Samsung MW5286N Service Manual Download Page 17 | Manualshive

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Samsung Electronics

7. Exploded V

iews and Parts List

7-1 Exploded V

iews

7-1

MD09

MM01

MM52

MM22

MM28

MM171

MM16

MD01

MC01

MM14

MM128

MM30

MM31

MM27

MM07

MM03

MM34

M6

MM17

MM08

MM55

MB01

MM10

MM09

MM128-1

MM71

MM20

MM18

MM19

MM29

MD14

MD02

MD03

MD24

MD04

MD06

MD05

MD10

MD11

MD07

MD08

MC17

MC03

MC06

MC14

MC146

MC13

MC07

MC147

MC143

MC142

MC144

MC141

MB05

MB03

MB03

MB02

MB04

MC145

MC04

MC15

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Summary of Contents for MW5286N

Page 1: ...E 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: ... or inspection 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 releas...

Page 3: ...hes interlock monitor switch 12 If the fuse is blown by the Interlock Monitor Switch Replace all of the following at the same time Primary door sensing switch and power relay as well as the Interlock Monitor Switch The correct adjustment of these switches is described elsewhere in this manual Make sure that the fuse has the correct rating for the particular model being repaired 13 Design Alteratio...

Page 4: ...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 adjustments If the high voltage exceeds the specified limits check each of the special components 1 2 Pretaution Samsung Electronics 1 2 Special Servicing Precautions Continued 1 3 Special High Voltage Precautions Fig 1 1 Discharging the H...

Page 5: ...WER IEC 705 TEST PROCEDURE OPERATING FREQUENCY 2 450MHz MAGNETRON OM75PH 31 COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 517 W x 297 H x 395 D POWER LEVEL MW5286N 10 90W 4 sec 26 sec 20 180W 7 sec 23 sec 30 270W 10 sec 20 sec 40 360W 13 sec 17 sec 50 450W 16 sec 14 sec 60 540W 19 sec 11 sec 70 630W 22 sec 8 sec 80 720W 25 sec 5 sec 90 810W 28 sec 2 sec 100 900W 30 sec 0 sec ON TIME OFF TIME...

Page 6: ...Sec 1Min 10 Min Hours Servings Minutes 1 Popcorn 2 Potato 3 Fresh Vegetable 1 Plate of Food 2 Soup Sauce 3 Casserole Cancel Clock Power Level Auto Reheat Auto Cook 1 Min Start Defrost 3 Operating Instructions 3 1 Control Panel 3 2 Features External Views Door Ventilation Holes Light Safety Interlock Holes Control Panel Display Roller Ring Coupler Glass Plate Door Latches 517mm 297mm 395mm ...

Page 7: ...es not hit any adjacent parts or it may be damaged 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 4 2 Replacement of High Voltage Transformer Lamp Magnetron H V Tran...

Page 8: ...ndling Door C because it is fragile 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 Remove pin hinge from Door E Detach spring from Door E and key door 4 3 2 Removal of Door C 4 3 3 Removal of Door E 4 3 4 Removal of Key Door Spring Disassembly...

Page 9: ...s 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 2 Adjust so that the door has no play between ...

Page 10: ...emove the screw securing the ground tail of the keyboard 1 Pull the lever end of the plastic fastener and remove the Flexible Printed Circuit FPC of membrane panel 2 Remove screws securing the control circuit board 3 Lift up the control circuit board from the Ass y control box 4 When reconnecting the FPC connector make sure that the holes on the connector are properly engaged with the hooks on the...

Page 11: ...terminal and magnetron case should read open 1 The low voltage transformer is located on the control circuit board 2 Remove the low voltage transformer from the PCB Ass y and check continuity 3 Normal resistor reading is shown in the table Filament Terminals Secondary Terminal Primary Terminals Secondary Approx 90Ω 10 Filament Approx 0Ω Primary Approx 0 4Ω 10 Terminals Resistance 1 2 Input 246 7 Ω...

Page 12: ...ance between each terminal and chassis should read infinite 1 Isolate the diode from the circuit by disconnecting its leads 2 With the ohm meter set at the highest resistance scale measure across the diode terminals Reverse the meter leads and read the resistance A meter with 6V 9V or higher voltage batteries should be used to check the front to back resistance of the diode otherwise an infinite r...

Page 13: ...on 4 When heating is finished stir the water again with the thermometer and measure the temperature T2 5 Subtract T1 from T2 This will give you the water temperature rise T 6 The output power is obtained by the following formula 7 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 ...

Page 14: ... a radiarion preventing device make a repair record for the measured values and keep the data 2 If the radiation leakage is more than 4 mW cm2 after determining that all parts are in good condition functioning properly and the identical parts are replaced as listed in this manual notift that fact to CENTRAL SERVICE CENTER 5 12 2 At least once a year have the microwave energy survey meter checked f...

Page 15: ...sing switch 3 Defective monitor switch NOTE1 4 Shorted HVCapacitor 5 Shorted HVTransformer NOTE2 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 HVTransformer is replaced check diode and magnetron also Oven does not accept 1 Key input is not in Sequ...

