Samsung CE957GR Service Manual Download

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3-1

Samsung Electronics

Auto Defrost Butten

Power Level
Selection Button

Memory Button

Start Button

Grill Button

Combi Button

Clock Setting Button

More/Less Button

Auto Cook &
Reheat Button

Dial Knob(Time,
Weight and Auto Cook Code
Selection Botton)

Stop/Cancel Button

1min+

Auto D

efrost

Auto C

ook & Reheat

Stop / Cancel

Start

1-2-3

3. Operating Instructions

3-1 Control Panel

3-2 Features & External Views

Door

Ventilation Holes

Light

Safety Interlock Holes

Control Panel

Guide Roller

Grill Rack

Glass Plate

Door Latches

1min+

1-2-3

Auto Defrost

Auto

Reheat & Cook

Stop / Cancel

Start

517mm

369mm

218mm

216.4mm

433mm

1min+

1-2-3

Summary of Contents for CE957GR

Page 1: ...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 M 1min 1 2 3 ...

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: ...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 Fig 1 1 Discharging the Hi...

Page 4: ... SECONDS POWER SOURCE 230V 50HZ AC POWER CONSUMPTION MICROWAVE 1 500W GRILL 1 300W OUTPUT POWER FROM90 TO 900W 10 LEVEL POWER IEC 705 TEST PROCEDURE OPERATING FREQUENCY 2 450MHz MAGNETRON OM75PH 31 COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS 517 W x 298 H x433 D NET WEIGHT 20 Kg SHIPPING WEIGHT 23 Kg ...

Page 5: ...eight and Auto Cook Code Selection Botton Stop Cancel Button M 1min Auto Defrost Auto Cook Reheat Stop Cancel Start 1 2 3 3 Operating Instructions 3 1 Control Panel 3 2 Features External Views Door VentilationHoles Light SafetyInterlockHoles ControlPanel GuideRoller GrillRack GlassPlate DoorLatches M 1min 1 2 3 Auto Defrost Auto Reheat Cook Stop Cancel Start 517mm 369mm 218mm 216 4mm 433mm M 1min ...

Page 6: ...e 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 Doo...

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: ...static electricity from your body and avoid touching the Touch control clrcuitry 2 Disconnect the connectors from the control circuit board 3 Remove screws securing the control circuit bord 4 Lift up the control circuit board from right side and remove the hooks holding the contol circuit board to the box assembly SCREWS ...

Page 10: ...ent 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 t...

Page 11: ... 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 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: ...nt 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 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...

Page 14: ...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 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: ... 1 Exploded Views 7 1 M1 M27 M28 M41 M42 M21 M22 M25 M39 M40 M11 M13 M14 M15 M12 M19 M20 M3 M2 M17 M33 M29 M18 M4 M5 M7 M6 M31 M30 M23 M10 M38 M32 M43 M34 M35 M36 M37 M44 M16 M24 M26 M8 M9 B1 B2 B4 B3 B5 D3 D10 D9 D2 D7 D8 D4 D5 D6 D1 C4 C5 C6 C2 C7 C3 C1 ...

Page 17: ... M20 DE80 10001A BASE PLATE SGCC T0 8 345 565 1 M21 DE31 10154A MOTOR DRIVE M2HJ49ZR02 ST 16 50 60HZ 1 M22 DE71 60382A COVER CEILING MICASHEET T0 5 70 133 1 M23 DE71 60016A COVER AIR PP 2 WHT M945 M245 1 M24 4713 001031 LAMP INCANDESCENT 230V 173mA 40W ORG 25x69mm 1 M25 DE93 30416L ASSY CONTROL BOX CE957GR BWT 1 M26 DE92 40178D ASSY DOOR HANDLE WHT NO VITALITY 1 M27 DE61 30006A SUPPORTER HEATER AL...

Page 18: ...E945 1 7 3 Control Parts List Ref No Parts No Description Specification Q ty Remarks C 1 RC 957G 04 ASSY PCB PARTS MWO CE957GR 230V50HZ 1 C 2 DE72 70182P CONTROL PANEL ABS WHT 170G CE957GR BWT 1 C 3 DE67 40147A WINDOW DISPLAY ACRYL SMOG M757 CE757G 1 C 4 DE66 20183B BUTTON SELECT B ABS HR 0370D WHT M757 SDW SKW 1 C 5 DE66 20185A BUTTON SELECT A ABS WHT M757 CE757G 2 C 6 DE66 20184A BUTTON SELECT C...

Page 19: ...A SCREW WASHER M5 L12 2S 4 TNS HV DE60 10082H SCREW A 2S 4X12 TOOTHED 2 B PLTE DE60 10082H SCREW A 2S 4X12 TOOTHED 2 CN BOX DE60 10082H SCREW A 2S 4X12 TOOTHED 2 LATCH DE60 10082H SCREW A 2S 4X12 TOOTHED 5 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 10122A SCREW TAP TH TAP TH 2 4X8 FE FN...

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

Page 21: ...19 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 5 R11 R12 R23 R24 R25 P20 2001 000435 R CARBON 1MOHM 5 1 8W AA TP 1 8X3 2MM 1 R07 P21 2001 000613 R CARBON 3 9KOHM 5 1 8W AA TP 1 8X3 2MM 3 R16 R17 R18 P22 2001 000780 R CARBON 470OHM 5 1 8W AA TP 1 8X3 2MM 2 R01 R02 P23 2001 000786 R CARBON 47KOHM 5 1 8W AA TP 1 8X3 2MM 3 R19 R20 R21 P24 2001 000904 R CARBON 620OHM 5 1 8W AA TP 1 8X3 2MM 1 R22 ...

Page 22: ...LUE ORG ORANGE YEL YELLOW COOK OFF WIRING COLOR A S S Y M A I N P C B BLK POWER CORD 230V 50HZ 250V10A C 1 1 ND C 3 RESISTOR GRILL RELAY BLK GRILL TCO BLK BLK COM COM NC NO BLU BLU 230V40W LAMP MONITOR FUSE 250V1 6A YEL ORG ORG YEL YEL F MOTOR INRUSH RELAY RESISTOR POWER RELAY SECONDARY INTERLOCK WHT WHT WHT 0V 0V 21V 230V C2 CAVITY TCO BLK 230V H V TRANS H V DIODE H V FUSE 0 75A CE745G 0 8A CE945...

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