Related Manuals for Samsung MR1031UWC
Summary of Contents for Samsung MR1031UWC
-
Page 1: Table Of Contents
MICROWAVE OVEN MR1031UWC MR1032UBC 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 ( 1. - Page 4 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, 19.
-
Page 5: Specifications
2. Specifications 2-1 Table of Specifications TIMER 99 MINUTES 99SECONDS POWER SOURCE 120VAC, 60Hz POWER CONSUMPTION MICROWAVE : 1,500W OUTPUT POWER 1000W ( 10 LEVEL POWER ) OPERATING FREQUENCY 2,450MHz MAGNETRON OM75P(31)ESS COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS "(W) x 13 "(H) x 14 "(D) 11/32... -
Page 6: Operating Instructions
3. Operating Instructions 3-1 Control Panel 3-2 Features & External Views Light Safety Interlock Holes Door Ventilation Holes Control Panel Door Latches Open Door Push Guide Roller Glass Tray 216mm 369mm 517mm 379mm - 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 "C" Insert flat screw driver into the gap between Door "A" and Door "C" to remove Door "C". Be careful when handling Door "C" because it is fragile. Then remove the door assembly. Door "A"... -
Page 9: 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 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 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
5-9 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 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 latch switch 2. Defective latch switch Oven can program but timer 1. Open or loose wiring of latch Adjust door and interlock does not start.
-
Page 17: Exploded Views And Parts List
7. Exploded Views and Parts List 7-1 Exploded Views P020 U010 D005 D015 D004 D003 M015 M001 D002 D006 M019 M018 M029 M020 M022 D007 M023 W002 D011 M157 D049 M036 C082 M099 B018 M051 C009 C005 M035 M049 B006 B001 C003 M037... -
Page 18: Main Parts List
DOOR S/W B006 DE72-00138A BODY-LATCH NC2000(0.6/0.8/1.2),PP,-,-,-, B009 DE66-00088A LEVER-SWITCH NC2000(0.6/0.8/1.2),PP,-,-, B018 DE96-00115A ASSY BODY LATCH MW850WA,NC2000(BUTTON) M001 DE70-30001U PANEL-OUTER MR5482W,SECC,T0.6,W360,L1128 MR1031UWC M001 DE70-30001Y PANEL-OUTER MR1032BB,SECC,T0.6,-,-,-,BLK,- MR1032UBC M015 DE39-20037J ASSY POWER CORD CM1020B,SJT AWG16-3,-,12 M019 3601-001198 FUSE-CARTRIDGE 250V,20A,SLOW-BLOW,CERAMI M018 DE47-40025A HOLDER-FUSE... - Page 19 C007 DE66-20275A BUTTON-PUSH 3RD-W S1 MW5592W,-,-,-,-,9g MR1031UWC C007 DE66-20275K BUTTON-PUSH JE1045GBC,ABS,-,-,BLK,SI MR1032UBC C009 DE67-40179A WINDOW-DISPLAY -,SAN,T2.0,-,-,-,SMOG,- C082 ASSY CONTROL-BOX 120V60Hz,MR1031UWC/XAA, MR1031UWC S.N.A C082 ASSY CONTROL-BOX 120V60Hz,MR1031UBC/XAA, MR1032UBC S.N.A D002 DE64-40317M DOOR-A MW1030WA,ABS(GENERAL),-,WHT,-,T2. MR1031UWC D002 DE64-40317T DOOR-A MW1030BA,ABS(HR0370),.T2.0,-,-,-,BLK,NC-1.0 MR1032UBC D003 DE67-20197D SCREEN-DOOR MW1030WC,PET,T0.25,W210.4,L3...
-
Page 20: Standard Parts List
7-4 Standard Parts List Code No. Description Specification Q'ty Remark DE92-90522A ASSY-SCREW PACK MR5481G,SCREW-A(6EA),-,-,-,- DE60-10082H SCREW-A -,-,-,-,2S-4X12,TOOTHED,-,-,-,- P-C-EA DE60-10082H SCREW-A -,-,-,-,2S-4X12,TOOTHED,-,-,-,- PN/OUT DE60-10098A SCREW-ASSY TAP TITE -,GLD,SWRCH18A,ZPC2,PH,TC,-,M4X8,WT,- M/DRIV DE60-10098A SCREW-ASSY TAP TITE -,GLD,SWRCH18A,ZPC2,PH,TC,-,M4X8,WT,- DE60-10195A SCREW-STAR POLE -,SWCH18A,4,12,TH,*,-,2,ZNC,- O/PANEL DE60-10088A SCREW-TAP PH -,-,FEFZY,PLAIN,PH,M3,-,L8,-,- DE60-10059A SCREW-TAP TH... - Page 21 8. P.C.B Diagrams 8-1 P.C.B Diagrams (This Document can not be used without Samsung's authorization) - 19 -...
- Page 22 8-2 P.C.B Parts List Code No. Description Specification Q'ty Remark 2007-000546 R-CHIP 20KOHM,5%,1/10W,DA,TP,2012 3501-001155 RELAY-MINIATURE 24VDC,200MW,3000MA,1FORMA,10MS,10MS RY01 3501-001188 RELAY-POWER 24V DC,0.53W,-,1FormA,9.3ms,10mS RY02 3708-001551 CONNECTOR-FPC/FFC/PIC 14P,1.25mm,STRAIGHT,SN CN04 DE07-00021K LED DISPLAY CSQ-4246G-10,NC2000-CMO,-,40 LED1 DE09-00201A IC MICOM TMP87CH47U-3CG1,SM-200102-BN,-,- IC01 DE26-00037A TRANS-L.V SLV-4290U,120V,60Hz,AC17V/7V,-,35*10,PIN,- LVT1 DE30-20016A BUZZER CBE2220BA,STICK,-,-,-,-,-,-,-...
-
Page 23: Schematic Diagrams
9. Schematic Diagrams 9-1 Schematic Diagrams (This Document can not be used without Samsung's authorization) NOTE: CIRCUIT SHOWN WITH DOOR IS OPENED POSITION. WARNING NOTE: FOR SERVICE REPLACEMENT USE 16 GA 105° C POWER MUST BE DISCONNECTED THERMOPLASTIC COVERED WIRE EXCEPT BEFORE SERVICING THIS APPLIANCE FOR HIGH VOLTAGE LEADS OR AS NOTED ON SPECIAL LEADS. - Page 24 ELECTRONICS This Service Manual is a property of Samsung Electronics Co.,Ltd. ©Samsung Electronics Co., Ltd. June 2003 Any unauthorized use of Manual can be punished under applicable Printed in Korea International and/or domestic law Code No. :DE68-03208A...