Service Manual
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Disassembly and Reassembly 5. Troubleshooting 7. PCB Diagrams 9. Operating Instructions 4. Exploded Views and Parts List 8. MICROWAVE OVEN MW7490W SERVICE Manual MICROWAVE OVEN SECA CONTENTS 1. Specifications 3. Schematic Diagrams Precaution 2. Alignment and Adjustments 6.
Disassembly and Reassembly 5. Troubleshooting 7. PCB Diagrams 9. Operating Instructions 4. Exploded Views and Parts List 8. MICROWAVE OVEN MW7490W SERVICE Manual MICROWAVE OVEN SECA CONTENTS 1. Specifications 3. Schematic Diagrams Precaution 2. Alignment and Adjustments 6.
Service Manual
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...the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source, and make repairs as necessary: (1) Interlock operation, (2) proper door closing, (3) ..., (5) evidence of dropping or abuse. (c) Before turning on microwave power for any service test or inspection within the microwave generating compartments, check the magnetron, wave guide or transmission line,...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 ...
...the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source, and make repairs as necessary: (1) Interlock operation, (2) proper door closing, (3) ..., (5) evidence of dropping or abuse. (c) Before turning on microwave power for any service test or inspection within the microwave generating compartments, check the magnetron, wave guide or transmission line,...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 ...
Service Manual
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... procedures described in this manual. CENTRAL SERVICE CENTER 10. If the fuse is blown by touching a known earth ground. 16. Samsung Electronics 1-1 To avoid any of the following parts: Primary and secondary interlock switches, interlock monitor switch. 12. This is completely ...all solid-state heat sinks are replaced. Examples: Lamp hole, ventilation slots. 9. Inform the manufacturer of these special safety precautions. Microwave emission check should be sure to bring the unit into compliance. Also, use , repair work can be done in accordance with ...
... procedures described in this manual. CENTRAL SERVICE CENTER 10. If the fuse is blown by touching a known earth ground. 16. Samsung Electronics 1-1 To avoid any of the following parts: Primary and secondary interlock switches, interlock monitor switch. 12. This is completely ...all solid-state heat sinks are replaced. Examples: Lamp hole, ventilation slots. 9. Inform the manufacturer of these special safety precautions. Microwave emission check should be sure to bring the unit into compliance. Also, use , repair work can be done in accordance with ...
Service Manual
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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 1621/32(D) 38.6 lbs. 43 lbs Samsung Electronics 2-1
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 1621/32(D) 38.6 lbs. 43 lbs Samsung Electronics 2-1
Service Manual
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... hinge and lower hinge in the correct position with a screw driver. Turn the oven upside down to the base plate with the coupler. 8. Samsung Electronics Screw Drive Motor Drive Motor Cover Base Plate 4-3 Disconnect the oven from the cavity. 2. Remove the drive motor and the coupler. 7....direction necessary for proper installation and adjustment so as the control circuit board, blower motor or high voltage transformer is not mounted properly, microwave energy may leak from the space between the inner door surface and oven front surface. When mounting the door to the oven, ...
... hinge and lower hinge in the correct position with a screw driver. Turn the oven upside down to the base plate with the coupler. 8. Samsung Electronics Screw Drive Motor Drive Motor Cover Base Plate 4-3 Disconnect the oven from the cavity. 2. Remove the drive motor and the coupler. 7....direction necessary for proper installation and adjustment so as the control circuit board, blower motor or high voltage transformer is not mounted properly, microwave energy may leak from the space between the inner door surface and oven front surface. When mounting the door to the oven, ...
Service Manual
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... Lever Door Door Sensing Switch Primary switch Monitor switch (COM-NC) Door Sensing S/W Door Open ∞ 0 ∞ Door Closed 0 ∞ 0 5-2 Samsung Electronics Check for a short time, and then indicates 9MΩ. 3. The resistance of a normal diode will not have any play in the oven. Operate the... microwave oven with the meter set to the oven assembly. 4. Set the power level set at the highest resistance scale, measure across the diode terminals...
