background image

MICROWAVE OVEN

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 Diagrplodeams

9. Schematic Diagrams

10. Reference 

MODEL : MW1030WE

SELA-P

Summary of Contents for MW1030WE

Page 1: ... 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 Diagrplodeams 9 Schematic Diagrams 10 Reference MODEL MW1030WE SELA P ...

Page 2: ...f Window Display Membrane Panel 10 5 Alignment and Adjustments 11 5 1 High Voltage Transformer 11 5 2 Low Voltage Transformer 11 5 3 Magnetron 11 5 4 High Voltage Capacitor 12 5 5 High Voltage Diode 12 5 6 Main Relay and Power Control Relay 12 5 7 Adjustment of Primary Switch Door Sensing Switch and Monitor Switch 12 5 8 Output Power of Magnetron 13 5 9 Microwave Heat Distribution Heat Evenness 13...

Page 3: ...ction within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the...

Page 4: ...s while repairing an MWO 11 To avoid any possible radiation hazard replace parts in accordance with the wiring diagram Also use only the exact replacements for the following parts Primary and secondary interlock switches interlock monitor switch 12 If the fuse is blown by the Interlock Monitor Switch Replace all of the following at the same time Pri mary door sensing switch and power relay as well...

Page 5: ...nds after disconnection Short the nega tive terminal of the high voltage capacitor to to the oven chassis Use a screwdriver 3 High voltage is maintained within specified limits by close tolerance safety related components and ad justments If the high voltage exceeds the specified limits check each of the special components H V Diode Short H V Capacitor Fig 1 1 Discharging High Voltage Capacitor Touc...

Page 6: ... POWER OPERATING FREQUENCY MAGNETRON COOLING METHOD OUTSIDE DIMENSIONS mm SHIPPING WEIGHT 99 SECOND 120V 60Hz AC MICROWAVE 1 500W 1000W 10LEVEL POWER 2 450MHz OM75P 31 ESS COOLING FAN MOTOR 517 W x 297 H x 379 D NET 13 65kg GROSS 15 56kg 2 1 Table of Specifications ...

Page 7: ...uctions 1 2 3 4 5 6 7 8 9 10 11 12 1 One Minute 2 Sensor Cook Buttons 3 Auto Defrost 4 Auto Cook Menus 5 Power Level 6 Kitchen Timer 7 Clock 8 Sound 9 Pause Cancel 10 Number Bottons 11 More Less 12 Start 3 1 Control Panel ...

Page 8: ... 5 Door Ventilation Holes Light Safety Interlock Holes Control Panel Open Door Push Guide Roller Glass Tray Door Latches 3 2 Features External Views 517mm 297mm 379mm ...

Page 9: ...pose The coupler rotates the turntable 2 Guide Roller to be placed in the centre of the oven Purpose The roller ring supports the turntable 3 Glass Tray to be placed on the roller ring with the centre fitting to the coupler Purpose The turntable serves as the main cooking surface it can be easily re moved for cleaning DO NOT operate the microwave oven without the roller ring and turntable 3 3 Acces...

Page 10: ...d NOTE2 When replacing the magnetron be sure to remount the magnetron gasket in the correct position and make sure the gasket is in good condition 1 Discharge the high voltage capacitor 2 Disconnect all the leads 3 Remove the mounting bolts 4 Reconnect the leads correctly and firmly PRECAUTION Servicemen should remove their watches whenever working close to or replacing the magnetron PRECAUTION The...

Page 11: ...fragile Then remove the door assembly 4 3 2 Removal of Door E Following the procedure as shown in the figure insert and bend a thin metal plate between Door E and Door A until you hear the tick sound 1 Insertion depth of the thin metal plate should be 0 5mm or less 4 3 3 Removal of Key Door Spring Remove pin hinge from Door E Detach spring from Door E and key door Door A Door C Door E ...

Page 12: ... tip coupler 6 Screw the motor to bottom of oven cavity 7 Connect leads to the drive motor 8 Screw the drive motor cover to the base plate with a screw driver NOTE Bring the spare screw from service center COVER FIXING SCREW MACHINE SCREW 6006 001170 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 lowe...

