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Most Recent Samsung MW7490W Questions
Modes Settings
how to set different modes like microwave, grill etc
how to set different modes like microwave, grill etc
(Posted by maninder1856 3 years ago)
Light And Clock Work Will Power Up For Few Seconds And Shut Off
(Posted by megt 8 years ago)
Runs Clock And Timer Work But Won't Heat Up And Glass At Bottom Won't Spin
(Posted by bubbayumz1972 11 years ago)
Popular Samsung MW7490W Manual Pages
Service Manual - Page 1
PCB Diagrams 9. Disassembly and Reassembly 5. Specifications 3. Alignment and Adjustments 6. Schematic Diagrams Troubleshooting 7. MICROWAVE OVEN
MW7490W
SERVICE Manual
MICROWAVE OVEN
SECA
CONTENTS
1. Operating Instructions 4. Precaution 2. Exploded Views and Parts List 8.
Service Manual - Page 2
... 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 each oven prior to release to the owner.
Samsung Electronics
Service Manual - Page 3
..., described above. This is completely safe during ordinary use only the exact replacements for the particular model being repaired.
13. This product complies with the door open : Instruct the user not to servicing if the oven is blown by static electricity. To avoid any possible radiation hazard, replace parts in this manual. The correct adjustment of the built-in this...
Service Manual - Page 4
... any components or wiring, always unplug the oven and discharge the high voltage capacitor (See Figure 1-1)
2.
When checking the continuity of the magnetron.
Use replacement components that the power is OFF, and one of the special components. A replacement part that are critical for flame resistance and dielectric strength specifications. Components that does not have the...
Service Manual - Page 5
2. Specifications
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-705 TEST PROCEDURE) 2,450MHz OM75PH(31)ESS COOLING FAN MOTOR 217/8(W) x 125/16(H) x 1621...
Service Manual - Page 9
... tray and the guide roller from the power source. 2. When mounting the door to the oven, be sure to remount it and follow the instructions below for proper alignment.
2. Disassembly and Reassembly
4-3-5 Reassembly Test
After replacement of the defective component parts of the door, reassemble it in the direction necessary for proper installation and adjustment so...
Service Manual - Page 10
... the surface of hair dryer is cleaned sufficiently so that the holes on the Plastic Fastener. If repair work is attached to ground any problems (shorted contacts or uneven surface) can be broken. Disassembly and Reassembly
4-6 Replacement of Control Circuit Board
4-6-1 Removal of membrane panel.
2. Remove screws securing the control box assembly.
4. Pull...
Service Manual - Page 11
5. Before touching any cook cycle. 2.
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 Terminals
Secondary Terminal
5-2 Low Voltage Transformer
1. Continuity checks can indicate only an ...
Service Manual - Page 12
... microwave oven...repair and adjustment, be sure to Latch Body, consult the figure.
2. The resistance of all latch switches again by following switches: Primary interlock and door sensing switches, and the interlock monitor switch (replace all together). Set the power level set at the highest resistance scale, measure across the diode terminals. No specific adjustment during installation...
Service Manual - Page 13
...Normal temperature rise for this model is obtained by the following ... ("T2"). 5. Samsung Electronics
5-3 5-8 Output...MICROWAVE RADIATION
PERSONNEL SHOULD NOT ALLOW EXPOSURE TO MICROWAVE RADIATION FROM MICROWAVE GENERATOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY. NOTE 2: Output power in glass vessel with water. 2. Stir water in watts is marginal. Set the oven...
Service Manual - Page 14
... of magnetron, the surface of the air guide and the surface of the wave guide as listed in this may result. 5) Measured leakage must be less than 4mW/cm2, after repair or adjustment. Set survey meter dual ranges to allow for measurement and meter accuracy
5-10 Check for Microwave Leakage
1. Alignment and Adjustments
5-9 Procedure for...
Service Manual - Page 15
... cutout is replaced, check diode and magnetron also.
1. NOTE 2: When HVTransformer is defective. Open low voltage transformer 4. Shorted or open membrane panel 4. Troubleshooting
PRECAUTION!
1. WHEN CHECKING THE CONTINUITY OF THE SWITCHES OR TRANSFORMER, DISCONNECT ONE LEAD WIRE FROM THESE
PARTS AND THEN CHECK CONTINUITY WITHOUT THE POWER SOURCE ON. Samsung Electronics
6-1 Check...
Service Manual - Page 16
... or silver powder also causes sparks. Replace turntable motor.
6-2
Samsung Electronics Turntable motor does not rotate. Open or loose wiring of secondary interlock switch
2. Loose screws on
Oven can be heard. Operation of H.V.Transformer. Noise from the motor.
Tighten screws of thermal cutout(Magnetron)
1.
Inform the customer. Microwave output is low;. Fan motor turns...
Service Manual - Page 18
...Specification...-00009A ASSY-GUIDE ROLLER MW7896W,D16...MW7490W,WHT,3RD-1.3CU.FT,NEW GUARD
1
M25 DE39-20037H ASSY POWER CORD 120V60HZ,-,L1150,CSA,MW5592W/XAC
1
M26 DE61-50574A BRACKET-TCO
SECC/SPP,T0.6,-,-,-,3RD-1.3 MW7896W
1
M27 DE63-90035I CUSHION-RUBBER
DFA20,T1.5,W190,L100,BLK,JE154
1
CV/AIR
: Option Parts
: Warning
:Electrostatically Sensitive Devices
7-2
Samsung Electronics Parts...
Service Manual - Page 19
... B 3 3405-001032 B 4 DE66-90114A
Description
LATCH-BODY SWITCH-MICRO SWITCH-MICRO LEVER-S/W
Specification
PP(FB53WH),-,39.2G,NTR,-,3RD-W MW5592W 125/250VAC,16A,200GF,SPST-NO 125/250VAC,16A,200GF,SPDT PP(FB53WH),-,-,-,3.5G,NTR,3RD-W MW5592W
Q'ty Remarks
1 2 1 1
Samsung Electronics
7-3 Parts No. D 1 DE64-40242A D 2 DE64-40006E D 3 DE61-70128A D 4 DE67-20198A D 5 DE94-00019A...
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