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MICROWAVE OVEN

M540

SERVICE

Manual

MICROWAVE OVEN

CONTENTS

Defrost

Power

Level

Pause

Cancel

Clock

Start

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

SEAU

Содержание Rant M540

Страница 1: ...rost Power Level 1 4 7 2 5 8 0 3 6 9 Pause Cancel Clock Start 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 SEAU ...

Страница 2: ...nterlock monitor switch 12 If the fuse is blown by the Interlock Monitor Switch Replace all of the following at the same time Primary and secondary switches 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...

Страница 3: ...es 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 See Figure 1 1 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 Use a screwdrive...

Страница 4: ...1 COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 461 W x 244 H x 310 D POWER LEVEL M540 10 60W 4 sec 26 sec 20 120W 7 sec 23 sec 30 180W 10 sec 20 sec 40 240W 13 sec 17 sec 50 300W 16 sec 14 sec 60 360W 19 sec 11 sec 70 420W 22 sec 8 sec 80 480W 25 sec 5 sec 90 540W 28 sec 2 sec 100 600W 30 sec 0 sec ON TIME OFF TIME 2 2 Comparison Chart MODEL FEATURE MORE LESS AUTO COOK DISH DEFROST TIME COO...

Страница 5: ...g Electronics 3 1 3 2 Features External Views Door VentilationSlot Light SafetyInterlockHoles ControlPanel OpenDoorPush Button GuideRoller GlassPlate DoorLatches Defrost Power Level 1 4 7 2 5 8 0 3 6 9 Pause Cancel Clock Start 461mm 355mm 244mm 185mm 310mm Defrost Power Level 1 4 7 2 5 8 0 3 6 9 Pause Cancel Clock Start ...

Страница 6: ...y carefully 7 Remove screws from the back panel 8 Take out the fan motor 9 Remove the oven lamp by rotating to pull out from hole of air cover 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 conditio...

Страница 7: ...driver into the gap between Door E and Door C to remove Door C Be careful when handling Door C because it is fragile 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 4 3 2 Removal of Door C Disassembly and Reassembly Upper Hinge Lower Hinge Door C Screws Screws Key Door Door E ...

Страница 8: ...hen replacing the drive motor be sure to remount it in the correct position 8 Connect all the leads to the drive motor 9 Screw the deive motor cover to the base plate with a screw driver 10 Remount the coupler in the correct position 4 4 Replacement of Fuse 4 5 Replacement of Drive Motor Disassembly and Reassembly Screw Drive Motor Cover Base Plate Drive Motor After replacement of the defective co...

Страница 9: ...nnecting the FPC connector make sure that the holes on the connector are properly engaged with the hooks on the Plastic Fastener 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 usin...

Страница 10: ...rminal 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 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 hig...

Страница 11: ...just 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 switches again by fo...

Страница 12: ...ional power test should be made if temperature rise is marginal NOTE 2 Output power in watts is computed by multiplying the temperature rise step E by a factor of 91 times the of centigrade temperature The microwave heat distribution can be checked indirectly by measuring the water temperature rise at certain positions in the oven 1 Prepare five beakers made of Pyrex having 100 milliliters capacit...

Страница 13: ...and repair of 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 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 SAMSUNG ELECTRONICS AUSTRALIA UNIT G 10 16 SOUTH ST RYDALMERE NSW 2116 AUSTRALIA 5 13 2 At...

Страница 14: ...witch 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 Sequence R...

Страница 15: ...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...

Страница 16: ...nics 7 Exploded Views and Parts List 7 1 Exploded Views 7 1 NC NO COM 3 4 5 9 7 10 32 33 31 40 30 29 38 37 34 34 36 35 28 27 26 25 24 23 15 14 13 12 17 16 39 41 46 1 2 11 47 49 48 6 42 43 45 44 51 8 22 21 20 50 19 18 ...

Страница 17: ...3 BL 1 17 DE64 40088C DOOR KEY NYLON 66 2021SW M530 M540 SEAU 1 18 DE91 10445A ASSY P C B MAIN 230V50HZ NS LED M540XSA 1 19 DE72 70125A CONTROL PANEL ABS VH0800 RA WH 02 B 125 1 20 DE67 40098A WINDOW DISPLAY PC SMOG MU3250W T1 0 W87 1 21 DE61 70076A SPRING BUTTON HSWR PI0 6 1 22 DE66 20052B BUTTON PUSH ABS VH 0800 RA BK 01 A 21G 1 23 DE66 90055B LEVER DOOR NYLON 66 2021SW M530 M540 SE 1 24 DE61 40...

Страница 18: ...T FLANGE M4 MSWR10 2 MO FAN DE60 10012A SCREW TAP TITE TH 3 M4 L10 SWR10 ZPC2 1 MEM PN DE02 00081A TAPE OPP OPP T0 07 W50 TRP OSCA 1 P CASE DE60 10080A SCREW WASHER M5 L12 2S 4 HVT DE60 10082J SCREW TAPPING TH 2S 4X8 MSWR3 ZPC YEL WS 1 B HVC DE60 10082J SCREW TAPPING TH 2S 4X8 MSWR3 ZPC YEL WS 1 NO FIL DE60 10098A SCREW ASSY TAPTITE PH TC M4X8 SWRCH18A Z 2 MO DRI DE60 10098A SCREW ASSY TAPTITE PH ...

Страница 19: ...8 P C B Diagrams 8 1 P C B Diagrams Samsung Electronics 8 1 HD 404222 ...

Страница 20: ...7 R01 07 2003 000522 R METAL OXIDE S 180ohm 5 1W AA TP 3 3x 1 R35 2201 000840 C CERAMIC DISC 4 7nF 20 50V Y5T TP 5x5 3 C09 11 2202 000780 C CERAMIC MLC AXIAL UP050F104Z 100NF 80 5 C04 08 2401 000150 C AL 1000uF 20 25V GP TP 10x16 5 1 C01 2401 001573 C AL 1SG1HNB476MAN 47UF 20 50V GP 6 3X1 1 C02 2802 000161 RESONATOR CERAMIC CST4 00MGW TF01 3 CN 4 1 X TAL 3002 000197 BUZZER PIEZO CBE2238BA 80DB 12V...

Страница 21: ...GT TCO SW2 CAVITY TCO SW3 PRIMARY S W SW4 MONITOR S W SW5 DOOR S W RY1 MAIN RELAY RY2 POWER RELAY RY1 MAIN RELAY RY2 POWER RELAY C1 0 1uF LINE CAPCITOR C2 2200pF BYE PASS C3 HIGH VOLTAGE CAPACITOR L OVEN LAMP FM FAN MOTOR DM DRIVE MOTOR L V T LOW VOLTAGE TRANS H V T HIGH VOLTAGE TRANS HIGH VOLTAGE DIODE CHASSIS GROUND GROUNDING Samsung Electronics RED RED BRN BLU FA F HIGH VOLTAGE TRANSFORMER H V ...

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