Samsung CE945G Service Manual
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Samsung CE945G Service Manual

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SERVICE
MICROWAVE OVEN
HACO
MICROWAVE OVEN
CE945G / CE945GT / CE945GF
Auto
Auto
lbs.
oz.
k g
g
1-2-3
min
h
10min
1min
10s.
GRILL
1min+
CE945G
Manual
CONTENTS
8. PCB Diagrams

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Summary of Contents for Samsung CE945G

  • Page 1: Table Of Contents

    MICROWAVE OVEN CE945G / CE945GT / CE945GF SERVICE Manual CONTENTS MICROWAVE OVEN 1. Precaution 2. Specifications 3. Operating Instructions 4. Disassembly and Reassembly 5. Alignment and Adjustments Auto Auto lbs. 1-2-3 6. Troubleshooting 10min 1min 10s. GRILL 1min+ CE945G 7. Exploded Views and Parts List 8.
  • Page 2 (5) evidence of dropping or abuse. (e) A Microwave leakage check to verify compliance with the Federal performance standard should be performed on each oven prior to release to the owner. Samsung Electronics...

  • Page 3: Precaution

    CENTRAL SERVICE CENTER 16. Always connect a test instrument's ground 10. Service technicians should remove their lead to the instrument chassis ground before watches while repairing an MWO. connecting the positive lead; always remove the instrument's ground lead last. Samsung Electronics...
  • Page 4 (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. Fig. 1-1. Discharging the High Voltage Capacitor Samsung Electronics...

  • Page 5: Specifications

    2. Specifications 2-1 Table of Specifications MODEL CE945G/CE945GT/CE945GF ITEM TIMER 99 MINUTES 90 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...

  • Page 6: Operating Instructions

    10s. 10min 1min 10s. 10min 1min 10s. 14. Timer Setting Button 15. Start/Boost Button 1min+ 1min+ 1min+ CE945GF CE945G CE945GT 3-2 Features & External Views Ventilation Hole Light Door Safety Interlock Holes Auto Auto Control Panel lbs. Door Latches 1-2-3...

  • Page 7: Disassembly And Reassembly

    4-2 Replacement of High Voltage Transformer 1. Discharge the high voltage capacitor. 2. Disconnect all the leads. 3. Remove the mounting bolts. 4. Reconnect the leads correctly and firmly. Bolts H. V. Trans Samsung Electronics...

  • Page 8: Replacement Of Door Assembly

    1. Insertion depth of the thin metal plate should be 0.5mm or less. 4-3-4 Removal of Key Door & Spring Door "E" Remove pin hinge from Door "E" Detach spring from Door "E" and key door. Key Door Spring Samsung Electronics...

  • Page 9: Replacement Of Fuse/Drive Motor

    Switch remount it in the correct position with the coupler. 8. Connect all the leads to the drive motor. Drive Motor Cover Base Plate 9. Screw the drive motor cover to the base plate with a screw driver. Samsung Electronics...
  • Page 10 3. When installing new membrane key board, make sure that the surface of escutcheon base is Membrane cleaned sufficiently so that any problems Panel (shorted contacts or uneven surface) can be avoided. Samsung Electronics...

  • Page 11: Alignment And Adjustments

    2. Isolate the magnetron from the circuit by disconnecting 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. Cooling Fins Samsung Electronics...

  • Page 12: High Voltage Capacitor

    Door Open Door Closed procedures. ∞ Primary switch 5. Confirm that the gap between the switch ∞ Monitor switch (COM-NC) housing and the switch actuator is no more than ∞ Door Sensing S/W 0.5mm when door is closed. Samsung Electronics...
  • Page 13 5. After heating for 2 minutes, measure the water temperature in each beaker. 6. Microwave heat distribution rate can be calculated as follows: Minimum Beaker Temperature Rise Heat Distribution = X 100(%) Maximum Temperature Rise The result should exceed 65%. Cooking Tray Samsung Electronics...

  • Page 14: Procedure For Measurement Of Microwave Energy Leakage

    10s. perpendicular to the cabinet door. Place the GRILL 1min+ CE945G spacer cone of the probe on the door and/or cabinet door seam and move along the seam, the door viewing window and the exhaust openings moving the probe in a clockwise direction at a rate of 1 inch/sec. If the leakage testing of the cabinet door 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 2 inches to any metal.

  • Page 15: Troubleshooting

    H.V.Transformer component test procedure and replace if it is H.V.Capacitor defective. H.V.Diode,H.V.Fuse Magnetron 4. Open or loose wiring of power relay 5. Defective primary latch switch 6. Defective power relay or Ass'y PCB Replace PCB main. Samsung Electronics...
  • Page 16 Use plastic wrap or cover with a lid. Stir once or twice while cooking foods such as soup, cocoa, or milk. Noise from the turntable motor Noise may result from the motor. Replace turntable motor. when it starts to operate. Samsung Electronics...