Page 13: ...uit board from the Ass y control box Screw 4 6 3 Removal of Window Display Membrane Panel 1 Window display should not be disassembled as its mounting tabs will be broken If repair work is difficult replace with Ass y control panel 2 The membrane key board is attached to the escutcheon base with double faced adhesive tape Therefore applying hot air such as using of hair dryer is recommended for smoo...

Page 14: ...en filament or a shorted magnetron To diagnose an open filament or shorted magnetron 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 Filament Terminals Primary Terminals Secondary Terminal Cooling Fins M...

Page 15: ...he Latch Body to the oven assem bly adjust the Latch Body by moving it so that the oven door will not have any play in it Check for play in the door by pulling the door assembly Make sure that the latch keys move smoothly after adjustment is completed Completely tighten the screws holding the Latch Body to the oven assembly 4 Reconnect to Monitor switch and check the continu ity of the monitor cir...

Page 16: ...Normal temperature rise for this model is 9 C to 11 C at HIGH 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 91 times the of centigrade temperature 5 8 Output Power of Magnetron CAUTI...

Page 17: ...r seam is taken near a corner of the door keep the probe perpendicular to the areas making sure that the probe end at the base of the cone does not get closer than 5cm to any metal If it gets closer than 5cm er roneous readings may result 5 Measured leakage must be less than 4mW cm2 after repair or adjustment Maximum allowable leakage is 5mW cm2 4mW cm2 is used to allow for measurement and meter a...

Page 18: ...or switch NOTE1 4 Shorted H V Capacitor 5 Shorted H V Transformer NOTE2 Check adjustment of primary interlock montor power relay door sensing switch NOTE 1 All of these switches must be replaced at the same time refer to adjustment instructions Check continuity of power relay contacts and if it has continuity replace power relay also NOTE 2 When H V Transformer is replaced check diode and magnetro...

Page 19: ...main Loud buzzing noise can be heard 1 Loose fan and fan motor 2 Loose screws on H V Transformer 3 Shorted H V Diode Tighten screws of fan motor Tighten screws of H V Transformer Replace H V Diode Turntable motor does not rotate 1 Open or loose wiring of turntable motor 2 Defective turntable motor Replace turntable motor Oven stops operation during cooking 1 Open or loose wiring of primary interlo...

Page 20: ...oded Views D006 M001 M049 M051 M015 W002 M099 M039 M040 M041 M038 T001 T017 M034 M047 M048 M019 M093 M029 M035 M036 M037 B018 B006 B004 B002 B009 B001 C082 C007 C006 C004 C005 C003 C009 D049 D002 D011 D007 D004 D005 D003 M023 M020 H018 M022 C070 ...

Page 21: ... AIR 5TH 1 0 PP 1 SA 1 1 M051 DE63 00209A COVER MGT 5TH 1 0 PP T2 0 1 SA CVT INSIDE RIGHT 1 1 M099 DE66 90113A LEVER DOOR PP TB53 GH41 T2 5 12g NT 1 SA 1 1 M034 DE67 00182A COUPLER 5TH 1 0 PPS 1 SA 1 1 M001 DE70 00011V PANEL OUTER C STELT0 6W380 3L1085 2NC 2K 1 SA 1 1 T001 DE74 20015G TRAY COOKING T6 3RD 10 1 SA 1 1 B018 DE96 00115A ASSY BODY LATCH MW850WA NC2000 BUTTON 1 SA 1 2 B002 3405 001033 S...

Page 22: ...MW1030WA ABS GENERAL WHT T2 0 NC1 1 SA 1 2 D003 DE67 20197D SCREEN DOOR MW1030WC PET T0 25 W210 4 L3 1 SA 1 2 D004 DE94 00910A ASSY DOOR E COATING MW1030WC XAA BLK 5T 1 SA 1 1 C082 DE94 01247C ASSY CONTROL BOX 120V60HZ MW1030WE XAP W 1 SA 1 2 C004 DE34 00190Y SWITCH MEMBRANE MW1030WE XAO PET 1 1 SA 1 2 C070 DE61 00665A HOLDER LED ALL 0 8 PP BLACK LED BA 1 SA 1 2 C006 DE61 70076A SPRING BUTTON HSWR...