Page 16: ...noise can be heard 1 Loose fan and fan motor Tighten screws of fan motor 2 Loose screws on H V Transformer Tighten screws of H V Transformer 3 Shorted H V Diode Replace H V Diode Turntable motor does not rotate 1 Open or loose wiring of turntable motor Replace turntable motor 2 Defective turntable motor Oven stops operation during cooking 1 Open or loose wiring of primary Adjust door and latch swi...

Page 17: ... MM28 MM171 MM16 MD01 MC01 MM14 MM128 MM30 MM31 MM27 MM07 MM03 MM34 M6 MM17 MM08 MM55 MB01 MM10 MM09 MM128 1 MM71 MM20 MM18 MM19 MM29 MD14 MD02 MD03 MD24 MD04 MD06 MD05 MD10 MD11 MD07 MD08 MC17 MC03 MC06 MC14 MC146 MC13 MC07 MC147 MC143 MC142 MC144 MC141 MB05 MB03 MB03 MB02 MB04 MC145 MC04 MC15 ...

Page 18: ...98C TRANS H V SHV 5574UC1 1 120V 2170V 3 50V 60HZ 1 MM16 DE71 60011A COVER MGT PP T2 0 WHT M745 1 MM17 DE47 20009A THERMOSTAT PW2N 520PB 160 60 250V 7 5A H 1 MM171 DE47 20173A THERMOSTAT PW 2N 90 60 30 187Y 250V7 5A 9 1 MM18 DE74 20015B TRAY COOKING GLASS T6 0 PI318 1050G MW5630T 1 MM19 DE92 90189D ASSY GUIDE ROLLER D19 STD 1 MM20 DE67 60075A COUPLER PPS 7G BRN M97G45 1 MM22 DE31 10154A MOTOR SYNC...

Page 19: ...145 DE66 20178F BUTTON SELECT E ABS HR0370D 2G GRN M959GR X 1 MC146 DE66 20197U BUTTON SELECT A B PC 2g GRN MW5286N XBM 1 MC147 DE66 20198U BUTTON SELECT A C PC 2g GRN MW5286N XBM 1 MC15 DE66 20173T BUTTON START ABS HR0370D 7g GRN MW528 1 MC17 DE71 60366X COVER PANEL ABS HR0370D GRN MW5286N 1 MD01 DE92 40175V ASSY DOOR MW5286N XBM GRN 1 MD02 DE64 40263H DOOR A ABS HR0370D 160G GRN M959GR X 1 MD03 ...

Page 20: ...E60 10082H SCREW A 2S 4X12 TOOTHED 2 C PANE DE60 10082H SCREW A 2S 4X12 TOOTHED 1 MEM PN DE60 10082H SCREW A 2S 4X12 TOOTHED 5 OPANEL DE60 10082H SCREW A 2S 4X12 TOOTHED 1 P EART DE60 10098A SCREW ASSY TAP TITE GLD SWRCH18A ZPC2 PH TC M4X8 WT 1 CV TCO DE60 10098A SCREW ASSY TAP TITE GLD SWRCH18A ZPC2 PH TC M4X8 WT 2 M GEAR DE60 20063A BOLT FLANGE M4 10 ZPC3 YEL MSWR 2 HI LOW DE60 20063A BOLT FLANG...

Page 21: ...8 P C B Diagrams 8 1 P C B Diagrams Samsung Electronics 8 1 ...

Page 22: ...IP 16P STICK TR AR 1 IC1 DE13 20017A IC DRIVE KID65003AP DIP 16P STICK TR AR 1 IC4 DE39 60001A WIRE SO COPPER PI0 6 SN T 52MM TAPING_WIRE 18 J01 05 07 19 DE39 60001A WIRE SO COPPER PI0 6 SN T 52MM TAPING_WIRE 37 J21 54 60 62 DE41 00064B PCB MAIN AW G120 FR 1 T1 6 W197 L271 5 1 AW G120SBG DE92 90061B ASSY FLAT WIRE SEW 10 120 2877 1 A F 0504 001014 TR DIGITAL KSR1005 NPN 300MW 4 7K 10K TO 92 TP 1 T...

Page 23: ...POWER MUST BE DISCONNECTED BEFORE SERVICING THIS APPLIANCE WARNING NOTE CIRCUIT SHOWN WITH DOOR IS OPENED POSITION NOTE FOR SERVICE REPLACEMENT USE 16 GA 105 C THERMOPLASTIC COVERED WIRE EXCEPT FOR HIGH VOLTAGE LEADS OR AS NOTED ON SPECIAL LEADS 1 INPUT 120V 60HZ 2 DOOR OPEN 3 LAMP ON 4 P C B PATTERN 5 P C B IN OUT POINT MGT TCO COM NC 120V 130V 40W 21V 0V NO L FM DM RED ORG WHT BLk BLk FA F HIGH ...

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