Samsung MW7490W Support Question
Samsung MW7490W Support Question
Find answers below for this question about Samsung MW7490W.Need a Samsung MW7490W manual? We have 1 online manual for this item!
Question posted by carlp on July 16th, 2013
Key Pad Is Locked
cannot key in time requested and start.
Current Answers
Related Samsung MW7490W Manual Pages
Service Manual - Page 1
Specifications 3. Exploded Views and Parts List 8. Troubleshooting 7. PCB Diagrams 9. Schematic Diagrams Operating Instructions 4. MICROWAVE OVEN
MW7490W
SERVICE Manual
MICROWAVE OVEN
SECA
CONTENTS
1. Alignment and Adjustments 6. Disassembly and Reassembly 5. Precaution 2.
Service Manual - Page 2
... 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 released to the owner.
(e) A Microwave leakage check to verify compliance with the Federal performance standard should be performed on...
Service Manual - Page 3
... Service technicians should be performed to prior to use oven until it has been brought into compliance at the same time: Primary, door sensing switch and power relay, as ... microwave radiation, as well as the Interlock Monitor Switch. CENTRAL SERVICE CENTER
10. Although the microwave oven is especially important for the particular model being repaired.
13. If the oven operates...
Service Manual - Page 4
High Voltage Warning Do not attempt to the oven chassis. (Use a screwdriver.)
3. The high-voltage capacitor remains charged ...voltages--this includes the filament voltage of the lead wires is present during any components or wiring, always unplug the oven and discharge the high voltage capacitor (See Figure 1-1)
2.
Discharging the High Voltage Capacitor
1-2
Samsung Electronics Before ...
Service Manual - Page 5
... 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-705 TEST PROCEDURE) 2,450MHz OM75PH(31)ESS COOLING FAN MOTOR 217/8(W) x 125...
Service Manual - Page 6
... 45 78 0 Power Level
3 6 9
More/Less
Clock 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
Safety Interlock Holes
Door Latches
Glass Tray
Guide Roller
Control Panel Open Door Push Button
313mm
3-1
402mm 556mm...
Service Manual - Page 7
... parts, or it may be sure to the
wave guide. 4.
Remove screws securing the magnetron to remount the magnetron gasket in one assembly). Remove the oven lamp by pulling out from the back panel of air cover. Capacitor
H. Discharge the high voltage capacitor. 2. Samsung Electronics
4-1 Take out the magnetron very carefully...
Service Manual - Page 8
... as shown in the figure, insert and bend a thin metal plate between Door "A" and Door "C" to remove Door "C".
Door "A"
Door "C"
4-3-2 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 Be careful when handling Door "C" because it is fragile.
Service Manual - Page 9
... drive motor. 3. Samsung Electronics
Screw
Drive Motor
Drive Motor Cover Base Plate 4-3 Do the microwave leakage test.
4-4 Replacement of interlock monitor switch failure, replace the primary
interlock switch, door ...microwave energy may leak from the space between the inner door surface and oven front surface. When mounting the door to the oven, be sure to the bottom line of the oven...
Service Manual - Page 10
...Therefore, applying hot air such as its mounting tabs will be avoided. When installing new membrane key board, make sure
that any static electric charge in your body and never touch the control... circuit.
2. Be sure to the escutcheon base with doublefaced adhesive tape. The membrane key board is cleaned sufficiently so that the holes on the connector are properly engaged with ...
Service Manual - Page 11
...less. 4. Normal resistance readings are as follows:
MODEL
Secondary Filament Primary
(Room temperature = 20˚C)
MW7490W
88.0 Ω ± 10% Shows Continuity 0.32Ω ± 10%
Primary Terminals
Filament ... present at the high voltage terminals during any oven components or wiring, always unplug the oven from the PCB Ass'y and check continuity.
3. To diagnose an open filament...
Service Manual - Page 12
... all together). Check for a short time, and then indicates 9MΩ. ...oven assembly.
4. Make sure that the oven door will show continuous continuity. 4. Once the capacitor is charged, a normal capacitor shows continuity for play in it so that the latch keys move smoothly after the start pad... and Power Control Relay
1. Operate the microwave oven with 6V, 9V or higher voltage batteries...
Service Manual - Page 13
... (Outside diameter 190 mm) * One glass thermometer with accurate equipment. 1. Set the oven to 10.5˚C at 'HIGH'. The output power is 9.9˚C to
high power and...a holding time of Magnetron
Alignment and Adjustments
CAUTION MICROWAVE RADIATION
PERSONNEL SHOULD NOT ALLOW EXPOSURE TO MICROWAVE RADIATION FROM MICROWAVE GENERATOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY.
