RY01,RY02 3601-001126 FUSE-CARTRIDGE 250V,1.6A,FAST-ACTING,CERAMIC,5x20mm FUSE 3708-001551 CONNECTOR-FPC/FFC/PIC 14P,1.25mm,STRAIGHT,SN CN04 DE07-00037T LED DISPLAY CSE-4246G-18,TBMO(RUSSIA) LED1 DE09-00054A IC MICOM TPM87CH47U,OTP-16K,QFP,-,-,-,- IC01 DE26-00078A TRANS-L.V SLV-C100,230V,50HZ,AC17.0...

  • Page 23: Schematic Diagrams

    9. Schematic Diagrams 9-1 Schematic Diagrams MAGNETRON HIGH VOLTAGE DIODE TO CHASSIS HIGH VOLTAGE CAPACITOR H.V.FUSE SYMBOL COLOR ORANG BROWN HIGH VOLTAGE TRANSFORMER BLACK...
  • Page 24 ELECTRONICS © Samsung Electronics Co., Ltd. September 2002 Printed in Korea Code No. : DE68-02822A...

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