Samsung MW7593G Service Manual

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Owner's manual (38 pages)

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SERVICE

MICROWAVE OVEN

MW7592W / MW7593G

Manual

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

CONTENTS

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Summary of Contents for Samsung MW7593G

Page 1: Table Of Contents
MICROWAVE OVEN MW7592W / MW7593G SERVICE Manual CONTENTS MICROWAVE OVEN 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...
Page 2 (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
10. Service technicians should remove their 16. Always connect a test instrument's ground watches while repairing an MWO. lead to the instrument chassis ground before 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 MW7592W / MW7593G ITEM TIMER 99 MINUTES 99 SECONDS POWER SOURCE 120V/60HZ, AC POWER CONSUMPTION MICROWAVE : 1,450W OUTPUT POWER FROM 100W TO 1000W (10 LEVEL POWER) (IEC-705 TEST PROCEDURE) OPERATING FREQUENCY 2,450MHz...
Page 6: Operating Instructions
Pause / Canel Cancel Press to pause oven or correct a mistake. 3-2 Features & External Views Light Safety Interlock Holes Ventilation Holes Door Control Panel Door Latches Open Door Push Button Guide Roller Glass Tray 270mm 410mm 556mm 448mm Samsung Electronics...
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. Samsung Electronics...
Page 8 ¥ Insertion depth of the thin metal plate should be 0.5mm or less. 4-3-3 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 7. When replacing the drive motor, be sure to Drive Motor Cover Base Plate 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. Samsung Electronics...
Page 10 3. When installing new membrane key board, make sure that the surface of escutcheon base is cleaned sufficiently so that any problems (shorted contacts or uneven surface) can be avoided. Membrane Panel 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 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 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. Samsung Electronics...
Page 14 ; CENTRAL SERVICE CENTER 5-13-2 At least once a year have the microwave energy survey meter checked for accuracy by its manufacturer. Samsung Electronics...
Page 15: Troubleshooting
H.V.Transformer component test procedure and replace if it is H.V.Capacitor defective. H.V.Diode 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 DE67-60082A COUPLER;PPS,T5.3XL24.1,-,BRN,3RD-W(1.3),MW7896W DE61-40066A FOOT;PP,BLK,-,-,3RD-W,- DE80-10002D BASE-PLATE;SGCC,T0.8,W404,L633,3RD-1.3 MW7896W,NO-HINGE/HOLE DE31-10154A MOTOR-DRIVE;M2HJ49ZR02,ST-16,50/60HZ,- DE71-60449A COVER-MGT;PP(TB53),-,25G,110.5X115,GE-WHT,3RD-1.3 MW7896W DE94-00050A ASSY CONTROL-BOX;120V60HZ,MW7592W,WHT,S1-DESIGN MW7592W DE94-00050B ASSY CONTROL-BOX;120V60HZ,MW7593G,GRY,S1-DESIGN MW7593G DE94-00049A ASSY DOOR;MW7592W,WHT,3RD-W,S1-DESIGN MW7592W DE94-00049B ASSY DOOR;MW7593G,GRY,3RD-W,S1-DESIGN MW7593G DE39-20146B ASSY POWER CORD;125V13A,AWG16,1350,GRAY,MSP-36 DE39-00010A WIRE HARNESS-A;120V,-,-,MW7986W DE61-50574A BRACKET-TCO;SECC/SPP,T0.6,-,-,-,3RD-1.3 MW7896W : Warning...
