Samsung CE2733R Service Manual Download Page 23

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9. Schematic Diagrams

9-1 Schematic Diagrams

9-1

CONDITION OF OVEN

DOOR IS OPENED

BRN : BROWN
WHT : WHITE
RED : RED
BLK : BLACK
Y/G : YELLOW GREEN

BLU : BLUE
ORG : ORANGE
YEL : YELLOW

COOK OFF

WIRING COLOR

1.INPUT : 230V
2.DOOR : OPEN
3.LAMP : ON
4. : P.C.B PATTERN
5. : P.C.B IN/OUT POINT

MAGNETRON

RED

SYMBOL COLOR
BRN BROWN
BLK

BLACK

RED

BLU

BLUE

WHT

BLK

HIGH VOLTAGE
TRANSFORMER

HIGH VOLTAGE CAPACITOR

HIGH VOLTAGE
DIODE

TO CHASSIS

H.V.FUSE

Samsung Electronics

Summary of Contents for CE2733R

Page 1: ...CEManual 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 PCB Diagrams 9 Schematic Diagrams SRSC ...

Page 2: ...ce test 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...

Page 3: ...nicians should remove their watches while repairing an MWO 11 To avoid any possible radiation hazard replace parts in accordance with the wiring diagram Also use only the exact replacements for the following parts 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 door sensi...

Page 4: ...h voltage capacitor to the oven chassis Use a screwdriver 3 High voltage is maintained within specified limits by close tolerance safety related components and adjustments If the high voltage exceeds the specified limits check each of the special components 1 2 Pretaution Samsung Electronics 1 2 Special Servicing Precautions Continued 1 3 Special High Voltage Precautions PRECAUTION Never touch any...

Page 5: ...ECONDS POWER SOURCE 230V 50HZ AC POWER CONSUMPTION MICROWAVE 1 400W GRILL 1 100W OUTPUT POWER FROM100 TO850W 6 LEVEL POWER IEC 705 TEST PROCEDURE OPERATING FREQUENCY 2 450MHz MAGNETRON OM75PH 31 COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 489 W x 275 H x 368 D NET WEIGHT 15 5 Kg SHIPPING WEIGHT 17 Kg ...

Page 6: ...G START BUTTON INSTANTREHEAT COOK SELECTION 1 2 3 h 10 min min 1 min 10 s Kg g Auto 1 2 3 4 30 s AUTO DEFROST SELECTION 3 Operating Instructions 3 1 Control Panel 3 2 Features External Views VENTILATION HOLES GRILL LIGHT DISPLAY COUPLER DOOR DOOR LATCHES OPEN DOOR PUSH BUTTON METAL RACK SAFETY INTERLOCK HOLES ROLLER RING CONTROL PANEL TURNTABLE 489mm 306mm 275mm 193mm 368mm ...

Page 7: ...enna 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 Remove the mounting bolts 4 Reconnect the leads correctly and firmly 4 2 Replacement of High Voltage Transformer PRECAUTION Servi...

Page 8: ... 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 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 Upper Hinge Lower Hinge Scre...

Page 9: ...the above three switches operate properly check if any other part such as the control circuit board blower motor or high voltage transformer is defective 4 4 Replacement of Fuse 4 5 Replacement of Drive Motor Disassembly and Reassembly Screw Drive Motor Cover Base Plate Thermo Switch Drive Motor 4 3 4 Reassembly Test After replacement of the defective component parts of the door reassemble it and ...

Page 10: ...cting 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 Therefore applying hot air such as using o...

Page 11: ...ament terminal 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...

Page 12: ... oven assembly 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 swi...

Page 13: ...r glass vessel with water 2 Stir water in glass vessel with thermometer and record glass vessel s temperature T1 10 1 C 3 After moving the water into another glass vessel place it in the center of the cooking tray Set the oven to high power and operate for 48seconds exactly 1 5 seconds included as a holding time of magnetron oscillation 4 When heating is finished stir the water again with the ther...