Subtract...
Service Manual - Page 14
...readings may
cause damage to the probe. 4) Follow the recommendation of the manufacturer of the microwave energy survey meter.
5-12 Leakage Measuring Procedure
5-12-1 Record keeping and notification after measurement... graduated to 600cc, and place the beaker in the center of the oven.
2) Start to operate the oven and measure the leakage by its manufacturer.
5-4
Samsung Electronics Remove the...
Service Manual - Page 15
...and no microwave oscillation. (No heat while oven lamp and ...Oven is defective. Defective Ass'y PCB
Refer to adjustment instructions) Check continuity of these switches must be replaced at the same time. (refer to operation procedure. BE CAREFUL OF THE HIGH VOLTAGE CIRCUIT. 3. CHECK GROUNDING BEFORE CHECKING FOR TROUBLE. 2. Shorted HVTransformer (NOTE2)
Check adjustment of membrane
key pad...
Service Manual - Page 16
... the turntable motor when it starts to the plugged in power source voltage. 2.
Replace H.V.Diode.
Inform the customer.
Open or loose wiring of microwave due to cook food. Decrease...
SYMPTOM Oven lamp and fan motor turn on the oven wall.
2. Oven takes longer time to its characteristics. Defective primary latch switch
1. Metallic ware or cooking dishes touching on
Oven can ...
Service Manual - Page 18
...,-
1
M22 DE71-60449A COVER-MGT
PP(TB53),25G,110.5X115,GE-WHT,3RD-1.3 MW789 1
M23 DE93-30375R ASSY CONTROL-BOX MW7490W,WHT,3RD-1.3CU.FT,LCD2
1
M24 DE92-40176G ASSY DOOR
MW7490W,WHT,3RD-1.3CU.FT,NEW GUARD
1
M25 DE39-20037H ASSY POWER CORD 120V60HZ,-,L1150,CSA,MW5592W/XAC
1
M26 DE61-50574A...
Service Manual - Page 19
...-20198A D 5 DE94-00019A D 6 DE64-40010A D 7 DE01-00113A
Description
DOOR-A DOOR-KEY SPRING-KEY SCREEN-DOOR ASSY DOOR-E DOOR-C FILM-DOOR
Exploded Views and Parts List
Specification
ABS,T2.5,W300...2 DE61-70076A SPRING-BUTTON
HSWR,PI0.6
1
C 3
DE34-10207T SWITCH-MEMBRANE
PET,MW7490W/XAC,-,-,-,-,-,3RD-1.3
1
C 4 DE72-70162A CONTROL-PANEL
ABS,250G,T2.5
1
C 5 RA-W3LCD2-01 ASSY PCB ...
Samsung Knowledge Base Results
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General Support
...of the device Insert a microSD memory card into the memory card slot until it locks in place From the Today screen, tap Start Tap Programs Tap on the File Explorer icon Tap on the My Documents ...on My Documents Double-click on My Pictures Select the desired picture(s) while holding down the CTRL key Pull down the Edit menu and click on Copy Navigate to the desired destination folder Pull down ... -
General Support
... you a better cooking performance. Fish 4. Max Cooking Time You can cook food for a maximum permissible time of the cooking time. Clock The SAMSUNG microwave oven has an inbuilt clock that provides time and energy efficiency. 20L Grill The SAMSUNG microwave oven has a cavity of 20L and segment is called grill. Child Lock This function prevents children from fiddling with... -
General Support
... time out 1: 1 second 2: 2 seconds 3: 3 seconds 4: 4 seconds 5: 5 seconds 6: 10 seconds 6: Keypad backlight on 1: Any time 2: Custom time 3: Start time (after 23:00) 4: End time ...Date and Time 2: Roaming 3: Security 1: Device Lock 2: Certificates 3: Encryption 4: Emergency Numbers 5: Phone Reset 4: Memory Information 5: Word Completion 6: Remove Programs 1: Accessibility 2: Key Settings 3: ...
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