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MICROWAVE OVEN

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

M197DFR

BWT

Summary of Contents for M197DFR

Page 1: ...ICROWAVE OVEN CONTENTS 1 Precaution 2 Speci cations 3 Operating Instructions 4 Disassembly and Reassembly 5 Alignment and Adjustments 6 Troubleshooting 7 Exploded Views and Parts List 8 PCB Diagrams 9...

Page 2: ...al is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd May 2004 Printed in Korea Co...

Page 3: ...tion 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 component...

Page 4: ...hes 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 second...

Page 5: ...onds after disconnection Short the negative terminal of the high voltage capacitor to to the oven chassis Use a screwdriver 3 High voltage is maintained within speci ed limits by close tolerance safet...

Page 6: ...TPUT POWER OPERATING FREQUENCY MAGNETRON COOLING METHOD OUTSIDE DIMENSIONS 99 MINUTES 230V 50Hz AC 87 5 MHz 108 0 MHz MICROWAVE 1 500W FROM 100 TO 1000W IEC 705 TEST PROCEDURE 2 450MHz OM75PH 31 COOLI...

Page 7: ...4 3 Operating Instructions VENTILATION HOLES LIGHT DOOR LATCHES HANDLE DOOR COUPLER ROLLER RING SAFETY INTERLOCK HOLES TURNTABLE 297mm 517mm 420mm 3 1 Control Panel 3 2 Features External Views...

Page 8: ...ed 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...

Page 9: ...is fragile Then remove the door assembly 4 3 2 Removal of Door E Following the procedure as shown in the gure insert and bend a thin metal plate between Door E and Door A until you hear the tick sound...

Page 10: ...re to remount it in the correct position 8 Connect all the leads to the drive motor 9 Screw the drive motor cover to the base plate with a screwdriver 10 Remount the coupler in the correct position 1...

Page 11: ...om the control circuit board 3 Remove screws securing the control box assembly 4 6 2 Removal of Ass y P C B Assembly 1 Disconnect the connectors from the control circuit board 2 Remove screw securing...

Page 12: ...from its power source and dis charge the high voltage capacitor 1 Mike and speaker is locked on the Assy control panel 2 Disconnect the mike and speaker from Assy control panel 3 Normal resistor read...

Page 13: ...k 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...

Page 14: ...ormal 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 power test should be made if tem...

Page 15: ...r seam is taken near a corner of the door keep the probe perpendicular to the areas making sure that the probe end at the base of the cone does not get closer than 5cm to any metal If it gets closer t...

Page 16: ...Timer starts countdown but no microwave oscillation No heat while oven lamp and fan motor turn on 1 Off alignment of latch switches 2 Open or loose connection of high volt age circuit especially magne...

Page 17: ...motor 2 Defective turntable motor Replace turntable motor Oven stops operation dur ing cooking 1 Open or loose wiring of primary inter lock switch 2 Operation of thermal cutout Magnetron Adjust door...

Page 18: ...19 D003 D002 D011 D007 D049 C009 C001 C005 M001 M015 M019 M020 H018 M017 M049 M029 M051 T001 T017 M034 M038 M039 M040 M048 M047 W002 M041 M042 M035 M037 M036 B018 C082 B006 B010 B011 B001 B001 B002 C0...

Page 19: ...85 75 187 1 MGT BKT M034 DE67 00182A COUPLER 5TH 1 0 PPS 1 M035 OM75P 31 ERHN ASSY MAGNETRON OM75P 31 ERHN 1 M036 4713 001046 LAMP INCANDESCENT 240V 104mA 25W ORG 1 M037 DE63 00208A COVER AIR 5TH 1 0...

Page 20: ...OL PANEL M197DFR 5 BWT ABS 1 C009 DE64 01046B WINDOW DISPLAY M197DF SAN SMOG R 1 C011 DE64 01047A BUTTON SELECT A MF1077WC ABS VE0812 1 C012 DE64 01048A BUTTON SELECT B MF1077WC ABS VE0812 1 C013 DE64...

Page 21: ...001174 SCREW TAPPING WE TH M4 L12 ZPC YEL 2 CN BOX 6006 001174 SCREW TAPPING WE TH M4 L12 ZPC YEL 1 CV AIR 6006 001174 SCREW TAPPING WE TH M4 L12 ZPC YEL 2 MO FAN 6006 001174 SCREW TAPPING WE TH M4 L...

Page 22: ...007 000671 R CHIP 2Kohm 5 1 8W TP 2012 1 R03 R09 R23 R29 R44 2007 000872 R CHIP 4 7Kohm 5 1 8W TP 2012 1 OR04 R02 R12 R13 2007 000941 R CHIP 47Kohm 5 1 8W TP 2012 1 R07 R08 R14 R19 2203 000192 C CER C...

Page 23: ...DD 1 VSS 3 XIN 2 XOUT MM4148 D04 43 42 41 40 46 56 55 23 24 25 18 4 RESET 7 TEST 31 VAREF 30 VASS 32 37 36 21 9 17 20 12 10 14 16 13 27 22 26 45 44 33 34 35 8 6 5 64 63 62 61 60 59 58 57 38 39 47 48 4...

Page 24: ...ms This Document can not be used without Samsung s authorization PTC BRN BROWN BLU BLUE RED RED RED BRN BLK FA F HIGH VOLTAGE TRANSFORMER H V FUSE HIGH VOLTAGE CAPACITOR HIGH VOLTAGE DIODE TO CHASSIS...

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