Page 14: ...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 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: ...d 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 Check the wire of turntable motor 2 Defective turntable motor Replace turntable motor Oven stops operation during cooking 1 Open or loose wiring of primary Adjust d...

Page 17: ... List 7 1 Exploded Views 7 1 M1 M4 M5 M27 M25 M36 C1 C2 C3 C4 C5 C6 C7 M30 M31 M33 M29 M32 M28 M3 M2 M18 M26 M17 M6 M7 M9 M8 M20 M21 M22 M23 B1 B2 B4 B3 M11 M12 M14 M13 M37 M38 M39 M40 M15 M34 M19 M35 M10 D6 D1 D2 D3 D5 D4 D7 M24 M41 M42 M16 M43 D8 ...

Page 18: ...60 250V 7 5A H 1 MG TCO M21 OM75PH 31 ESS ASSY MAGNETRON OM75PH 31 ESS 1 M22 DE71 60457A COVER AIR PP T1 7 W115 5 L150 WHT 3RD W0 1 M23 DE93 20101A ASSY BODY LATCH 3RD 0 7 P BUTTON PP 1 M24 DE66 90113A LEVER DOOR PP TB53 GH10 T2 5 W31X100 5 12G NTR 3RD W 1 M25 DE71 60462A COVER CEILING MICA SHEET T0 3 W109 2 L114 2 1 M26 DE47 20010A THERMOSTAT PW 2N 120 60 187Y 250V7 5A 120 1 CAV TCO M27 DE31 1015...

Page 19: ...GRILL 1 7 4 Control Parts List Ref No Parts No Description Specification Q ty Remarks C 1 DE66 20281A BUTTON PUSH ABS 15g T2x37x86 WHT 3RD W B D 1 C 2 DE61 70076A SPRING BUTTON HSWR PI0 6 1 C 3 DE34 00018C SWITCH MEMBRANE PET FILM CE2733R BWT WHT 1 C 4 DE72 70210A CONTROL PANEL ABS WHT 100g MW779BW 3RD 0 7 1 C 5 DE67 40174A WINDOW DISPLAY SAN T2 W39 387 L93 CLEAR 5g 3R 1 C 6 RC W3LCD3 01 ASSY PCB ...

Page 20: ... TOOTHED 4 OUT PANEL DE60 10098A SCREW ASSY TAP TITE PH TC M4X8 SWRCH18A ZPC2 GLD W 1 CVT 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 10122A SCREW TAP TH TAP TH 2 4X8 FE FN 1 CV CEILING DE60 10122A SCREW TAP TH TAP TH 2 4X8 FE FN 1 P OUTER DE60 10195A SCREW STAR POLE TH 2 4 12 SWCH18A ZNC...

Page 21: ...8 P C B Diagrams 8 1 P C B Diagrams Samsung Electronics 8 1 ...

Page 22: ...ON 10KOHM 5 1 8W AA TP 1 8X3 2MM 4 R08 R10 R14 R28 P19 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 7 R03 R07 R31 R32 R33 P20 2001 000435 R CARBON 1MOHM 5 1 8W AA TP 1 8X3 2MM 1 R25 P21 2001 000515 R CARBON 220OHM 5 1 8W AA TP 1 8X3 2MM 1 R15 P22 2001 000577 R CARBON 2KOHM 5 1 8W AA TP 1 8X3 2MM 1 R05 P23 2001 000613 R CARBON 3 9KOHM 5 1 8W AA TP 1 8X3 2MM 1 R11 P24 2001 000780 R CARBON 470OH...

Page 23: ...OW GREEN BLU BLUE ORG ORANGE YEL YELLOW COOK OFF WIRING COLOR 1 INPUT 230V 2 DOOR OPEN 3 LAMP ON 4 P C B PATTERN 5 P C B IN OUT POINT MAGNETRON FA F RED RED RED RED SYMBOL COLOR BRN BROWN BLK BLACK RED RED BLU BLUE WHT BLK HIGH VOLTAGE TRANSFORMER HIGH VOLTAGE CAPACITOR HIGH VOLTAGE DIODE TO CHASSIS H V FUSE Samsung Electronics ...

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