  • Page 17: Exploded Views And Parts List

    7. Exploded Views and Parts List 7-1 Exploded Views Samsung Electronics...

  • Page 18: Main Parts List

    MOTOR-FAN;SMF-945EA,230/50,2400,M97G45 DE91-40095A ASSY NOISE FILTER;SN-E10D(N),250V,10A,2ND-WD-TYP DE61-40017A FOOT;PP(A353),BLK,MW5630T DE80-10001A BASE-PLATE;SGCC,T0.8,345,565 DE31-10154A MOTOR-DRIVE;M2HJ49ZR02,ST-16,21V DE71-60382A COVER-CEILING;MICASHEET,T0.5,70,133 DE71-60016A COVER-AIR;PP,2,WHT,M945/M245 4713-001031 LAMP-INCANDESCENT;230V,173mA,40W,ORG,-,-,25x69mm DE93-30343A ASSY CONTROL-BOX;CE97GF45 DE92-40167A ASSY DOOR;BUTTON,WHT,CE945G,IDEO DE61-30006A SUPPORTER-HEATER;ALUMINA,5G,2ND-W/P DE61-70060A SPRING-PLATE;SK-5,T0.5 DE61-50490A BRACKET-TCO;SECC1,T0.6,34,58 DE03-30035A MAGNETRON;OM75PH((31)ESS DE47-20009A THERMOSTAT;PW2N-520PB,160/60,250V/7.5A,H, DE47-20161A THERMOSTAT;PW2N(120/110)187Z23.,250V/7.5A DE47-20008A THERMOSTAT;PW2N-52JC,100/60,250V/7.5A,H,1 TRERMO-CV DE74-20015B TRAY-COOKING;GLASS,T6.0,PI318,1050G,MW5630T DE92-90189D ASSY-GUIDE ROLLER;D19,STD...

  • Page 19: Door Parts List

    Remarks DE66-20006A BUTTON-PUSH;RESIN-ABS(HR-0370U),P/WHT,M945 C/BOX DE61-70076A SPRING-BUTTON;HSWR,PI0.6 C/BOX DE34-10006A SWITCH-MEMBRANE;PET,89.9,185.2,CE945GF(IDEO) DE72-70007A CONTROL-PANEL;RESIN-ABS,T2.5,WHT,M945 C/BOX DE67-40002A WINDOW-DISPLAY;RESIN-ACRYLIC,T2.3,M945(IDEO) DE91-10402A ASSY PCB-MAIN;230V50HZ,NS,VFD,CE945G(EURO)NE DE93-30539A ASSY CONTROL-PANEL;CE945GF(SSW) 7-5 Body Latch Parts List Ref. No. Parts No. Description/Specification Q'ty Remarks DE66-40001A LATCH-BODY;POM(F20-02) 40GR NTR 3405-000178 SWITCH-MICRO;250V,15A,200gf,SPST-NO 3405-000175 SWITCH-MICRO;250V,15A,200gf,SPST-NO DE66-90001A LEVER-SWITCH;P.O.M(F20-02) 2 6 NTR 2ND-W...

  • Page 20: Standard Parts List

    PN-OUT DE60-10098A SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W CV-TCO DE60-10098A SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W M/DRIV DE60-10122A SCREW-TAP TH;TAP,TH,2-4X8,FE,FN C-CEIL DE60-20063A BOLT-FLANGE;M4,10,ZPC3,YEL,MSWR HI-LOW DE60-20063A BOLT-FLANGE;M4,10,ZPC3,YEL,MSWR HI-UPP DE60-10045A SCREW-TAP PH;PH,M3,L6,FEFZY DE60-10098A SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W B-HVC DE60-10012A SCREW-TAP TITE;TH,+,3,M4,L10,SWR10,ZPC2,TOOTH DE60-10088A SCREW-TAP PH;PH,M3,L8,FEFZY,PLAIN DE60-10045A SCREW-TAP PH;PH,M3,L6,FEFZY Samsung Electronics...

