Samsung M757 Service Manual Download Page 16 | Manualshive

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Samsung Electronics

7. Exploded Views and Parts List

7-1 Exploded Views

7-1

M1

M2

M32

M3

M4

M5

M6

M7

M8

M13

M12

M10

M21

M23

M24

M25

M26

M27

M28

M29

M30

M31

M15

M17

M16

M19

M18

M22

M20

D3

D2

D9

D1

D7

D8

D4

D5

D6

C4

C5

C6

C2

C7

C3

C1

M9

B1

B2

B4

B3

B5

NC

NO

COM

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Summary of Contents for M757

Page 1: ...M 1min Auto Defrost Auto Reheat Cook Stop Cancel Start M757 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 SEI ...

Page 2: ...ts 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 and secondary switches 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 r...

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: ...METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 489 W x 275 H x 371 D POWER LEVEL M757 10 80W 4 sec 26 sec 20 160W 7 sec 23 sec 30 240W 10 sec 20 sec 40 320W 13 sec 17 sec 50 400W 16 sec 14 sec 60 480W 19 sec 11 sec 70 560W 22 sec 8 sec 80 640W 25 sec 5 sec 90 720W 28 sec 2 sec 100 800W 30 sec 0 sec ON TIME OFF TIME 2 2 Comparison Chart MODEL FEATURE MORE LESS AUTO COOK DISH O AUTO DEFROST O TIME COOK...

Page 5: ...on Instant Cook Button M 1min Arrêt Annulation Départ M757 Decongel Auto Cuisson Rechauf Auto 3 Operating Instructions 3 1 Control Panel Samsung Electronics 3 1 3 2 Features External Views Door VentilationSlot Light SafetyInterlockHoles ControlPanel OpenDoorPush Button GuideRoller GlassPlate DoorLatches M 1min Auto Defrost Auto Reheat Cook Stop Cancel Start M757 489mm 357mm 275mm 200mm 371mm M 1mi...

Page 6: ...y carefully 7 Remove screws from the back panel 8 Take out the fan motor 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 conditio...

Page 7: ...e 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 4 3 2 Removal of Door C 4 3 3 Re...

Page 8: ... Remove the drive motor 7 When replacing the drive motor be sure to remount it in the correct 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 4 4 Replacement of Fuse 4 5 Replacement of Drive Motor Screw Drive Motor Cover Base Plate Drive Motor After replacement of the defective co...

Page 9: ...static electricity from your body and avoid touching the Touch control clrcuitry 2 Disconnect the connectors from the control circuit board 3 Remove screws securing the control circuit bord 4 Lift up the control circuit board from right side and remove the hooks holding the contol circuit board to the box assembly SCREWS ...

Page 10: ...rminal 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 hig...

Page 11: ...mbly 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 switches agai...

Page 12: ...nal power test should be made if temperature rise is marginal NOTE 2 Output power in watts is computed by multiplying the temperature rise step E by a factor of 91 times the of centigrade temperature The microwave heat distribution can be checked indirectly by measuring the water temperature rise at certain positions in the oven 1 Prepare five beakers made of Pyrex having 100 milliliters capacity ...

Page 13: ...pair 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 ß 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 SAMSUNG ELECTRONICS ITALY S P A VIA F LLI GRACCHI 48 20092 CINISELLO BALSAMO MILAN ITALY 5 13 ...

Page 14: ...witch 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 Sequence R...

Page 15: ...noise can be heard 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 Replace turntable motor 2 Defective turntable motor Oven stops operation during cooking 1 Open or loose wiring of primary Adjust door and latch swi...

Page 16: ...ed Views and Parts List 7 1 Exploded Views 7 1 M1 M2 M32 M3 M4 M5 M6 M7 M8 M13 M12 M10 M21 M23 M24 M25 M26 M27 M28 M29 M30 M31 M15 M17 M16 M19 M18 M22 M20 D3 D2 D9 D1 D7 D8 D4 D5 D6 C4 C5 C6 C2 C7 C3 C1 M9 B1 B2 B4 B3 B5 NC NO COM ...

Page 17: ...OKE TC 101 1 M 15 DE26 10121B TRANS H V SHV 745EC1 230V 50HZ KEC 2230V 3 1 M 16 DE61 50106A BRACKET HVC SECC T0 8 W31 L125 8 1 M 17 2501 001036 C OIL 950nF 2100V BK 35x54x85 20mm 1 M 18 DE59 40001A DIODE H V HVR 1X 32B 12 1 M 19 DE91 70061B ASSY H V FUSE THV060T 0750 H 5KV0 75A RE 1 M 20 DE61 40017A FOOT PP A353 BLK MW5630T 2 M 21 DE31 10154A MOTOR DRIVE M2HJ49ZR02 ST 16 21V 5 6 1 M 22 DE80 10003A...

Page 18: ...Remarks C 1 DE91 10430A ASSY P C B MAIN 230V50HZ NS LED M757 EURO 1 C 2 DE72 70178A CONTROL PANEL ABS HR 0370 WHT M757 DSW SAW 1 C 3 DE67 40147A WINDOW DISPLAY ACRYL SMOG M757 CE757G 1 C 4 DE66 20183A BUTTON SELECT B ABS HR 0370D WHT M757 1 C 5 DE66 20185A BUTTON SELECT A ABS WHT M757 CE757G 2 C 6 DE66 20184A BUTTON SELECT C ABS HR 0370D WHT M757 SKW 1 C 7 DE67 10128A KNOB ABS HR 0370D WHT M757 CE...

Page 19: ... 2 B PLTE DE60 10082A SCREW A M4 L12 2S TOOTHED 2 BD LAT DE60 10082A SCREW A M4 L12 2S TOOTHED 1 CV AIR DE60 10082A SCREW A M4 L12 2S TOOTHED 2 MO FAN DE60 10082A SCREW A M4 L12 2S TOOTHED 5 PN OUT DE60 10098A SCREW ASSY TAPTITE PH TC M4X8 SWRCH18A ZPC2 1 CV TCO DE60 10098A SCREW ASSY TAPTITE PH TC M4X8 SWRCH18A ZPC2 2 M DRIV DE60 10098A SCREW ASSY TAPTITE PH TC M4X8 SWRCH18A ZPC2 2 MG TCO DE60 20...

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

Page 21: ...UF 20 35V GP 10X1 1 C01 2802 000143 RESONATOR CERAMIC KBR 4 19M 4 19MHZ 0 5 BK 1 XTL1 3501 001014 RELAY POWER OM1F S 124LM 24V 21 8MA 17A 1 RY01 3501 001016 RELAY MINIATURE JV24 KT 24V 12 5MA 5A 1F 2 RY02 03 3708 000523 CONNECTOR FPC FC PIC FCZ254 08SL BLK 8P 1 CN04 3711 000203 CONNECTOR HEADER 1WALL 3P 1R 3 96mm STRA 1 CN01 3711 000881 CONNECTOR HEADER SMW250 03 WHT BOX 3P 1R 1 CN03 A1000 0620 R ...

Page 22: ...Y MAIN RELAY F FA MAGNETRON NO COM NO NC BLU YEL BRN BRN BRN BLK BLU BLK COM 0V LAMP 230V40W L V TRANS PRIMARY LATCH SWITCH NO COM ORG ORG MONITOR SWITCH L FM H V T H V D H V C H V FUSE 1mH BRN BROWN BLU BLUE ORG ORANGE RED RED WHT WHITE BLK BLACK YEL YELLOW GRN GREEN Y G YELLOW GREEN SYMBOL COLOR NOTE MAIN FUSE DM 1 INPUT 230V 2 DOOR OPEN 3 LAMP ON 4 P C B PATTERN 5 P C B IN OUT POINT ASSY MAIN P...

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