Samsung M1732 Service Manual Download

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Samsung Electronics

8-2

No.

Parts No.

Description / Specification

Q'ty

Remarks

P 1

0401-001025

DIODE-SWITCHING;1N4148M,50V,450mA,DO-34,TP

D03,D04,D05,D07,D08,D09

P 1

0401-001025

DIODE-SWITCHING;1N4148M,50V,450mA,DO-34,TP

D10,D11,D12,D13,D14,D15

P 2

0402-001103

DIODE-RECTIFIER;1T4,400V,1A,TS-1,TP

D01,D02,D06

P 3

0403-000355

DIODE-ZENER;UZ5.1BSB,5.1V,4.97-5.18V,500mW

ZD01

P 4

0501-000388

TR-SMALL SIGNAL;KSC815,NPN,400mW,TO-92,BK,120-

TR08

P 5

0504-001014

TR-DIGITAL;KSR1005,NPN,300MW,4.7K/10K,TO-92,TP

TR06,TR07,TR09,TR10

P 6

0504-001044

TR-DIGITAL;KRA226M,PNP,400MW,2.2K/10K,TO-92M,TP

TR01,TR02,TR03,TR04,TR05

P 7

1203-000460

IC-POSI.FIXED REG.;78L05,TO-92,3P,-,PLASTIC,4.8/5

IC02

P 8

2001-000027

R-CARBON;100OHM,5%,1/4W,AA,TP,2.4X6.4MM

R12,R13,R14,R15,R16,R17,R18

P 9

2001-000290

R-CARBON;10KOHM,5%,1/8W,AA,TP,1.8X3.2MM

R07,R08,R09,R19,R20,R21,R22

P10

2001-000429

R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM

R01,R02,R03,R04,R05

P11

2001-000780

R-CARBON;470OHM,5%,1/8W,AA,TP,1.8X3.2MM

R06

P12

2202-000173

C-CERAMIC,MLC-AXIAL;1nF,10%,50V,Y5P,TP,1.9x3.5

C14,C15,C16,C17

P13

2202-000807

C-CERAMIC,MLC-AXIAL;22nF,+80-20%,25V,Y5V,TP,3.5x19

C04,C06,C07,C10

P14

2401-000244

C-AL;100uF,20%,10V,GP,TP,6.3x7,5

C03

P15

2401-000914

C-AL;22uF,20%,16V,GP,TP,5x11,5

C05,C09

P16

2401-001212

C-AL;4.7uF,10%,50V,GP,TP,5x11,5

C08

P17

2401-002420

C-AL;470uF,20%,16V,GP,TP,10x12,5mm

C02

P 18

2401-002598

C-AL;220uF,20%,50V,GP,TP,10x16,5

C01

P19

2802-000161

RESONATOR-CERAMIC;4MHz,0.5%,TP,10.0x5.0x7.5mm

XTL1

P20

3711-000940

CONNECTOR-HEADER;BOX,4P,1R,2.5mm,STRAIGHT,SN

CON02

P21

3711-004142

CONNECTOR-HEADER;BOX,3P/5P,1R,5mm/2.5mm,STRAIGH

CON04

P22

3711-004143

CONNECTOR-HEADER;BOX,2P/3P,1R,5mm/2.5mm,STRAIGH

CON03

P23

DE13-20009A

IC;KA7533,DIP

IC03

P24

DE39-60001A

WIRE-SO COPPER;PI0.6,SN,T,52MM,TAPING_WIRE

J01,J02,J03,J04,J05,J06,J07

P24

DE39-60001A

WIRE-SO COPPER;PI0.6,SN,T,52MM,TAPING_WIRE

J08,J09,J10,J12,J13,J14

P25

3501-001050

RELAY-MINIATURE;24VDC,200mW,5A,1FormA,10mS,5mS

RY01,RY02

P26

3501-001062

RELAY-POWER;24VDC,523.2mW,16A,1FormA,15mS

RY03

P27

3601-001126

FUSE-FERRULE;250V,1.6A,QUICK-ACTING,CERAMIC

FUSE1

P28

3708-000525

CONNECTOR-FPC/FC/PIC;10P,2.54mm,STRAIGHT,SN

CON01

P29

DE07-20126A

LED DISPLAY;LTC-4638G,GRN,12,30,48.2X22.38

DSP1

P30

DE09-00008A

IC-MCU;KS57C0504-61D,M1733,4BIT

IC01

P31

DE26-20146A

TRANS-L.V;SLV-745EN,230V,50HZ,AC17/7V

LVT1

P32

DE30-20016A

BUZZER;CBE2220BA,STICK

BUZ1

P33

DE47-40024A

HOLDER-FUSE;FH-51H,7.5A

FUSE1

8-2 P.C.B Parts List

P.C.B Diagrams

Summary of Contents for M1732

Page 1: ...Y SERVICEManual MICROWAVE OVEN CONTENTS M1732 M1733 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 ...

