Samsung MW7490W Service Manual

Samsung MW7490W Manual

Get Samsung MW7490W PDF manuals and user guides View all Samsung MW7490W manuals
Add to My Manuals
Save this manual to your list of manuals

Samsung MW7490W manual content summary:

  • Samsung MW7490W | Service Manual - Page 1
    MICROWAVE OVEN MW7490W SERVICE Manual MICROWAVE OVEN SECA 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
  • Samsung MW7490W | Service Manual - Page 2
    shall be repaired, replaced, or adjusted by procedures described in this manual before the oven is released to the owner. (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
  • Samsung MW7490W | Service Manual - Page 3
    procedures described in this manual. This product complies with Federal Performance Standard 21 CFR Subchapter J (DHHS). 2. Microwave emission check should be performed to prior to servicing if the oven is operative. 3. If the oven operates with the door open : Instruct the user not to operate the
  • Samsung MW7490W | Service Manual - Page 4
    Special Servicing Precautions same ratings, especially for flame resistance and dielectric strength specifications. A replacement part that does not have the Before touching any components or wiring, always unplug the oven and discharge the high voltage capacitor (See Figure 1-1) Samsung Electronics
  • Samsung MW7490W | Service Manual - Page 5
    2-1 Table of Specifications ITEM TIMER POWER SOURCE POWER CONSUMPTION OUTPUT POWER MODEL OPERATING FREQUENCY MAGNETRON COOLING METHOD OUTSIDE DIMENSIONS NET WEIGHT SHIPPING WEIGHT MW7490W 99 MINUTES 99 SECONDS 120V/60HZ, AC MICROWAVE : 1,450W FROM 100W TO 1000W (10 LEVEL POWER) (IEC
  • Samsung MW7490W | Service Manual - Page 6
    3. Operating Instructions 3-1 Control Panel One Minute + Popcorn Diet Cook One Minute Button Pause/Canel Button Clock Pause Cancel 3-2 Features & External Views Kitchen Timer Start MW7490W Door Ventilation Holes Light Number Key Button More/Less Button Kitchen Timer Button Start Button
  • Samsung MW7490W | Service Manual - Page 7
    air cover. 3. Remove screws securing the magnetron to the wave guide. 4. Take out the magnetron very carefully. 5. Remove tow screws motor assembly. 6. Take out the fan motor assembly. 7. Remove the oven lamp by pulling out from hole of air cover. Fan Motor Screw firmly. Samsung Electronics 4-1
  • Samsung MW7490W | Service Manual - Page 8
    0.5mm or less. 4-3-3 Removal of Key Door & Spring Remove pin hinge from Door "E" Detach spring from Door "E" and key door. 4-2 Door "E" Door "E" Key Door Spring Samsung Electronics
  • Samsung MW7490W | Service Manual - Page 9
    After replacement of the defective component parts of the door, reassemble it and follow the instructions below for proper installation and adjustment so as to prevent an excessive microwave leakage. 1. When mounting the door to the oven, be sure to adjust the door parallel to the bottom line of the
  • Samsung MW7490W | Service Manual - Page 10
    is recommended for smoother removal. 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 4-4 Screw Screw
  • Samsung MW7490W | Service Manual - Page 11
    the oven from its power source and discharge the high voltage capacitor. 5-1 High Voltage Transformer 1. Remove connectors from the transformer terminals and check continuity. 2. Normal resistance readings are as follows: MODEL Secondary Filament Primary (Room temperature = 20˚C) MW7490W 88
  • Samsung MW7490W | Service Manual - Page 12
    . 2. Operate the microwave oven with a water load in the oven. Set the power level specific adjustment during installation of Primary switch and Monitor switch to the latch body is necessary. 3. When mounting the Latch Body to the oven assembly, adjust the Latch Body by moving it so that the oven
