Samsung M1913 Service Manual Download Page 22

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Samsung Electronics

8-1

8. Wiring Diagram

RED

BRN

BLU

HIGH VOLTAGE
TRANSFORMER

H.V.FUSE

HIGH VOLTAGE CAPACITOR

HIGH VOLTAGE
DIODE

TO CHASSIS

MAGNETRON

SYMBOL COLOR
BRN BROWN
BLK BLACK
RED RED
BLU BLUE
ORG ORANGE

RED

Wiring Diagram

High Voltage Circuit

Summary of Contents for M1913

Page 1: ...BLUE BROWN 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 Wiring Diagram ...

Page 2: ...hes 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 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 Alteratio...

Page 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...

Page 4: ... SOURCE 230V 50Hz SINGLE PHASE POWER CONSUMPTION 1 400W OUTPUT POWER 100W 1000W IEC 705 OPERATING FREQUENCY 2450MHz COOLING METHOD COOLING FAN MOTOR MAGNETRON OM75P 31 OUTSIDE DIMENSIONS 517 W x 297 D x 379 H mm OVEN CAVITY DIMENSIONS 366 W x 241 D x349 H mm SHIPPING WEIGHT APPROX 16 Kg ...

Page 5: ...3 Operating Instructions 3 1 Control Panel 3 1 Samsung Electronics Instant Reheat Cooking Power Control Knob Defrost Timer Knob Open Door Push Button ...

Page 6: ...r level to 100 maximum by turning COOKING POWER CONTROL knob 3 Set the time to 4 to 5 minutes by turing TIMER knob Important If any problem is experienced in the operation of the oven please refer to the section on page 4 what to do if you are in doubt or have a problem Operating Instruction 3 3 Checking That Your Oven is Operating Correctly 3 2 Features External Views LIGHT VENTILATION HOLES DOOR...

Page 7: ...W DEFROST 180W LOW 100W 3 5 Adjusting the Cooking Time During Cooking Stopping the Cooking Adding Extra Time To stop the cooking Press Temporarily Open Door To resume cooking close the door Completely Turn the TIMER knob to O Simply move the timer knob to any increased setting that you require 3 6 Manual Defrosting Food 3 7 Instant Cook Guide 1 Place the food in the oven and close the door 2 Turn ...

Page 8: ...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 condition 1 Discharge the high voltage capacitor 2 Disconnect all the leads 3 Rem...

Page 9: ...or Following the procedure as shown in the figure insert and bend 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 R...

Page 10: ...orrect 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 Disassembly ReaAssembly Screw Drive Motor Cover Base Plate Drive Motor 4 3 5 Reassembly Test After replacement of the defective component parts of the door reassemble it and follow the instructions below for proper installatio...

Page 11: ... A continuity check between each filament terminal and the magnetron case should read open 5 2 Magnetron 5 1 High Voltage Transformer Magnetron Antenn Cooling Fins Gasket Plate 5 Alignment and Adjustments PRECAUTION 1 High voltage is present at the high voltage terminal of the high voltage transformer during any cook cycle 2 It is neither necessary nor advisable to attempt measurement of the high ...

Page 12: ... and the interlock monitor switch all together Then follow the adjustment procedures below After repair and adjustment be sure to check the continuity of all interlock switches and the interlock monitor switch Door Open Door Closed Primary switch 0 Monitor switch COM NC 0 Monitor switch COM NO 0 Secondary switch 0 Alignment and Adjustments 5 3 High Voltage Capacitor 1 Check continuity of the capac...

Page 13: ... and time tests with accurate equipment 1 Fill the one liter glass vessel with one liter of water 2 Stir water in glass vessel with thermometer and record glass vessel s temperature as T1 10 1ûC 3 After moving the water into another glass vessel place it on the center of the cooking tray Set the oven to high power and operate for 45 seconds exactly 2 seconds included as a holding time of magnetron...

Page 14: ...epair 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 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 13 2 At least once a year have the microwave energy survey meter c...

Page 15: ...fuse 2 Poor contact of Check continuity of power supply cord Also check Adjust or replace the power cord whether the power cord is securely wired power supply cord 3 Defective lamp The fan motor rotates but lamp does not light Replace the lamp Oven lamp 4 Defective timer Check the terminals of timer for continuity Replace the timer does not contacts turning the timer knob ON and OFF repeatedly lig...

