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9. Schematic Diagrams

9-1 Schematic Diagrams

CONDITION OF OVEN

BRN : BROWN

WHT : WHITE

RED : RED
BLK : BLACK

Y/G : YELLOW GREEN

BLU : BLUE

ORG : ORANGE

YEL : YELLOW

PNK : PINK

6. COOK OFF

WIRING COLOR

1.INPUT : 230V

2.DOOR : OPEN

3.LAMP : ON

: P.C.B PATTERN

: P.C.B IN/OUT POINT

DOOR SENSING S/W

ORG

RED

BLU

BLK

HIGH VOLTAGE
TRANSFORMER

H.V.FUSE

HIGH VOLTAGE CAPACITOR

HIGH VOLTAGE

DIODE

TO CHASSIS

MAGNETRON

SYMBOL

ORG

RED

BRN

RED

BLK

COLOR

ORANG

BROWN

RED

BLACK

( This Document can not be used without Samsung’s authorization )

Содержание CE287ASTR

Страница 1: ...E 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 10 Reference CE287ASTR SER ...

Страница 2: ...tage Transformer 11 5 3 Magnetron 11 5 5 High Voltage Diode 12 5 6 Main Relay and Power Control Relay 12 5 7 Adjustment of Primary Switch Door Sensing Switch and Monitor Switch 12 5 8 Output Power of Magnetron 13 5 9 Microwave Heat Distribution Heat Evenness 13 5 10 Procedure for Measurement of Microwave Energy Leakage 14 5 11 Check for Microwave Leakage 14 5 12 Note on Measurement 14 5 13 Leakage...

Страница 3: ...ction 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 released to the...

Страница 4: ...es 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 Pri mary door sensing switch and power relay as wel...

Страница 5: ...he high voltage capacitor remains charged about 30 seconds after disconnection Short the nega tive terminal of the high voltage capacitor to 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 compo nents H V Diode Short H V Ca...

Страница 6: ...NSIONS OVEN DIMENSIONS SHIPPING DIMENSIONS SHIPPING WEIGHT APPROX 99 MINUTES 230V 50Hz AC MICROWAVE 1 300W GRILL 1 100W COMBI 2 400W FROM 100 TO 850W IEC 705 TEST PROCEDURE 2 450MHz OM75P 31 COOLING FAN MOTOR 489 W x 275 H x 406 5 D 330 W x 211 H x 329 D 557 W x 329 H x 451 D NET 15 0kg GROSS 16 5kg 2 1 Table of Speciﬁcations ...

Страница 7: ...AUTO REHEAT SELECTION 3 AUTO POWER DEFROST BUTTON 4 GRILL MODE SELECTION 5 COMBI MODE SELECTION 6 STOP CANCEL BUTTON 7 CLOCK SETTING 8 CAFETERIA SELECTION 9 MICROWAVE POWER LEVEL MODE SELECTION 10 AUTO CRUSTY COOK SELECTION 11 START BUTTON DIAL KNOB cook time weight and serving size ...

Страница 8: ... 5 DISPLAY LIGHT GRILL DOOR HANDLE VENTILATION HOLES CONTROL PANEL SAFETY INTERLOCK HOLES ROLLER RING COUPLER TURNTABLE DOOR DOOR LATCHES 329mm 406 5mm 330mm 489mm 275mm 3 2 Features External Views ...

Страница 9: ...er ring supports the turntable 3 Turntable to be placed on the roller ring with the centre ﬁtting to the coupler Purpose The turntable serves as the main cooking surface it can be easily removed for cleaning 4 Metal rack to be placed on the turntable Purpose The metal rack can be used in grill and combination cooking 5 Crusty plate Purpose The crusty plate when using auto crusty cook function or m...

Страница 10: ...d NOTE 2 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 PRECAUTION Servicemen should remove their watches when ever working close to or replacing the magnetron PRECAUTION T...

Страница 11: ...fragile Then remove the door assembly 4 3 2 Removal of Door E 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 3 Removal of Key Door Spring Remove pin hinge from Door E Detach spring from Door E and key door Door A Door C Door E ...

Страница 12: ... tip coupler 6 Screw the motor to bottom of oven cavity 7 Connect leads to the drive motor 8 Screw the drive motor cover to the base plate with a screw driver NOTE Bring the spare screw from service center COVER FIXING SCREW MACHINE SCREW 6006 001170 1 When mounting the door to the oven be sure to adjust the door parallel to the bottom line of the oven face plate by moving the upper hinge and lowe...