  • Samsung MW7490W | Service Manual - Page 13
    MICROWAVE RADIATION PERSONNEL SHOULD NOT ALLOW EXPOSURE TO MICROWAVE RADIATION FROM MICROWAVE GENERATOR OR OTHER PARTS CONDUCTING MICROWAVE the cooking tray. Set the oven to high power and operate 7. Normal temperature rise for this model is 9.9˚C to 10.5˚C at in watts is computed by multiplying
  • Samsung MW7490W | Service Manual - Page 14
    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 5-12-2 At least once a year have the microwave energy survey meter checked for accuracy by its manufacturer. 5-4 Samsung Electronics
  • Samsung MW7490W | Service Manual - Page 15
    6. Troubleshooting PRECAUTION! 1. CHECK GROUNDING BEFORE CHECKING FOR TROUBLE. 2. BE CAREFUL OF THE HIGH VOLTAGE CIRCUIT. 3. DISCHARGE THE HIGH VOLTAGE CAPACITOR. 4. WHEN CHECKING THE CONTINUITY OF THE SWITCHES OR TRANSFORMER, DISCONNECT ONE LEAD WIRE FROM THESE PARTS AND THEN CHECK CONTINUITY
  • Samsung MW7490W | Service Manual - Page 16
    Troubleshooting 6-2 Electrical Mulifunction(continued) SYMPTOM Oven lamp and fan motor turn on Oven can program but timer does not start. Microwave output is low;. Oven takes longer time to cook food. Fan motor turns on when plugged in Oven sensing switch Defective and latch switches. Inform the
  • Samsung MW7490W | Service Manual - Page 17
    7. Exploded Views and Parts List 7-1 Exploded Views D1 D4 D6 D7 D5 D3 D2 M24 M1 M27 M25 M2 M3 M5 M4 M6 M8 M26 C7 C4 M11 M10 M22 B2 M21 B1 M20 M12 M7 B3 M9 M23 B4 B2 M14 M13 C8 C3 C2 C1 C5 C6 M15 M19 M16 M17 M18 Samsung Electronics 7-1
  • Samsung MW7490W | Service Manual - Page 18
    . No. Parts No. Description Specification Q'ty Remarks M 1 DE70- ,PI360,1.2CUFT,NEG 1 M17 DE97-00009A ASSY-GUIDE ROLLER MW7896W,D16.5,BLK,XARAC 1 M18 DE67-60082A 30375R ASSY CONTROL-BOX MW7490W,WHT,3RD-1.3CU.FT,LCD2 1 M24 DE92-40176G ASSY DOOR MW7490W,WHT,3RD-1.3CU.FT Samsung Electronics
  • Samsung MW7490W | Service Manual - Page 19
    and Parts List Specification ABS,T2.5,W300,L450 Specification Q'ty Remarks C 1 DE66-20010A BUTTON-PUSH ABS(VH-080),WHT,17.6G,MW4370W, 1 C 2 DE61-70076A SPRING-BUTTON HSWR,PI0.6 1 C 3 DE34-10207T SWITCH-MEMBRANE PET,MW7490W LATCH-BODY SWITCH-MICRO SWITCH-MICRO LEVER-S/W Specification PP(
  • Samsung MW7490W | Service Manual - Page 20
    SCREW-TAP PH SCREW-ASSY TAP TITE SCREW-TAP PH SCREW-ASSY TAP TITE SCREW-TAP TITE Specification M5,L12,2S M5,L12,2S 2S-4X12,TOOTHED 2S-4X12,TOOTHED 2S-4X12,TOOTHED 2S-4X12,TOOTHED 1 MGT-B/TCO 2 MO/FAN 1 P-C-EA 5 PN/OUT 1 S-M-EA 1 MGT-TCO 2 M/DRIV 2 - 1 DIODE 1 - 7-4 Samsung Electronics
  • Samsung MW7490W | Service Manual - Page 21
    8. P.C.B Diagrams 8-1 P.C.B Diagrams Samsung Electronics 8-1
  • Samsung MW7490W | Service Manual - Page 22
    -L.V BUZZER ASSY PCB SUB ASSY-DISPLAY-LCD DIODE-SWITCHING DIODE-RECTIFIER DIODE-ZENER TR-SMALL SIGNAL TR-DIGITAL WIRE-SO COPPER WIRE-SO COPPER WIRE-SO COPPER IC-MCU Specification 24VDC,200mW,5A,1FormA,10mS,5mS 24VDC,523.2mW,16A,1FormA, 5 J11,J12,J13,J14,J15 2 J16,J17 1 IC01 8-2 Samsung Electronics
  • Samsung MW7490W | Service Manual - Page 23
    DISCONNECTED BEFORE SERVICING THIS APPLIANCE C1 0.1uF 0.9mH 500kohm C3 200pF C2 200pF POWER RELAY (SECONDARY INTERLOCK) PRIMARY SWITCH TOP ORG BLU ORG BLK BLU BLK BLK BLK DOOR SENSING SWITCH BOTTOM RED BLK MONITOR SWITCH CENTER BLK BLU RED POWER RELAY Samsung Electronics MAGNETRON
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
MICROWAVE OVEN
MW7490W
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
SECA