Page 16: ...e screw 1 Defective If the timer does not operate with 220 230V applied to the Replace timer Timer does timer motor terminals the timer motor amy be faulty not operate 2 Defective The lamp does not light Replace timer contacts of timer S W Cooking tray 1 Defective Check to see if 21V exists at the motor terminals Replace drive motor does not drive motor If so motor will be defective rotate 1 Block...

Page 17: ...eck the continuity of primary coil and secondary Replace the H V Trans coil If there is no continuity H V Transformer is H V Transformer former defective 7 Shorted H V Check the continuity of capacitor Replace the capacitor If the capacitor shorts the fuse blows H V Capacitor 8 Monitor fuse Check the monitor fuse Replace the blown out on the noise filter Monitor fuse 6 2 Unsatisfactory Cooking Sym...

Page 18: ... 7 1 7 Exploded Views and Parts List 7 1 Main Exploded View M1 M2 M4 M30 M31 M5 M6 M7 M8 M13 M12 M9 B2 B3 B4 B1 M10 M21 M23 M24 M25 M26 M27 M28 M29 M15 M17 M16 M19 M18 M3 M14 M22 M20 D6 D1 D2 D3 D5 D4 C1 C2 C3 C4 C5 C6 C7 ...

Page 19: ...ACKET HVC SECC T0 8 W31 L125 8 1 M17 2501 001019 C OIL 1 10uF 2100V BK 35X54X90 20mm 1 M18 DE91 70063A ASSY HVD V2M6 PI9 0 0 05MT 1 M19 DE91 70061A ASSY H V FUSE THV060T 0800 H 5KV 0 8A WHT 1 M20 DE61 50579A FOOT PP H8 PI15 8x16 1 BLK 3RD 2 M21 DE31 10154A MOTOR DRIVE M2HJ49ZR02 ST 16 50 60HZ 1 M22 DE80 10001F BASE PLATE SGCC T0 8 W345 L565 MW5896W 1 M23 DE47 20173A THERMOSTAT PW 2N 90 60 30 187Y ...

Page 20: ... WHITE C 3 DE64 10162C KNOB ABS BLUE M1713 B XEG 1 BLUE C 3 DE64 10162B KNOB ABS BRN M1713 M 1 BROWN C 4 DE72 70215B CONTROL PANEL D ABS HR0370U M1913 T2 L284 P WHT W9501 D TYPE 1 WHITE C 4 DE72 70215D CONTROL PANEL ABS M1913 B BLUE 1 BLUE C 4 DE72 70215C CONTROL PANEL ABS M1913 M BROWN 1 BROWN C 5 3501 000309 RELAY POWER 240V 3750VA 15A 6mS 20mS 1 C 6 DE45 00002A TIMER TMFK35M1A1 21V50HZ CM0 1 C ...

Page 21: ...60 10082H SCREW A 2S 4X12 TOOTHED 3 B PLTE DE60 10082H SCREW A 2S 4X12 TOOTHED 2 BD LAT DE60 10082H SCREW A 2S 4X12 TOOTHED 2 CN BOX DE60 10082H SCREW A 2S 4X12 TOOTHED 1 CV AIR DE60 10082H SCREW A 2S 4X12 TOOTHED 2 MO FAN DE60 10082H SCREW A 2S 4X12 TOOTHED 5 PN OUT DE60 10082H SCREW A 2S 4X12 TOOTHED 2 TCO DE60 10098A SCREW ASSY TAP TITE PH TC M4X8 SWRCH18A ZPC2 GLD W 2 M DRV DE60 10069A SCREW T...

Page 22: ...g Diagram RED RED BRN BLU FA F HIGH VOLTAGE TRANSFORMER H V FUSE HIGH VOLTAGE CAPACITOR HIGH VOLTAGE DIODE TO CHASSIS MAGNETRON SYMBOL COLOR BRN BROWN BLK BLACK RED RED BLU BLUE ORG ORANGE RED RED Wiring Diagram High Voltage Circuit ...

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