Page 23: ... MSWR PH M4 L6 1 SA DRIVE MOTOR 1 1 DE60 10080A SCREW TAPPING M5 L12 2S 4 SA HVT 1 1 DE60 10080A SCREW TAPPING M5 L12 2S 2 SA MGT 1 1 DE60 10082I SCREW A 2S 4X12 FEFZY 3 SA BASE PLATE 1 1 DE60 10082I SCREW A 2S 4X12 FEFZY 2 SA BODY LATCH 1 1 DE60 10082I SCREW A 2S 4X12 FEFZY 1 SA C BOX 1 1 DE60 10082I SCREW A 2S 4X12 FEFZY 1 SA COVER AIR 1 1 DE60 10082I SCREW A 2S 4X12 FEFZY 2 SA FAN MOTOR 1 1 DE6...

Page 24: ... 21 8 P C B Diagrams 8 1 P C B Diagrams This Document can not be used without Samsung s authorization ...

Page 25: ...0mA DO 34 13 SNA D15 1 5 0402 001103 DIODE RECTIFIER 1T4 400V 1A TS 1 TP 3 SNA D19 1 5 0504 001044 TR DIGITAL KRA226M PNP 400MW 2 2K 10K TO 6 SNA TR12 1 5 0504 001178 TR DIGITAL KRC246M NPN 400MW 2 2K 10KOHM 5 SNA TR07 1 5 1405 000001 VARISTOR 470V 1250A 14x7 5mm TP 1 SA ZNR1 1 5 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2MM 1 SNA R15 1 5 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM 2 ...

Page 26: ... NC 120V 125V 40W 21V 0V NO FM MGT CVT TCO DM ASSY PCB BOARD DOOR SENSING S W CONDITION DOOR IS OPENED 120V20A PCB PATTERN BLK BLU BLK RED RED RED RED WHT BLK RED WHT ORG ORG RED BLU BLU MAGNETRON HIGH VOLTAGE DIODE TO CHASSIS FA F HIGH VOLTAGE TRANSFORMER POWER RELAY DOOR SENSING SWITCH BOTTOM MONITOR SWITCH CENTER BLK WHT SECONDARY SWITCH TOP HIGH VOLTAGE CAPACITOR RED ORG WHT SYMBOL COLOR BLU B...

Page 27: ...ON C RC USA RV CONVECTION BUILT IN B RB USA RV BUILT IN USA Junior SJ SJ USA Junior MWO USA OTR SM SOLO H SMH USA OTR SOLO CONVECTION V SMV USA OTR CONVECTION EUROPE Ep oxy Cavity M SOLO 1 M1 EUROPE SOLO EPOXY CAVITY GRILL 2 M2 EUROPE GRILL EPOXY CAVITY EUROPE Ce ramic Enamel CE SOLO 1 CE1 EUROPE SOLO CERAMIC ENAMEL GRILL 2 CE2 EUROPE GRILL CERAMIC ENAMEL EUROPE Quartz GRILL G2 G2 EUROPE Quartz GR...

Page 28: ...IUM LOW This function is used to cook the food slowly 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 happen when the oven is placed in a humid area and the over is not grounded Ground is not provided by an extended electric outlet If the oven is placed in a humid area buy an electric wire i...

Page 29: ...such as herbal remedies are not removed Error Errors are classified into the case which is out of order and the case which is not out of order Clean the inside of the oven Remove strange smell through the Deodorant button If the strange smell still remains place a piece of lemon on the turntable and operate the oven for 5 minutes by pressing the Deodorant button However the smells produced from the...

Page 30: ...al is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd June 2005 Printed in Korea Code No DE68 03952A ...

Reviews: