Samsung M759 Service Manual Download Page 20

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7-4

Samsung Electronics

Exploded Views and Parts List

Parts No.

Description / Specification

Q'ty

Remarks

DE60-10012A

SCREW-TAP TITE;TH,+,3,M4,L10,SWR10,ZPC2,TOOTH

N-F-EA

DE60-10012A

SCREW-TAP TITE;TH,+,3,M4,L10,SWR10,ZPC2,TOOTH

P-C-EA

DE60-10012A

SCREW-TAP TITE;TH,+,3,M4,L10,SWR10,ZPC2,TOOTH

S-M-EA

DE60-10013A

SCREW-ASSY TAP;TH,2S,4,L12,MSWR3,ZPC3,FIBER

F/MOTOR

DE60-10080A

SCREW-WASHER;M5,L12,2S

MGT

DE60-10080A

SCREW-WASHER;M5,L12,2S

TNS-HV

DE60-10082H

SCREW-A;2S-4X12,TOOTHED

B-PLTE

DE60-10082H

SCREW-A;2S-4X12,TOOTHED

BD-LAT

DE60-10082H

SCREW-A;2S-4X12,TOOTHED

CN-BOX

DE60-10082H

SCREW-A;2S-4X12,TOOTHED

CV/AIR

DE60-10082H

SCREW-A;2S-4X12,TOOTHED

PN/OUT

DE60-10098A

SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W

CV-TCO

DE60-10098A

SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W

M/DRIV

DE60-10098A

SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W

MG-TCO

DE60-10069A

SCREW-TAP TH;TH M4 L10 FEFZY

SCR/DOOR

DE60-10088A

SCREW-TAP PH;PH M3 L8 FEFZY PLAIN

PCB

DE60-20063A

BOLT-FLANGE;M4,10,ZPC3,YEL,MSWR

HI-LOW

DE60-20063A

BOLT-FLANGE;M4,10,ZPC3,YEL,MSWR

HI-UPP

7-6 Standard Parts List

Summary of Contents for M759

Page 1: ...g 10s 1min 10min Auto Auto 1 Min Start 1 2 3 Auto 1 2 3 1 2 3 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 BWT ...

Page 2: ... or inspection 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 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 releas...

Page 3: ...k 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 repaired 13 Design Alteration Warn...

Page 4: ...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 5: ...75SH 31 COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 489 W x 275 H x 368 D POWER LEVEL M759R 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 AUTO REHEAT O AUTO COOK O POWER LE...

Page 6: ...Auto 1 Min Start 1 2 3 Auto 1 2 3 1 2 3 3 Operating Instructions 3 1 Control Panel Samsung Electronics 3 1 3 2 Features External Views Door Ventilation Holes Light Safety Interlock Holes Control Panel Roller Ring Coupler Glass Plate Door Latches g Kg 10s 1min 10min Auto Auto 1 Min Start 1 2 3 Auto 1 2 3 1 2 3 489mm 275mm 368mm g Kg 10s 1min 10min Auto Auto 1 Min Start 1 2 3 Auto 1 2 3 1 2 3 ...

Page 7: ...it 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 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 Ca...

Page 8: ...ndling 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 Remove pin hinge from Door E Detach spring from Door E and key door 4 3 2 Removal of Door C 4 3 3 Removal of Door E 4 3 4 Removal of Key Door Spring Disassembly...

Page 9: ...hen 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 Disassembly and Reassembly Screw Drive Motor Cover Base Plate Drive Motor After replacement of the defective co...

Page 10: ...emove the screw securing the ground tail of the keyboard 1 Pull the lever end of the plastic fastener and remove the Flexible Printed Circuit FPC of membrane panel 2 Remove screws securing the control circuit board 3 Lift up the control circuit board from the Ass y control box 4 When reconnecting the FPC connector make sure that the holes on the connector are properly engaged with the hooks on the...

Page 11: ...erminal 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 Filament Terminals Secondary Terminal Primary Terminals M759R Secondary Approx 130Ω Filament Approx 0Ω Primary Approx 1 700Ω Terminals Resistance 1 2 Input 1 000...

Page 12: ...ust 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 again by fol...

Page 13: ...ional 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 capacit...

Page 14: ...ement 1 After adjustment and repair 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 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 micro...

Page 15: ...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 16: ...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 17: ...and Parts List 7 1 Exploded Views 7 1 M1 M2 M21 M22 M23 M24 M25 M26 M15 M14 M16 M18 M19 M20 M3 M4 M5 M6 M7 M8 M9 M10 M12 M13 M11 M17 D1 D12 D2 D3 D4 D5 D6 D7 D9 D8 D10 D11 B1 B2 B2 B3 B4 NC NO COM C2 C1 C3 C7 C5 C13 C8 C6 C10 C9 C11 C4 C12 ...

Page 18: ...02B TRAY COOKING GLASS T5 0 PI288 780G M745 1 M 12 DE92 90436A ASSY GUIDE ROLLER D16 5 MW4370W 1 M 13 DE67 60002A COUPLER PPS 5GR BRN M97G45 1 M 14 DE71 60010A COVER AIR PP TB53 T1 7 WHT 64G M745 1 M 15 DE26 10121B TRANS H V SHV 745EG1 230V 2230V 3 35V 1 M 16 DE61 50106A BRACKET HVC SECC T0 8 W31 L125 8 1 M 17 2501 001036 C OIL 950uF 2100V BK 35x54x85 20mm 1 M 18 DE59 40001A DIODE H V HVR 1X 32B 1...

Page 19: ...CH BODY POM F20 02 50GR RE 330 1 B 2 3405 000178 SWITCH MICRO 250V 15A 200gf SPST NO 2 B 3 3405 000175 SWITCH MICRO 250V 15A 200gf SPST NO 1 B 4 DE66 90054A LEVER SWITCH POM F20 02 15G NTR RE 330 1 7 5 Body Latch Parts List Ref No Parts No Description Specification Q ty Remarks C 1 DE67 40149B WINDOW DISPLAY ACRYL T2 SMOG 10G M759 M759R 1 C 2 DE66 20187B BUTTON SELECT C ABS HR 0370 5G WHT W9501 M7...

Page 20: ...CREW A 2S 4X12 TOOTHED 2 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 4 PN OUT DE60 10098A SCREW ASSY TAP TITE PH TC M4X8 SWRCH18A ZPC2 GLD W 1 CV TCO DE60 10098A SCREW ASSY TAP TITE PH TC M4X8 SWRCH18A ZPC2 GLD W 2 M DRIV DE60 10098A SCREW ASSY TAP TITE PH TC M4X8 S...

Page 21: ...RELAY POWER RELAY INRUSH RELAY DOOR SENSING SWITCH DOOR SENSING SWITCH RESISTOR POWER RELAY MAIN RELAY F FA MAGNETRON NO COM NO NO 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 F...

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