Samsung M1714R, Service Manual

Page 1: ...W 0 1 2 3 4 5 6 7 8 9 10 15 20 25 30 35 1 Precaution 2 Specifications 3 Operating Instructions 4 Disassembly and Reassembly 5 Alignment and Adjustments 6 Troubleshooting 7 Exploded Views and Parts List 8 Schematic Diagrams SRSC Downloaded from www Manualslib com manuals search engine ...

Page 2: ...crowave 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 released to the owner e A Microwav...

Page 3: ... 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 Alteration Warning Use exact replacem...

Page 4: ... 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 screwdriver 3 High voltage is maintaine...

Page 5: ...WER SOURCE 230V 50Hz AC POWER CONSUMPTION MICROWAVE 1 250W OUTPUT POWER FROM 85 TO 850W IEC 705 TEST PROCEDURE OPERATING FREQUENCY 2 450MHz MAGNETRON OM75SH 31 COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 489 W x 275 H x 370 D Downloaded from www Manualslib com manuals search engine ...

Page 6: ... Control Panel 3 2 Features External Views Door Ventilation Holes Light Safety Interlock Holes Control Panel Roller Ring Coupler Glass Plate Door Latches 100 300 600 700 450 850W 0 1 2 3 4 5 6 7 8 9 10 15 20 25 30 35 489mm 275mm 370mm 100 300 600 700 450 850W 0 1 2 3 4 5 6 7 8 9 10 15 20 25 30 35 Downloaded from www Manualslib com manuals search engine ...

Page 7: ...ay 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 Remove the mounting bolts 4 Reconnect the leads correctly and firmly 4 1 Replacement of High Voltage Transformer Lamp Magnetron H V Trans H V Capacitor Screw Thermo S W Cove...

Page 8: ...tween Door E and Door C to remove Door C Be careful when handling Door C because it is fragile 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 1 Insertion depth of the thin metal plate should be 0 5mm or less 4 3 4 Removal of Key Door Spring Remove pin hinge from Door E Detach spring from Door E and key door ...

Page 9: ...osition 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 component parts of the door reassemble it and follow the instructions ...

Page 10: ...nics 1 Disconnect the connectors from the control box assembly 2 Remove screws securing the control box assembly 3 Remove the knobs of the control box Ass y 4 Remove the screw securing the timer CONTROL BOX SCREW Disassembly and Reassembly Downloaded from www Manualslib com manuals search engine ...

Page 11: ...e 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 Filament Terminals Secondary Terminal Primary Terminals Secondary Approx 116W Filament Approx 0W Primary Approx 1 425W Terminals Resistance 1 2 Input 1 000W 3 4 Output 2 9V 3 947W 5 6 Ou...

Page 12: ...ing 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 following the components tes...

Page 13: ... stir 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 Output W 100 x DT 7 Normal temperature rise for this model is 9ûC to 11ûC at HIGH NOTE 1 Variations or errors in the test procedure will cause a variance in the temperature rise Additional power test...

Page 14: ... 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 checke...

Page 15: ... 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 light 5 Thermal cutout In this ...

Page 16: ...fective 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 Blocking of Check...

Page 17: ... 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 Symptom Related Parts Check Poin...

Page 18: ... 1 Exploded Views M1 M2 M21 M22 M23 M24 M25 M26 M15 M14 M16 M18 M19 M20 M30 M3 M4 M29 M28 M5 M6 M7 M8 M9 M10 M12 M13 M11 M17 M27 D1 D2 D3 D4 D5 D6 D7 D9 D8 B1 B2 B2 B3 B4 NC NO COM C2 C1 C3 C5 C6 C7 C4 Downloaded from www Manualslib com manuals search engine ...

Page 19: ...VER AIR PP T1 7 W115 5 L150 WHT 3RD W0 1 M15 DE26 00014A TRANS H V SHV 175EC 230V50HZ 2275V 3 40V DY 1 M16 DE61 50106A BRACKET HVC SECC T0 8 W31 L125 8 1 M17 2501 001105 C OIL 950nF 2 1KV BK 54x35x80 20 1 M18 DE59 40001A DIODE H V HVR 1X 32B 12 1 M19 DE91 70061B ASSY H V FUSE THV060T 0750 H 5KV0 75A RED 1 M20 DE61 40017A FOOT PP A353 BLK MW5630T 2 M21 DE31 10154A MOTOR DRIVE M2HJ49ZR02 ST 16 50 60...

Page 20: ...ews and Parts List 7 3 Door Parts List Ref No Parts No Description Specification Q ty Remarks C 1 DE64 00008A KNOB TIMER ABS HR0370 P WHT M1714 1 C 2 DE71 00006A COVER PANEL ABS HR0370 M1714 XEF P WHT 1 C 3 DE72 00010J CONTROL PANEL M1714R BWT P WHT RUSSIA 1 C 4 DE64 00006A KNOB POWER ABS 10G WHT M1974 1 C 5 DE45 00004A TIMER TMFK35M1B1 FISH CMO VARIABLE 1 C 6 3501 000309 RELAY POWER 240V 3750VA 1...

Page 21: ...E60 10082H SCREW A 2S 4X12 TOOTHED 2 C BOX DE60 10082H SCREW A 2S 4X12 TOOTHED 4 O PANEL DE60 10098A SCREW ASSY TAP TITE PH TC M4X8 SWRCH18A ZPC2 GLD W 1 CAVITY TCO DE60 10098A SCREW ASSY TAP TITE PH TC M4X8 SWRCH18A ZPC2 GLD W 2 D MOTOR DE60 10098A SCREW ASSY TAP TITE PH TC M4X8 SWRCH18A ZPC2 GLD W 2 MGT TCO DE60 30016A NUT FLANGE M4 MSWR10 2 F MOTOR DE60 10069A SCREW TAP TH TH M4 L10 FRFZY 1 REL...

Page 22: ...8 1 Samsung Electronics 8 Schematic Diagrams 8 1 Schematic Diagrams Downloaded from www Manualslib com manuals search engine ...