Страница 13: ...circuit 2 Disconnect the connectors from the control circuit board 3 Remove screws securing the control box assembly 4 Remove the screw securing the ground tail of the keyboard 4 6 2 Removal of Ass y P C B Assembly 1 Remove screws securing the control circuit board 2 Lift up the control circuit board from the Ass y con trol box CONTROL BOX SCREWS SCREWS ASSY PCB ...

Страница 14: ... Continuity checks can indicate only an open ﬁla ment or a shorted magnetron To diagnose an open ﬁlament or shorted magnetron 2 Isolate the magnetron from the circuit by discon necting its leads 3 A continuity check across the magnetron ﬁlament terminals should indicate one ohm or less 4 A continuity check between each ﬁlament terminal and magnetron case should read open 1 The low voltage transfor...

Страница 15: ...e oven assem bly 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 continu ity of the monitor circuit and all latch ...

Страница 16: ... Normal temperature rise for this model is 9 C to 11 C at HIGH NOTE 1 Variations or errors in the test procedure will cause a variance in the temperature rise Additional power test should be made if temperature rise is marginal NOTE 2 Output power in watts is computed by multiplying the temperature rise step 5 by a factor of 91 times the of centigrade temperature 5 8 Output Power of Magnetron The ...

Страница 17: ...or seam is taken near a corner of the door keep the probe perpendicular to the areas making sure that the probe end at the base of the cone does not get closer than 5cm to any metal If it gets closer than 5cm erroneous readings may result 5 Measured leakage must be less than 4mW cm 2 after repair or adjustment Maximum allowable leakage is 5mW cm2 4mW cm2 is used to allow for measurement and meter ...

Страница 18: ...ain Timer starts countdown but no microwave oscillation No heat while oven lamp and fan motor turn on 1 Off alignment of latch switches 2 Open or loose connection of high voltage circuit especially magnetron ﬁlament circuit NOTE Large contact resistance will bring lower magnetron ﬁlament voltage and cause magnetron to lower output and or intermittent oscillation 3 Defective high voltage components...

Страница 19: ... 1 Loose fan and fan motor 2 Loose screws on H V Transformer 3 Shorted H V Diode Tighten screws of fan motor Tighten screws of H V Transformer Replace H V Diode Turntable motor does not rotate 1 Open or loose wiring of turntable motor 2 Defective turntable motor Replace turntable motor Oven stops operation dur ing cooking 1 Open or loose wiring of primary inter lock switch 2 Operation of thermal c...

Страница 20: ...041 C001 C089 T001 T017 M034 M001 P186 W002 D049 D007 D006 D005 D019 D011 D004 D002 D068 D003 D015 M038 M047 M048 M045 T007 M039 M040 M041 M042 B006 B001 B010 B011 B002 B018 B024 M017 M019 M007 M008 M012 P187 H008 M015 M058 W006 M006 M113 M003 M005 M031 M049 M051 M030 H013 M035 M037 M036 T030 T033 M023 M020 H018 D046 ...

Страница 21: ...1 SA 1 3 M047 DE61 40066A FOOT PP BLK 2 SA 1 3 M048 DE80 00023A BASE PLATE MW850WA SGCC1 T0 6 NC2000 1 SA 1 1 B018 DE96 00120B ASSY BODY LATCH M1717N NC2000 HANDLE 1 SA 1 2 B002 3405 001032 SWITCH MICRO 125 250VAC 16A 200GF SPDT 1 SA MONITOR SW 1 2 B001 3405 001034 SWITCH MICRO 125 250VAC 16A 200GF SPST N 2 SA PRI SW DOOR SW 1 2 B024 DE96 00120R ASSY BODY LATCH SUB M1717N NC2000 HANDLE 1 SA 1 3 B0...

Страница 22: ...7 NEW PP BLK T1 5 2 1 SA 1 2 D046 DE64 00284A DOOR CAP NC2000 0 7 NEW PP BLK T1 5 1 SNA 1 1 C082 DE94 01103D ASSY CONTROL BOX 230V49HZ CE287ASTR BWT 1 SA 1 2 C089 DE39 40673D WIRE HARNESS H M187 CE287AST GROUND 1 SA 1 2 C011 DE64 01152A BUTTON SELECT A M187ST CE287ST ABS HG07 1 SA 1 2 C012 DE64 01153A BUTTON SELECT B M187ST CE287ST ABS HG07 1 SA 1 2 C013 DE64 01154A BUTTON SELECT C M187ST CE287ST ...

