Samsung CE305CF Service Manual Download Page 1

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MICROWAVE OVEN

CE305CF

SERVICE

Manual

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

HAD ELECTR

Summary of Contents for CE305CF

Page 1: ...al 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 HAD ELECTR ...

Page 2: ...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 3: ...Short the negative terminal of the high 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 ...

Page 4: ...20 230V 50HZ AC POWER CONSUMPTION MAXIMUM POWER 2950W MICROWAVE 1500W GRILL HEATING ELEMENT 1400W CONVECTION HEATING ELEMENT 1450W OUTPUT POWER 90W 900W 10 LEVELS IEC 705 OPERATING FREQUENCY 2 450MHz MAGNETRON OM75P 31 COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 547 W x 339 H x 487 D NET WEIGHT 25 Kg SHIPPING WEIGHT 29 Kg ...

Page 5: ...LEVEL SELECTION GRILL MODE SELECTION COMBINED MODE SELECTION MICROWAVE GRILL CRUSTY COOK SELECTION AUTO REHEAT FEATURE SELECTION AUTO COOK FEATURE SELECTION COOKING TIME ADJUSTMENT BUTTONS MEMORY COOK FEATURE SELECTION TIME SETTING WEIGHT SELECTION AND SERVING SELECTION START BUTTON CONVECTION MODE TEMPERATURE SELECTION COMBINED MODE SELECTION MICROWAVE CONVECTION CLOCK SETTING INSTANT COOK SELECT...

Page 6: ... screws from the back panel 8 Remove the assy noise filter 9 Take out the fan motor 10 Remove the oven lamp by pulling out from hole of air cover carefully 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 ...

Page 7: ... 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 Removal of Do...

Page 8: ...tch and power relay 3 When 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 Screw Drive Motor Cover Base Plate Thermo Switch Drive Motor 4 3 5 Reassembly Test After replacement of the defective component parts of the door reassemble it and ...

Page 9: ...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 10: ...h filament 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 measureme...

Page 11: ... 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 3 Reconnect to Monitor switch and check the continuity of the monitor circuit and all latch switches again by follow...

Page 12: ...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 13: ...enting 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 checked for accuracy by it...

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: ...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 16: ...M1 M2 M3 M30 M31 M32 M33 M34 M35 M35 M37 M38 M39 M40 M72 M73 M41 M42 M43 M44 M45 M46 M50 M51 M51 M61 M63 M64 M65 66 M67 M68 M52 M53 M54 M55 M56 M57 M58 M60 M48 M49 M36 M69 M59 M4 M5 M7 M9 M8 M10 M11 M13 M14 M15 M17 M29 M47 M18 M19 M20 M21 M22 M23 M24 M25 M26 M27 M28 M62 M16 M12 M70 M71 ...

Page 17: ...ASS T9N 2 C PCB M19 DE31 10080A MOTOR FAN AMM92 002AUEE 230V0 20A MIN255 1 M20 DE39 40285A WIRE HARNESS A 230V50HZ RE 1300 1 M21 4713 001046 LAMP INCANDESCENT 240V 104mA 25W ORG 25x62mm 1 M22 DE65 20031A BUSHING DASB 16N 17 8X6 3 NYLON NTR SH 1 CA BAK M23 DE63 90065E CUSHION LAMP PUT FOAM T40 W10 L90 M6245 1 M24 DE01 00051A FILM LAMP T0 25 W105 L85 CLEAR RE 1300 1 M25 DE66 90013A LEVER DOOR POM F2...

Page 18: ...PLATING RE 552 1 M54 DE61 80037C HINGE UPPER SCP1 T3 0 W26 L76 ZP2C W MB245 1 M55 DE32 10013A SENSOR THERMISTOR PT 312 K2 1 M56 DE72 60035Q GUIDE AIR SECC T 0 6 W 240 L 242 5 RE 1 M57 DE39 40339A WIRE HARNESS C 230V50HZ RE 1300 1 M58 DE39 40409A WIRE HARNESS E 230V50HZ M9G45 CTW 1 M59 DE39 30063A WIRE LEAD G L80 PCB GROUND 1 M60 ASSY CONTROL BOX 1 M61 ASSY DOOR 1 M62 DE63 90062A CUSHION RUBBER DOO...

