Samsung SJ0396W Service Manual Download

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MICROWAVE OVEN

SJ0396W (WHITE)

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

SEA

Summary of Contents for SJ0396W

Page 1: ...CE 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 SEA ...

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: ...tor 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 Alteration Warning Use exac...

Page 4: ...o measureany of the high voltages this includes the filament voltage of the magnetron High voltage is present during any cook cycle Before touching any components or wiring always unplug the oven and discharge the high voltage capacitor 2 The high voltage capacitor remains charged about 30 seconds after disconnection Short the negative terminal of the high voltage capacitor to to the oven chassis ...

Page 5: ...lectronics 2 1 TIMER 15 MINUTES POWER SOURCE 120V 60Hz AC POWER CONSUMPTION MICROWAVE 750W OUTPUT POWER 500W IEC 705 TEST PROCEDURE OPERATING FREQUENCY 2 450MHz MAGNETRON OM52S S20 COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 281 W x 330 5 H x 316 D ...

Page 6: ... Time Button Clear Off Button CUSTOM BABY FORMUL A BABY FOOD 3 Operating Instructions 3 1 Control Panel Samsung Electronics 3 1 3 2 Features External Views Door latches Door Control Panel Display Glass Cook Tray 281mm 330 5mm 316mm ...

Page 7: ...ws from the back panel 7 Take out the fan motor NOTE1 When removing the magnetron make sure that its antenna does 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 4 2 Replacement of High Voltage Transformer PRECAUTION Servicemen should remov their watches ...

Page 8: ...erlock switch door sensing switch monitor switch and power relay 3 When the above three switches operate properly check if any other part such as the control circuit board blower motor or high voltage transformer is defective 4 4 Replacement of Fuse After replacement of the defective component parts of the door reassemble it and follow the instructions below for proper installation and adjustment ...

Page 9: ...ecuring the control circuit board 2 Lift up the control circuit board from the Ass y control box 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 doublefaced adhesive tape Therefore applying hot air such as using of hair dryer is recommended f...

Page 10: ...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 175 2Ω Filament Approx 0 08Ω Primary Approx 1 998Ω Terminals Resistance 1 2 Input 1 300...

Page 11: ...e oven assembly 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 continuity of the monitor circuit and all latch sw...

Page 12: ...f 50 times the of centigrade temperature 4 187 x 1000 x T Output Power 82 82 Heating Time sec 4 187 Coefficient for Water 1000 Water cc T Temperature Rise T2 T1 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 5 3 Alignment and Adjustments 5 9 Procedure for Measur...

Page 13: ...l 2 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 3 Start the oven at the highest power level 4 Set survey meter dual ranges to 2 450MHz 5 Using the survey meter and spacer cone as described above measure arnear the opening of magnetron the surface of the air guide and the surface of the wave guide as shown in the follow...

Page 14: ...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 Sequence Refer to ...

Page 15: ...PCB main to the plugged in mode Loud buzzing 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 Oven stops operation during cooking 1 Open or loose wiring of primary Adjust door and latch switches interlock switch 2 Operation of thermal cutout Cavity Sparks 1 Metallic war...

Page 16: ...Samsung Electronics 7 Exploded Views and Parts List 7 1 Exploded Views 1 33 31 36 30 27 26 29 23 22 25 24 28 21 17 16 18 19 15 14 12 13 11 10 8 9 2 5 4 3 6 7 32 37 20 38 40 41 39 34 35 7 1 ...

Page 17: ...63A ASSY HVD V2M6 PI9 0 0 05MT 1 20 DE94 00006R ASSY CONTROL PANEL SJ0396W XAA PURE WHT SEA 1 21 DE61 40017A FOOT PP A353 BLK MW5630T 2 22 DE26 10148B TRANS H V SHV 320UC1 1 120V 1970V 3 40V 60HZ UL923 EARSE 1 23 DE71 60442A COVER AIR P P WHT 42G 1 24 OM52S S20 ESS ASSY MAGNETRON OM52S S20 ESS 1 25 DE31 10182A MOTOR FAN SMF 320UA 120V 60HZ 2450rpm 8m 1 26 DE31 90054A BLADE FAN PP 100MM JE320WA GA ...

Page 18: ...12 FEFZY 2 C BOX DE60 10082I SCREW A 2S 4X12 FEFZY 1 O PANEL DE60 10082I SCREW A 2S 4X12 FEFZY 1 P C EARTH DE60 10082I SCREW A 2S 4X12 FEFZY 1 PCB EARTH DE60 10083A SCREW TAP TH TH M4 L12 FEFZY FA 1 B HVC DE60 10083A SCREW TAP TH TH M4 L12 FEFZY FA 1 BKT HVC DE60 10098A SCREW ASSY TAP TITE PH TC M4X8 SWRCH18A ZPC2 GLD W 1 ASSY TCO DE60 10195A SCREW STAR POLE TH 2 4 12 SWCH18A ZNC 2 O PANEL DE60 30...

Page 19: ...Samsung Electronics 8 1 8 P C B Diagrams 8 1 P C B Diagram BABY FOOD BABY FORMULA CUSTOM ...

Page 20: ... R010 P16 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM 1 R011 P17 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 4 R001 R002 R003 R008 P17 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 2 R009 R019 P18 2001 000435 R CARBON 1MOHM 5 1 8W AA TP 1 8X3 2MM 1 R021 P19 2001 000780 R CARBON 470OHM 5 1 8W AA TP 1 8X3 2MM 1 R007 P20 2202 000173 C CERAMIC MLC AXIAL 1nF 10 50V Y5P TP 1 9x3 5 2 C01...

Page 21: ...9 1 Samsung Electronics 9 Schematic Diagrams 9 1 Schematic Diagram ...

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