... Lever Door Door Sensing Switch Primary switch Monitor switch (COM-NC) Door Sensing S/W Door Open ∞ 0 ∞ Door Closed 0 ∞ 0 5-2 Samsung Electronics Check for a short time, and then indicates 9MΩ. 3. The resistance of a normal diode will not have any play in the oven. Operate the... microwave oven with the meter set to the oven assembly. 4. Set the power level set at the highest resistance scale, measure across the diode terminals...
Service Manual
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...9.9˚C to high power and operate for 44 seconds exactly. (3 seconds included as a holding time of the cooking tray. Samsung Electronics 5-3 NOTE 2: Output power in the temperature rise. Equipment needed : * Two 1-liter cylindrical borosilicate glass vessel (Outside ...measured by a factor of 91 times the 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. 5-8 Output Power of centigrade temperature. Low voltage will give you the ...
...9.9˚C to high power and operate for 44 seconds exactly. (3 seconds included as a holding time of the cooking tray. Samsung Electronics 5-3 NOTE 2: Output power in the temperature rise. Equipment needed : * Two 1-liter cylindrical borosilicate glass vessel (Outside ...measured by a factor of 91 times the 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. 5-8 Output Power of centigrade temperature. Low voltage will give you the ...
Service Manual
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... of the wave guide as listed in this 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 1) After adjustment and repair of the oven.... 2) Start to operate the oven and measure the leakage by its manufacturer. 5-4 Samsung Electronics Alignment and Adjustments 5-9 Procedure for Measurement of Microwave Energy Leakage 1) Pour 275±15cc of 20±5˚C(68±9˚F) water in a beaker which is ...
... of the wave guide as listed in this 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 1) After adjustment and repair of the oven.... 2) Start to operate the oven and measure the leakage by its manufacturer. 5-4 Samsung Electronics Alignment and Adjustments 5-9 Procedure for Measurement of Microwave Energy Leakage 1) Pour 275±15cc of 20±5˚C(68±9˚F) water in a beaker which is ...
Service Manual
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...) Check adjustment of latch switches 2. Replace PCB main. 1. Open or loose connection of power relay contacts and if it is not in-Sequence 2. Samsung Electronics 6-1 6. No display and no microwave oscillation. (No heat while oven lamp and fan motor turn on.) CAUSE CORRECTIONS 1. Open thermal cutout (Magnetron) 3. Shorted HVCapacitor 5. NOTE 1: All of...
...) Check adjustment of latch switches 2. Replace PCB main. 1. Open or loose connection of power relay contacts and if it is not in-Sequence 2. Samsung Electronics 6-1 6. No display and no microwave oscillation. (No heat while oven lamp and fan motor turn on.) CAUSE CORRECTIONS 1. Open thermal cutout (Magnetron) 3. Shorted HVCapacitor 5. NOTE 1: All of...
Service Manual
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... Inform the customer. Wrap thinner parts of the food with gold or silver powder also causes sparks. Replace turntable motor. 6-2 Samsung Electronics Open or loose wiring of door sensing switch. Metallic ware or cooking dishes touching on Oven can be heard. Noise from ... electrician. Check wire of magnetron filament circuit. (Intermittent oscillation)) 3. Tighten screws of turntable motor. 2. Do not use any type of microwave due to operate. Troubleshooting 6-2 Electrical Mulifunction(continued) SYMPTOM Oven lamp and fan motor turn on the oven wall. 2. Open or loose ...
... Inform the customer. Wrap thinner parts of the food with gold or silver powder also causes sparks. Replace turntable motor. 6-2 Samsung Electronics Open or loose wiring of door sensing switch. Metallic ware or cooking dishes touching on Oven can be heard. Noise from ... electrician. Check wire of magnetron filament circuit. (Intermittent oscillation)) 3. Tighten screws of turntable motor. 2. Do not use any type of microwave due to operate. Troubleshooting 6-2 Electrical Mulifunction(continued) SYMPTOM Oven lamp and fan motor turn on the oven wall. 2. Open or loose ...