Samsung CE945G, Service Manual

Page 1: ...NTS 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 HACO GRILL CE945G lbs kg oz g 1min h 10min min 1min 1 2 3 10s Auto Auto ...

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: ...ce technicians 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 and...

Page 4: ...ages 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 the oven chassis Use a screwdriver...

Page 5: ...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 297 H x 382 D NET WEIGHT 20 Kg SHIPPING WEIGHT 23 Kg 2 2 Comparison Chart MODEL FEATURE MORE LESS O AUTO REHEAT O AUTO DEFROST O TIME COOK O POWER LEVEL O INSTANT COOK O MEMORY O BOOST O CHILD LOCK O CLOCK O GRILL O COMBI O CE945G C...

Page 6: ... kg oz g 1min h 10min min 1min 1 2 3 Auto Auto Crusty 10s CE945G lbs kg oz g 1min h 10min min 1min 1 2 3 10s Auto Auto CE945GF lbs kg oz g 1min h 10min min 1min Auto Auto Spit Crusty 10s 1 2 3 M 3 Operating Instructions 3 1 Control Panel Samsung Electronics 3 1 3 2 Features External Views Door VentilationHole Light SafetyInterlockHoles ControlPanel OpenDoorPushButton GuideRoller GlassPlate DoorLat...

Page 7: ...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 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 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 9: ...ing the drive motor be sure to remount it in the correct position with the coupler 8 Connect all the leads to the drive motor 9 Screw the drive motor cover to the base plate with a screw driver 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 5 Reassembly Test After replacement of the defective compon...

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: ...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 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 1ûC 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: ...easurement 1 After adjustment 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 ...

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: ...ws 7 1 M1 M27 M28 M41 M42 M21 M22 M25 C1 C2 C3 C4 C5 C6 C7 M39 M11 M13 M14 M15 M12 M19 M20 M3 M2 M17 M33 M29 M18 M48 M47 M4 M5 M7 M6 M31 M30 M23 M10 B1 B2 B4 B3 M45 M38 M46 M32 M43 M34 M35 M36 M37 M44 M16 M24 M26 D1 D7 D3 D2 D10 D9 D8 D5 D4 D6 M8 M9 M40 M51 M49 M52 M50 ...

Page 18: ...69mm 1 M25 DE93 30343A ASSY CONTROL BOX CE97GF45 1 M26 DE92 40167A ASSY DOOR BUTTON WHT CE945G IDEO 1 M27 DE61 30006A SUPPORTER HEATER ALUMINA 5G 2ND W P 1 M28 DE61 70060A SPRING PLATE SK 5 T0 5 1 M29 DE61 50490A BRACKET TCO SECC1 T0 6 34 58 1 M30 DE03 30035A MAGNETRON OM75PH 31 ESS 1 M31 DE47 20009A THERMOSTAT PW2N 520PB 160 60 250V 7 5A H 1 M32 DE47 20161A THERMOSTAT PW2N 120 110 187Z23 250V 7 5...

Page 19: ...P1 T2 3 26 77 ZPC3 WHT CHR 1 7 4 Control Parts List Ref No Parts No Description Specification Q ty Remarks C 1 DE66 20006A BUTTON PUSH RESIN ABS HR 0370U P WHT M945 1 C BOX C 2 DE61 70076A SPRING BUTTON HSWR PI0 6 1 C BOX C 3 DE34 10006A SWITCH MEMBRANE PET 89 9 185 2 CE945GF IDEO 1 C 4 DE72 70007A CONTROL PANEL RESIN ABS T2 5 WHT M945 1 C BOX C 5 DE67 40002A WINDOW DISPLAY RESIN ACRYLIC T2 3 M945...

Page 20: ... MGT DE60 10080A 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...

Page 21: ...ws 7 1 M1 M27 M28 M41 M42 M21 M22 M25 C1 C2 C3 C4 C5 C6 C7 M39 M11 M13 M14 M15 M12 M19 M20 M3 M2 M17 M33 M29 M18 M48 M47 M4 M5 M7 M6 M31 M30 M23 M10 B1 B2 B4 B3 M45 M38 M46 M32 M43 M34 M35 M36 M37 M44 M16 M24 M26 D1 D7 D3 D2 D10 D9 D8 D5 D4 D6 M8 M9 M40 M51 M49 M52 M50 ...

Page 22: ...69mm 1 M25 DE93 30343A ASSY CONTROL BOX CE97GF45 1 M26 DE92 40167A ASSY DOOR BUTTON WHT CE945G IDEO 1 M27 DE61 30006A SUPPORTER HEATER ALUMINA 5G 2ND W P 1 M28 DE61 70060A SPRING PLATE SK 5 T0 5 1 M29 DE61 50490A BRACKET TCO SECC1 T0 6 34 58 1 M30 DE03 30035A MAGNETRON OM75PH 31 ESS 1 M31 DE47 20009A THERMOSTAT PW2N 520PB 160 60 250V 7 5A H 1 M32 DE47 20161A THERMOSTAT PW2N 120 110 187Z23 250V 7 5...

Page 23: ...P1 T2 3 26 77 ZPC3 WHT CHR 1 7 4 Control Parts List Ref No Parts No Description Specification Q ty Remarks C 1 DE66 20006A BUTTON PUSH RESIN ABS HR 0370U P WHT M945 1 C BOX C 2 DE61 70076A SPRING BUTTON HSWR PI0 6 1 C BOX C 3 DE34 10006A SWITCH MEMBRANE PET 89 9 185 2 CE945GF IDEO 1 C 4 DE72 70007A CONTROL PANEL RESIN ABS T2 5 WHT M945 1 C BOX C 5 DE67 40002A WINDOW DISPLAY RESIN ACRYLIC T2 3 M945...

Page 24: ... MGT DE60 10080A 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...

Page 25: ...8 P C B Diagrams 8 1 P C B Diagrams Samsung Electronics 8 1 ...

Page 26: ...50V SL TP 1 9x3 5 1 C07 C08 P18 2202 000780 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V TP 3 5x1 1 C05 C06 C09 C10 C19 P19 2401 000244 C AL 100uF 20 10V GP TP 6 3x7 5 1 C03 P20 2401 000914 C AL 22uF 20 16V GP TP 5x11 5 1 C04 P21 2401 001415 C AL 470uF 20 35V GP TP 10x20 5 1 C01 P22 2401 001573 C AL 47uF 20 50V GP TP 6 3x11 2 5 1 C02 P23 2802 000143 RESONATOR CERAMIC 4 19MHz 0 5 TP 10 0x5 0x7 5mm 1 XTL...

Page 27: ... BLUE 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 C1 1ND C3 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 CE945G...