Danby DMW769W Service Manual Download Page 1

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MICROWAVE OVEN

DMW769W / DMW769BL

DMW769W-1 / DMW769BL-1

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

DANBY

Summary of Contents for DMW769W

Page 1: ...9BL 1 SERVICEManual 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...

Page 2: ...ans 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 follow...

Page 3: ...rged about 30 seconds after disconnection Short the negative terminal of the high voltage capacitor to the oven chassis Use a screwdriver 3 High voltage is maintained within specified limits by close...

Page 4: ...450MHz MAGNETRON OM75SH 31 COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 198 32 W x 1026 32 H x 1325 32 D NET WEIGHT 27 6 LBS SHIPPING WEIGHT 30 9 LBS 2 2 Feature Chart MODEL FEATURE MORE LESS...

Page 5: ...power to level other than high Clock Sets current time Kitchen Timer More Less Button Increases or decreases cooking time Pause Canel Press to pause oven or correct a mistake Number Buttons Sets cook...

Page 6: ...l 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 adj...

Page 7: ...al 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 remov...

Page 8: ...and the coupler 7 When replacing the drive motor be sure to remount it in the correct position with the coupler 8 Connect all the leads to the drive motor 9 Screw the drive motor cover to the base pla...

Page 9: ...trol 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...

Page 10: ...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...

Page 11: ...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...

Page 12: ...r 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 temp...

Page 13: ...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 func...

Page 14: ...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...

Page 15: ...n 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 wi...

Page 16: ...ploded Views and Parts List 7 1 Exploded Views 7 1 M1 M2 M21 M22 M23 C1 C2 C3 C4 C5 C6 M24 D1 D2 D3 D5 D6 M11 M26 M13 M14 M15 M12 M16 M17 M18 M19 M20 M3 M25 M27 M4 M5 M6 M7 M8 M9 M10 B1 B2 B4 B3 D4 D7...

Page 17: ...OOR PP TB53 GH10 T2 5 W31X100 5 12G NTR 3RD W 1 M12 DE26 10156A TRANS H V SHV 4593UC 120V 2015V 3 10V 60 1 M13 2501 001018 C OIL 800nF 2100V BK 35X54X70 20mm 1 M14 DE61 50106A BRACKET HVC SECC T0 8 W3...

Page 18: ...N DOOR SAN T2 2 W354 L224 SMOG 3RD 0 7CU FT 1 D 5 DE92 50133C ASSY DOOR E MW4593G BLK 3RD 0 7 1 D 6 DE64 40008B DOOR C PP T1 5 BLK CE745G 1 D 7 DE01 00112A FILM DOOR PET T0 15 W150 L268 NTR 3RD W 1 Re...

Page 19: ...EW A 2S 4X12 TOOTHED 2 OUT PA DE60 10082H SCREW A 2S 4X12 TOOTHED 1 P CORD DE60 10082H SCREW A 2S 4X12 TOOTHED 1 PCB GND DE60 10098A SCREW ASSY TAP TITE PH TC M4X8 SWRCH18A ZPC2 GLD W 2 G MOTOR DE60 1...

Page 20: ...8 P C B Diagrams 8 1 P C B Diagrams 8 1...

Page 21: ...C10 C11 C12 P20 2401 000151 C AL 1000uF 20 25V GP TP 12 5x20 5 1 C02 P21 2401 000244 C AL 100uF 20 10V GP TP 6 3x7 5 1 C04 P22 2401 000466 C AL 10uF 20 35V GP TP 5x7 5 1 C08 P23 2401 000914 C AL 22uF...

Page 22: ...EL YELLOW BLU BLUE ORG ORANGE G GREEN MGT TCO COM COM NC 120V 120V 130V 40W 21V 0V NO L FM DM ASSY CHOKE P C B FUSE WHT G G GND GND C 1 C 3 C2 0 9mH 500K 2200pF 2200pF BLK BLK BLK WHT RED WHT WHT BLK...

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