  • Page 21: Exploded Views

    7. Exploded Views and Parts List 7-1 Exploded Views Samsung Electronics...
  • Page 22 MOTOR-FAN;SMF-945EA,230/50,2400,M97G45 DE91-40095A ASSY NOISE FILTER;SN-E10D(N),250V,10A,2ND-WD-TYP DE61-40017A FOOT;PP(A353),BLK,MW5630T DE80-10001A BASE-PLATE;SGCC,T0.8,345,565 DE31-10154A MOTOR-DRIVE;M2HJ49ZR02,ST-16,21V DE71-60382A COVER-CEILING;MICASHEET,T0.5,70,133 DE71-60016A COVER-AIR;PP,2,WHT,M945/M245 4713-001031 LAMP-INCANDESCENT;230V,173mA,40W,ORG,-,-,25x69mm DE93-30343A ASSY CONTROL-BOX;CE97GF45 DE92-40167A ASSY DOOR;BUTTON,WHT,CE945G,IDEO DE61-30006A SUPPORTER-HEATER;ALUMINA,5G,2ND-W/P DE61-70060A SPRING-PLATE;SK-5,T0.5 DE61-50490A BRACKET-TCO;SECC1,T0.6,34,58 DE03-30035A MAGNETRON;OM75PH((31)ESS DE47-20009A THERMOSTAT;PW2N-520PB,160/60,250V/7.5A,H, DE47-20161A THERMOSTAT;PW2N(120/110)187Z23.,250V/7.5A DE47-20008A THERMOSTAT;PW2N-52JC,100/60,250V/7.5A,H,1 TRERMO-CV DE74-20015B TRAY-COOKING;GLASS,T6.0,PI318,1050G,MW5630T DE92-90189D ASSY-GUIDE ROLLER;D19,STD...
  • Page 23 Remarks DE66-20006A BUTTON-PUSH;RESIN-ABS(HR-0370U),P/WHT,M945 C/BOX DE61-70076A SPRING-BUTTON;HSWR,PI0.6 C/BOX DE34-10006A SWITCH-MEMBRANE;PET,89.9,185.2,CE945GF(IDEO) DE72-70007A CONTROL-PANEL;RESIN-ABS,T2.5,WHT,M945 C/BOX DE67-40002A WINDOW-DISPLAY;RESIN-ACRYLIC,T2.3,M945(IDEO) DE91-10402A ASSY PCB-MAIN;230V50HZ,NS,VFD,CE945G(EURO)NE DE93-30539A ASSY CONTROL-PANEL;CE945GF(SSW) 7-5 Body Latch Parts List Ref. No. Parts No. Description/Specification Q'ty Remarks DE66-40001A LATCH-BODY;POM(F20-02) 40GR NTR 3405-000178 SWITCH-MICRO;250V,15A,200gf,SPST-NO 3405-000175 SWITCH-MICRO;250V,15A,200gf,SPST-NO DE66-90001A LEVER-SWITCH;P.O.M(F20-02) 2 6 NTR 2ND-W...
  • Page 24 PN-OUT DE60-10098A SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W CV-TCO DE60-10098A SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W M/DRIV DE60-10122A SCREW-TAP TH;TAP,TH,2-4X8,FE,FN C-CEIL DE60-20063A BOLT-FLANGE;M4,10,ZPC3,YEL,MSWR HI-LOW DE60-20063A BOLT-FLANGE;M4,10,ZPC3,YEL,MSWR HI-UPP DE60-10045A SCREW-TAP PH;PH,M3,L6,FEFZY DE60-10098A SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W B-HVC DE60-10012A SCREW-TAP TITE;TH,+,3,M4,L10,SWR10,ZPC2,TOOTH DE60-10088A SCREW-TAP PH;PH,M3,L8,FEFZY,PLAIN DE60-10045A SCREW-TAP PH;PH,M3,L6,FEFZY Samsung Electronics...
  • Page 25 8. P.C.B Diagrams 8-1 P.C.B Diagrams Samsung Electronics...
  • Page 26 DE39-60001A WIRE-SO COPPER;PI0.6,SN,T,52MM,TAPING_WIRE J01,J02,J03,J04,J05,J06,J07,J08 DE39-60001A WIRE-SO COPPER;PI0.6,SN,T,52MM,TAPING_WIRE J09,J10,J11,J12,J13,J14,J15,J16 DE39-60001A WIRE-SO COPPER;PI0.6,SN,T,52MM,TAPING_WIRE J17,J18,J19 3501-001015 RELAY-POWER;24V,21.8mA,16A,1FormA,20mS,10m RY04 3501-001016 RELAY-MINIATURE;24V,12.5mA,5A,1FormA,8mS,4mS RY02,RY03 3501-001062 RELAY-POWER;24VDC,523.2mW,16A,1FormA,15mS, RY01 3708-000528 CONNECTOR-FPC/FC/PIC;13P,2.54mm,STRAIGHT,SN CN04 DE07-10081A V.F.DISPLAY;SVM-4SM03,GRN/RSHORG,4,51,81.7 VFD1 DE09-30531A IC-MCU;HD404316-C32S,DIP,CE945G/CE745 IC01 DE26-20141A TRANS-L.V;SLV-945E,230V,50HZ,AC17/2.9V LVT1 DE30-20016A BUZZER;CBE2220BA,STICK BUZ1 DE61-90004A HOLDER-DIGITRON;NYLON#66,1.5,85,36,8GR,BLK Samsung Electronics...

  • Page 27: Schematic Diagrams

    9. Schematic Diagrams 9-1 Schematic Diagrams ASSY CHOKE P.C.B H.V.TRANS PRIMARYS/W 230V POWER 230V40W H.V.DIODE LAMP CORD 230V 230V/50HZ H.V.FUSE (0.75A-CE745G/ 0.8A-CE945G) H.V.CAPACITOR INRUSH RELAY MONITOR FUSE RESISTOR (250V1.6A) MAGNETRON POWER RELAY (SECONDARY INTERLOCK) DOOR SENSING MAIN POWER INRUSH GRILL L.V.T...

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