Страница 23: ...TAPPING TH WT TC M4 L10 ZPC YEL SWRCH18A 1 SNA P OUTER 1 1 6006 001170 SCREW TAPPING TH WT TC M4 L10 ZPC YEL SWRCH18A 1 SNA PCB GND 1 1 6006 001171 SCREW MACHINE WS PH M4 L8 NI PLT 2 SNA BKT HEATER 1 1 6006 001174 SCREW TAPPING WE TH M4 L12 ZPC YEL 2 SNA B LATCH 1 1 6006 001174 SCREW TAPPING WE TH M4 L12 ZPC YEL 2 SNA B PLATE 1 1 6006 001174 SCREW TAPPING WE TH M4 L12 ZPC YEL 1 SNA C BLOWER 1 1 60...

Страница 24: ...M4148 OJ01 100nF C15 11 d 10 e 9 f 8 g 7 uc_lc 6 DGND OJ04 DSP1 1G 2 2G 3 3G 4 4G 5 14 5V DOV 1 a 13 b 12 c MM4148 D07 CSE 4246G 01 GS1G D03 DGND TR06 KRC246 DGND C07 100nF 13 14 2 3 4 5 6 7 8 9 DGND CN03 12516HS 14 M 1 10 11 12 R06 1K 24V 24V 5V D01 GS1G C21 100nF BD01 DF06S 5V C10 1nF DGND R26 20M 5V 47K R12 C04 47uF 100nF C08 FTR JRJC024W RY04 DGND 24V DGND 10K R05 GS1G D02 C20 10uF R21 2K 20pF...

Страница 25: ...21 1 4 2203 000444 C CER CHIP 1nF 10 50V X7R 2012 5 SNA C09 C13 1 4 2203 000555 C CER CHIP 0 02NF 5 50V C0G TP 2012 2 SNA C18 C19 1 4 2203 000889 C CER CHIP 4 7nF 10 50V X7R TP 2012 1 SNA C22 1 4 2401 000151 C AL 1000uF 20 25V GP TP 10x20 5 1 SNA C02 1 4 2401 000244 C AL 100uF 20 10V GP TP 6 3x7 5 1 SNA C03 1 4 2401 001428 C AL 470uF 20 50V GP TP 10x20 5 1 SNA C01 1 4 2401 003107 C AL 47uF 20 16V ...

Страница 26: ...K 6 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 DOOR SENSING S W ORG ORG RED RED BLU BLK FA F HIGH VOLTAGE TRANSFORMER H V FUSE HIGH VOLTAGE CAPACITOR HIGH VOLTAGE DIODE TO CHASSIS MAGNETRON SYMBOL ORG RED RED BRN RED BLK COLOR ORANG BROWN RED BLACK This Document can not be used without Samsung s authorization ...

Страница 27: ...ON BUILT IN B RB USA RV BUILT IN USA Junior SJ SJ USA Junior MWO USA OTR SM SOLO H SMH USA OTR SOLO CONVECTION V SMV USA OTR CONVECTION EUROPE Epoxy Cavity M SOLO 1 M1 EUROPE SOLO EPOXY CAVITY GRILL 2 M2 EUROPE GRILL EPOXY CAVITY EUROPE Ceramic Enamel CE SOLO 1 CE1 EUROPE SOLO CERAMIC ENAMEL GRILL 2 CE2 EUROPE GRILL CERAMIC ENAMEL EUROPE Quartz GRILL G2 G2 EUROPE Quartz GRILL EUROPE Power Grill PG...

Страница 28: ... slowly Close the door completely Press the Cancel button Press the Start button Contact the nearest Samsung after sales service center Ground Ground problem may happen when the oven is placed in a humid area and the over is not grounded Ground is not provided by an extended electric outlet If the oven is placed in a humid area buy an electric wire in a store selling electrical products Electric w...

Страница 29: ...uch as herbal remedies are not removed Error Errors are classiﬁed into the case which is out of order and the case which is not out of order Clean the inside of the oven Remove strange smell through the Deodorant button If the strange smell still remains place a piece of lemon on the turntable and operate the oven for 5 minutes by pressing the Deodorant button However the smells produced from the ...

Страница 30: ...al is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd April 2005 Printed in Korea Code No DE68 03555A ...

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