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2. Specifications

2-1 Table of Specifications

Samsung Electronics

2-1

MODEL

MW5490W / MW5491G

ITEM

TIMER

99 MINUTES 99 SECONDS

POWER SOURCE

120V/60HZ, AC

POWER CONSUMPTION

MICROWAVE : 1,450W

OUTPUT POWER

FROM 100W TO 1000W (10 LEVEL POWER)

(IEC-705 TEST PROCEDURE)

OPERATING FREQUENCY

2,450MHz

MAGNETRON

OM75PH(31)ESS

COOLING METHOD

COOLING FAN MOTOR

OUTSIDE DIMENSIONS

20

11/32

(W) x 11

11/16

(H) x 14

11/16

(D)

NET WEIGHT

35.3 lbs.

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Содержание MW5490W

Страница 1: ...ERVICEManual 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 ...

Страница 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...

Страница 3: ...nicians should remove their watches 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 Primary door sensi...

Страница 4: ...ages 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 the oven chassis Use a screwdriver...

Страница 5: ...INUTES 99 SECONDS POWER SOURCE 120V 60HZ AC POWER CONSUMPTION MICROWAVE 1 450W OUTPUT POWER FROM 100W TO 1000W 10 LEVEL POWER IEC 705 TEST PROCEDURE OPERATING FREQUENCY 2 450MHz MAGNETRON OM75PH 31 ESS COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 2011 32 W x 1111 16 H x 1411 16 D NET WEIGHT 35 3 lbs ...

Страница 6: ...ing to cook popular foods Number Key Button Sets cooking times or amounts More Less Button Inscreases to decreases cooking time Start Button Press to start cooking Kitchen Timer Button Auto Defrost Auto Reheat Pause Cancel Start Clock Kitchen Timer One Minute Popcorn Diet Cook Frozen Dinner 1 2 3 4 5 6 7 8 9 0 More Less Power Level Baby Food Potato Fresh Vegetable 3 Operating Instructions 3 1 Cont...

Страница 7: ...e back panel of fan motor assembly 6 Take out the fan motor assembly 7 Remove the oven lamp by pulling 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 condition 1 Discharge...

Страница 8: ... a thin metal plate between Door E and Door A until you hear the tick sound Insertion depth of the thin metal plate should be 0 5mm or less Insert flat screwdriver 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 4 3 1 Removal of Door C 4 3 2 Removal of Door E Disassembly and Reassembly Door C Door A Door E ...

Страница 9: ...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 2 Adjust so that the d...

Страница 10: ...e 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 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 Therefor...

Страница 11: ...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 high volta...

Страница 12: ...n 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 switche...

Страница 13: ...ir the water again with the thermometer and measure the temperature T2 5 Subtract T1 from T2 This will give you the water temperature rise DT 6 The output power is obtained by the following formula 7 Normal temperature rise for this model is 9 9ûC to 10 5ûC 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 i...

Страница 14: ...r 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 5 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 check...

Страница 15: ...r sensing 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...

Страница 16: ... 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 Check the wire of turntable motor 2 Defective turntable motor Replace turntable motor Oven stops operation during cooking 1 Open or loose wiring of primary Adjust do...

Страница 17: ...onics 7 Exploded Views and Parts List 7 1 Exploded Views 7 1 M1 M2 M21 M22 M26 M25 M11 M13 M14 M15 M12 M16 M17 M18 M19 M20 M3 M4 M5 M6 M7 M8 M9 M10 B1 B2 B2 B4 B3 M27 M23 C1 C2 C3 C4 C5 C6 C7 C8 M24 D1 D2 D3 D5 D6 D4 ...

Страница 18: ...5 W31X100 5 12G NTR 3RD W 1 M12 DE26 00019A TRANS H V SHV 5594UC 120V60HZ 2195V 3 60V DY 1 M13 2501 001105 C OIL 950nF 2 1KV BK 54x35x80 20 1 M14 DE61 50106A BRACKET HVC SECC T0 8 W31 L125 8 1 M15 DE91 70063A ASSY HVD V2M6 PI9 0 0 05MT 1 M16 DE74 20015B TRAY COOKING GLASS T6 0 PI318 1050G MW5630T 1 M17 DE92 90189P ASSY GUIDE ROLLER MW5896W 1 M18 DE67 60081A COUPLER PPS 3RD 1 0 1 3 1 M19 DE61 50579...

Страница 19: ...90W C 1 DE66 20010B BUTTON PUSH ABS D GRY 17 6G MW4371G 1 MW5491G C 2 DE61 70076A SPRING BUTTON HSWR PI0 6 1 C 3 DE34 00013D SWITCH MEMBRANE PET MW5490W 120V60HZ 1 MW5490W C 3 DE34 00013F SWITCH MEMBRANE PET MW5491G 120V60HZ 1 MW5491G C 4 DE72 70161A CONTROL PANEL ABS VH 0800 PURE WHT MW5470W 1 MW5490W C 4 DE72 70161B CONTROL PANEL ABS VH0800 GRY MW5471G 1 MW5491G C 5 DE97 00047A ASSY PCB MAIN RA ...

Страница 20: ... DE60 10082H SCREW A 2S 4X12 TOOTHED 1 P C EA DE60 10082H SCREW A 2S 4X12 TOOTHED 5 PN OUT DE60 10082H SCREW A 2S 4X12 TOOTHED 1 S M EA DE60 10098A SCREW ASSY TAP TITE PH TC M4X8 SWRCH18A ZPC2 GLD W 2 M DRIV DE60 10088A SCREW TAP PH PH M3 L8 FEFZY PLAIN 2 DE60 10098A SCREW ASSY TAP TITE PH TC M4X8 SWRCH18A ZPC2 GLD W 1 HVD DE60 10012A SCREW TAP TITE TH 3 M4 L10 SWR10 ZPC2 TOOTH 1 DE60 10098A SCREW...

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

Страница 22: ...A SIP 6P TP 1 AR01 P18 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V TP 2 2x3 1 C09 C10 C11 C12 P19 2401 000151 C AL 1000uF 20 25V GP TP 12 5x20 5 1 C02 P20 2401 000244 C AL 100uF 20 10V GP TP 6 3x7 5 1 C04 P21 2401 000466 C AL 10uF 20 35V GP TP 5x7 5 1 C08 P22 2401 000914 C AL 22uF 20 16V GP TP 5x11 5 1 C05 C07 P23 2401 002075 C AL 4 7uF 20 50V GP TP 5x11 5 1 C06 P24 2401 002598 C AL 220uF ...

Страница 23: ...BLU BLU BLK BLK GND FUSE WHT RED RED YEL YEL YEL COM NC 120V 125V 40W 21V 0V NO FM DM L ASSY PCB BOARD DOOR SENSING S W CONDITION DOOR IS OPENED 120V15A PCB PATTERN BLK BLU BLK R RED RED ORG RED BLK BLU RED ORG ORG BLU BLK MAGNETRON HIGH VOLTAGE DIODE TO CHASSIS FA F HIGH VOLTAGE TRANSFORMER POWER RELAY DOOR SENSING SWITCH BOTTOM MONITOR SWITCH CENTER BLK PRIMARY SWITCH TOP HIGH VOLTAGE CAPACITOR ...

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