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: ...UT POWER FROM 100 TO 800W IEC 705 TEST PROCEDURE OPERATING FREQUENCY 2 450MHz MAGNETRON OM75SH 31 COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 489 W x 275 H x 351 D 2 2 Comparison Chart MODEL FEATURE HOLD TIMER O M1733 MORE LESS AUTO COOK DISH AUTO DEFROST O TIME COOK O POWER LEVEL O INSTANT COOK O MEMORY BOOST O CHILD LOCK CLOCK O GRILL COMBI M1732 M1733 ...

Page 5: ...ng and Serving Selection 6 Microwave Mode Selection 7 Start Button 8 Stop Cancel Button M1732 M1733 1 2 6 5 4 3 7 8 3 Operating Instructions 3 1 Control Panel 3 2 Features External Views LIGHT VENTILATION HOLES DOOR DOOR LATCHES ROLLER RING OPEN DOOR PUSH BUTTON SAFETY INTERLOCK HOLES COUPLER TURNTABLE 489mm 357mm 275mm 200mm 351mm ...

Page 6: ...ve nuts from the back panel 7 Take out the fan motor 8 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 hi...

Page 7: ... 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 Removal of Door E Door C Door A Door E ...

Page 8: ... 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 component parts of the door reassemble it ...

Page 9: ...e 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 Plastic Fastener 1 Window display should not be disassembled as its mounting tabs will be broken If repair work is difficult replace with Ass y control panel 2 The membrane key board is attached to the escutcheon base with doublefaced adhesive tape Therefor...

Page 10: ...nal 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 high v...

Page 11: ...just 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 fo...

Page 12: ...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 13: ...r 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 check...

Page 14: ...sing switch 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 Sequ...

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: ... 7 1 Exploded Views 7 1 M1 M4 M3 M5 M9 M8 M11 M20 M21 M23 M25 M26 M18 M17 M16 M27 M28 M29 M32 M30 M6 M7 M10 M2 M33 M12 M13 M15 M12 M14 M22 M24 M19 M 31 D6 C1 C2 C3 C4 C5 C6 C7 D1 D2 D3 D5 D4 C1 C2 C3 C4 C5 C6 C7 D1 D2 D3 D5 D6 D4 M1732 M1732 M1733 M1733 ...

Page 17: ...LER MW4370W D16 5 XAREX 1 M18 DE67 60075A COUPLER PPS 7G BRN M97G45 1 M19 DE73 90027A FERRITE CORE NI ZN T13 8 W21 0 L28 0 BNF 14 1 M20 2501 001011 C OIL 910nF 2100V BK 54x35x75mm 20mm 1 M21 DE61 50106A BRACKET HVC SECC T0 8 W31 L125 8 1 M22 DE59 40001A DIODE H V HVR 1X 32B 12 1 M23 DE91 70061B ASSY H V FUSE THV060T 0750 H 5KV0 75A RED 1 M24 DE26 10158A TRANS H V SHV 173EC 230V 2220 3 40V 50Hz 1 M...

Page 18: ...S HSWR10 PI0 6 D6 0 L22 3 BLU 1 Ref No Parts No Description Specification Q ty Remarks D 1 DE64 40316B DOOR A TDS M1732 12 1 WHITE D 1 DE64 40316D DOOR A ABS 200G D GRY M1732 D AMF 3RD S1 1 GRAY D 2 DE67 20196A SCREEN DOOR S1 3RD 0 7 1 D 3 DE94 00124B ASSY DOOR SUB MW4593G BLK 3RD 0 7 1 D 4 DE64 40008B DOOR C PP T1 5 BLK CE745G 1 D 5 DE64 40006A DOOR KEY POM TC3005 T2 0 12GR BLK CE94 1 D 6 DE61 70...

Page 19: ... 2 B LATCH DE60 10082H SCREW A 2S 4X12 TOOTHED 4 B PLATE DE60 10082H SCREW A 2S 4X12 TOOTHED 1 C BLOWER DE60 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 ...

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

Page 21: ... C10 P14 2401 000244 C AL 100uF 20 10V GP TP 6 3x7 5 1 C03 P15 2401 000914 C AL 22uF 20 16V GP TP 5x11 5 2 C05 C09 P16 2401 001212 C AL 4 7uF 10 50V GP TP 5x11 5 1 C08 P17 2401 002420 C AL 470uF 20 16V GP TP 10x12 5mm 1 C02 P 18 2401 002598 C AL 220uF 20 50V GP TP 10x16 5 1 C01 P19 2802 000161 RESONATOR CERAMIC 4MHz 0 5 TP 10 0x5 0x7 5mm 1 XTL1 P20 3711 000940 CONNECTOR HEADER BOX 4P 1R 2 5mm STRA...

Page 22: ...cs 9 Schematic Diagrams 9 1 Schematic Diagrams RED RED BRN BLU FA F HIGH VOLTAGE TRANSFORMER H V FUSE HIGH VOLTAGE CAPACITOR HIGH VOLTAGE DIODE TO CHASSIS MAGNETRON SYMBOL COLOR ORG ORANGE BRN BROWN RED RED BLU BLUE RED RED ...

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