Page 19 MW7593G DE72-70203A CONTROL-PANEL;ABS(VE0855),3RD-W S1 MW7592W,167.5G,P/WHT(W9501) MW7592W DE72-70203B CONTROL-PANEL;ABS,MW7593G,-,-,-,-,D/GRY,S1-DESIGN MW7593G DE97-00005A ASSY PCB-MAIN;RA-W3LCD2-00,MW4592W DE94-00051A ASSY CONTROL-PANEL;MW7592W,WHT,-,S1-DESIGN,-,- MW7592W DE94-00051B ASSY CONTROL-PANEL;MW7593G,GRY,-,S1-DESIGN MW7593G DE64-00018A WINDOW-COVER HIDDEN;ABS(HR0370D),BLK,MW7592W,LCD-S1,1.65G 7-4 Body Latch Parts List Ref. No. Parts No. Description/Specification Q'ty Remarks DE66-40001C LATCH-BODY;PP(FB53WH),-,39.2G,NTR,-,3RD-W MW5592W 3405-000178 SWITCH-MICRO;250V,15A,200gf,SPST-NO 3405-000175 SWITCH-MICRO;250V,15A,200gf,SPST-NO...
Page 20 SCREW-A;2S-4X12,TOOTHED MGT-B/TCO DE60-10082H SCREW-A;2S-4X12,TOOTHED MO/FAN DE60-10082H SCREW-A;2S-4X12,TOOTHED P-C-EA DE60-10082H SCREW-A;2S-4X12,TOOTHED PN/OUT DE60-10082H SCREW-A;2S-4X12,TOOTHED S-M-EA DE60-10088A SCREW-TAP PH;PH,M3,L8,FEFZY,PLAIN MGT-TCO DE60-10098A SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W M/DRIV DE60-10195A SCREW-STAR POLE;TH,*,2,4,12,SWCH18A,ZNC O/PANEL DE60-10088A SCREW-TAP PH;PH,M3,L8,FEFZY,PLAIN DE60-10098A SCREW-ASSY TAP TITE;PH,TC,M4X8,SWRCH18A,ZPC2,GLD,W DIODE DE60-10012A SCREW-TAP TITE;TH,+,3,M4,L10,SWR10,ZPC2,TOOTH Samsung Electronics...
Page 21 8. P.C.B Diagrams 8-1 P.C.B Diagrams Samsung Electronics...
Page 22 CN07 DE13-20009A IC;KA7533,DIP IC02 DE39-60001A WIRE-SO COPPER;PI0.6,SN,T,52MM,TAPING_WIRE J01,J02,J04,J05,J10,J11 DE39-60001A WIRE-SO COPPER;PI0.6,SN,T,52MM,TAPING_WIRE J12,J13,J14,J15,J16,J17 DE09-00016A IC-MCU;TMP87CH21DF-2434,MW4592W,8BIT 3501-001050 RELAY-MINIATURE;24VDC,200mW,5A,1FormA,10mS,5mS RY02 3501-001062 RELAY-POWER;24VDC,523.2mW,16A,1FormA,15mS RY01 3708-000528 CONNECTOR-FPC/FC/PIC;13P,2.54mm,STRAIGHT,SN CN05 3711-004199 CONNECTOR-HEADER;NOWALL,20P,2R,1MM,STRAIGHT,SN DE01-00116A FILM-LCD;PVC,T0.1,W24.1,L73,WHT,MW4592W DE07-00002A LCD-DISPLAY;KXN31992DAN,67*26.5*2.85 LCD1 DE26-20149A TRANS-L.V;SLV-4270U,120V,60HZ,AC17V/7V LVT1 DE30-20016A BUZZER;CBE2220BA,STICK BUZ1 DE61-90324A HOLDER-LCD;PP,-,-,-,-,3RD-W Samsung Electronics...
Page 23: Schematic Diagrams
DOOR IS OPENED ASSY PCB BOARD MAGNETRON BLK BLU HIGH VOLTAGE DIODE TO CHASSIS PRIMARY SWITCH HIGH VOLTAGE CAPACITOR DOOR SENSING SWITCH MONITOR SWITCH BOTTOM CENTER SYMBOL COLOR ORANGE HIGH VOLTAGE WHITE TRANSFORMER BLACK BLUE BLU RED POWER RELAY Samsung Electronics...

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