Page 19: ...TEMP GLASS T3 2XW278XL423 7 VI 1 D 3 DE92 50080E ASSY DOOR E MBG45 COATING SIL SELANT 1 D 4 DE64 40173A DOOR C PBT BLK 24G RE 1300 1 D 5 DE64 40087H DOOR KEY POM TC3005 BLK 13G W3 1 D 6 DE61 70030A SPRING KEY ES HSW3 PI0 7 D7 0 L40 BULING 1 D 7 DE60 60008A PIN HINGE PI4 L17 MSWR10 M301TBC 2 D 8 DE02 00082A TAPE DOUBLE FACE PET T0 4 W9 WHT SEIL SI 500HI 1 D 9 DE92 40094C ASSY DOOR CE104CF WHT VITAL...

Page 20: ...04 K 13G 1 C 3 DE72 70076B CONTROL PANEL PC RP WH 01 K 180G RE 1300 1 C 4 RC 1300 00 ASSY PCB PARTS RE 1300 AC230V50HZ 1 C 5 DE66 20053B BUTTON PUSH PC RP WH 01 K 32G RE 1300 1 C 6 DE61 70026A SPRING BUTTON CS SWP PI0 7 D17 L25 8 1 C 7 DE93 30482A ASSY CONTROL PANEL WHT 1 C 8 DE93 30575B ASSY CONTROL BOX CE305CF HAC CE104CF WHT 1 C2 C3 C4 C7 C5 C8 C6 C1 Exploded Views and Parts List Samsung Electr...

Page 21: ... D5 6 L11 2 RE 1300 ZPC3 1 A 4 DE62 90045A ADIABATIC CASING T5 W256 L250 RE 1300 1 A 5 DE61 50324A BRACKET CASING ALSTAR T0 6 W265 L265 RE 1300 1 A 6 DE31 90019A BLADE FAN SECC T0 6 1 A 7 DE60 40026A WASHER PLAIN ID5 5 OD12 T1 0 SBC1 1 A 8 DE31 10081A MOTOR CONVECTION AMM90 003AUEA 230V0 3A MIN2800 1 A 9 DE65 20012A CORD CLAMP DALC 2 1 SILICON 1 A10 DE92 90078A ASSY CASING RE 1300 230V EUROPE 1 A1...

Page 22: ... WAVE DE60 10082H SCREW A 2S 4X12 TOOTHED 9 BASE P DE60 10082H SCREW A 2S 4X12 TOOTHED 1 BKT U 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 2 CV BAK DE60 10082H SCREW A 2S 4X12 TOOTHED 3 CV ADI DE60 10082H SCREW A 2S 4X12 TOOTHED 2 GR TCO DE60 10082H SCREW A 2S 4X12 TOOTHED 2 GU AIR DE60 10082H SCREW A 2S 4X12 TOOTHED...

Page 23: ...8 P C B Diagrams 8 1 P C B Diagrams Samsung Electronics 8 1 ...

Page 24: ...R01 R02 R03 P22 2001 000065 R CARBON 10KOHM 5 1 4W AA TP 2 4X6 4MM 5 R06 R09 R11 R12 R17 P23 2001 000084 R CARBON 100KOHM 5 1 4W AA TP 2 4X6 4MM 1 R14 P24 2001 000432 R CARBON 1MOHM 5 1 4W AA TP 2 4X6 4MM 1 R07 P25 2001 000575 R CARBON 2KOHM 5 1 4W AA TP 2 4X6 4MM 1 R18 P26 2001 000611 R CARBON 3 9KOHM 5 1 4W AA TP 2 4X6 4MM 5 R05 R08 R13 R15 R16 P26 2001 000611 R CARBON 3 9KOHM 5 1 4W AA TP 2 4X6...

Page 25: ...RN BROWN WHT WHITE RED RED Y G YELLOW GREEN BLU BLUE ORG ORANGE YEL YELLOW COOK OFF WIRING COLOR A S S Y M A I N P C B F1 F2 F3 S W1 S W2 S W3 S W4 S W5 S W6 RY1 RY2 RY3 RY4 RY5 RY6 FM DM CM H H V T H V C H V D L V T L R MAIN FUSE H V FUSE MONITOR FUSE THERMAL CUTOUT CAVITY THERMAL CUTOUT M G T PRIMARY SWITCH DOOR SENSING SWITCH MONITOR SWITCH THERMAL CUTOUT HEATER HEATER RELAY MAIN RELAY POWER RE...

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