Service Manual
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Troubleshooting 7. PCB Diagrams 9. Schematic Diagrams Operating Instructions 4. Alignment and Adjustments 6. Specifications 3. MICROWAVE OVEN MW5480W / MW5481G MW5380W / MW5381G SERVICE Manual MICROWAVE OVEN SEA One Minute + Popcorn Frozen Dinner Fresh Vegetable Diet Cook Potato Frozen Breakfast Auto Defrost Auto Reheat 12 3 456 789 0 Power Level More/Less Clock Auto Start Pause Cancel Hold Timer Start 1. Exploded Views and Parts List 8. Disassembly and Reassembly 5. Precaution CONTENTS 2.
Troubleshooting 7. PCB Diagrams 9. Schematic Diagrams Operating Instructions 4. Alignment and Adjustments 6. Specifications 3. MICROWAVE OVEN MW5480W / MW5481G MW5380W / MW5381G SERVICE Manual MICROWAVE OVEN SEA One Minute + Popcorn Frozen Dinner Fresh Vegetable Diet Cook Potato Frozen Breakfast Auto Defrost Auto Reheat 12 3 456 789 0 Power Level More/Less Clock Auto Start Pause Cancel Hold Timer Start 1. Exploded Views and Parts List 8. Disassembly and Reassembly 5. Precaution CONTENTS 2.
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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...parts: Primary and secondary interlock switches, interlock monitor switch. Examples include integrated circuits and field-effect transistors. Although the microwave oven is completely safe during ordinary use, repair work can be performed to prior to bring the unit into compliance. ...exposure to use only the exact replacements for the particular model being repaired. 3. Immediately before attempting to determine cause. Samsung Electronics 1-1 Be sure that the fuse has the correct rating for the following at no cabinet openings through which people...
...parts: Primary and secondary interlock switches, interlock monitor switch. Examples include integrated circuits and field-effect transistors. Although the microwave oven is completely safe during ordinary use, repair work can be performed to prior to bring the unit into compliance. ...exposure to use only the exact replacements for the particular model being repaired. 3. Immediately before attempting to determine cause. Samsung Electronics 1-1 Be sure that the fuse has the correct rating for the following at no cabinet openings through which people...
Service Manual
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... ITEM TIMER POWER SOURCE POWER CONSUMPTION OUTPUT POWER MODEL OPERATING FREQUENCY MAGNETRON COOLING METHOD OUTSIDE DIMENSIONS NET WEIGHT SHIPPING WEIGHT MW5480W/MW5481G/MW5380W/MW5381G 99 MINUTES 99 SECONDS 120V/60HZ, AC MICROWAVE : 1,300W FROM 90W TO 900W (10 LEVEL POWER) (IEC-705 TEST PROCEDURE) 2,450MHz OM75PH(31)ESS COOLING FAN ....5 lbs 2-2 Comparison Chart FEATURE MORE/LESS AUTO REHEAT AUTO DEFROST TIME COOK POWER LEVEL INSTANT COOK MEMORY BOOST CHILD LOCK CLOCK GRILL COMBI MODEL MW5480W/MW5481G/MW5380W/MW5381G − Ο Ο − − Samsung Electronics 2-1 2.
... ITEM TIMER POWER SOURCE POWER CONSUMPTION OUTPUT POWER MODEL OPERATING FREQUENCY MAGNETRON COOLING METHOD OUTSIDE DIMENSIONS NET WEIGHT SHIPPING WEIGHT MW5480W/MW5481G/MW5380W/MW5381G 99 MINUTES 99 SECONDS 120V/60HZ, AC MICROWAVE : 1,300W FROM 90W TO 900W (10 LEVEL POWER) (IEC-705 TEST PROCEDURE) 2,450MHz OM75PH(31)ESS COOLING FAN ....5 lbs 2-2 Comparison Chart FEATURE MORE/LESS AUTO REHEAT AUTO DEFROST TIME COOK POWER LEVEL INSTANT COOK MEMORY BOOST CHILD LOCK CLOCK GRILL COMBI MODEL MW5480W/MW5481G/MW5380W/MW5381G − Ο Ο − − Samsung Electronics 2-1 2.
Service Manual
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...sure to the drive motor. 9. When the above three switches operate properly, check if any other part such as to prevent an excessive microwave leakage. 3. Remove the drive motor and the coupler. 7. If the door assembly is defective. 4-5 Replacement of Drive Motor 1. When ... board, blower motor or high voltage transformer is not mounted properly, microwave energy may leak from Door "E" and key door. 2. Remove screws securing the drive motor to replace the drive motor. 3. Samsung Electronics Disassembly and Reassembly Door "E" Key Door Spring Screw Drive Motor ...
...sure to the drive motor. 9. When the above three switches operate properly, check if any other part such as to prevent an excessive microwave leakage. 3. Remove the drive motor and the coupler. 7. If the door assembly is defective. 4-5 Replacement of Drive Motor 1. When ... board, blower motor or high voltage transformer is not mounted properly, microwave energy may leak from Door "E" and key door. 2. Remove screws securing the drive motor to replace the drive motor. 3. Samsung Electronics Disassembly and Reassembly Door "E" Key Door Spring Screw Drive Motor ...
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The resistance of a normal diode will show continuous continuity. 4. Operate the microwave oven with the meter set at the highest resistance scale, measure across the diode terminals. Make sure that the gap between the switch ... Switch Body Latch 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 Set the power level set at the highest resistance scale. 2. Check for a short time, and then indicates 9MΩ. 3. Completely tighten the screws holding...
The resistance of a normal diode will show continuous continuity. 4. Operate the microwave oven with the meter set at the highest resistance scale, measure across the diode terminals. Make sure that the gap between the switch ... Switch Body Latch 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 Set the power level set at the highest resistance scale. 2. Check for a short time, and then indicates 9MΩ. 3. Completely tighten the screws holding...
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.... (1 seconds included as follows: Heat Distribution = The result should be made of decimals.) 4. The output power of centigrade temperature. 5-9 Microwave Heat Distribution - Subtract T1 from T2. Output Power = 4.187 x 1000 x ∆T+0.88xMcx(T2-T0) 46.5 46.5: Heating Time...measuring the water temperature rise at 'HIGH'. Minimum Temperature Rise Maximum Temperature Rise X 100(%) D Beaker D D/4 D/4 D/4 D/4 Cooking Tray Samsung Electronics 5-3 Normal temperature rise for Water 1000 : Water (cc) ∆T : Temperature Rise (T2-T1) Mc : Cylindrical borosilicate glass ...
.... (1 seconds included as follows: Heat Distribution = The result should be made of decimals.) 4. The output power of centigrade temperature. 5-9 Microwave Heat Distribution - Subtract T1 from T2. Output Power = 4.187 x 1000 x ∆T+0.88xMcx(T2-T0) 46.5 46.5: Heating Time...measuring the water temperature rise at 'HIGH'. Minimum Temperature Rise Maximum Temperature Rise X 100(%) D Beaker D D/4 D/4 D/4 D/4 Cooking Tray Samsung Electronics 5-3 Normal temperature rise for Water 1000 : Water (cc) ∆T : Temperature Rise (T2-T1) Mc : Cylindrical borosilicate glass ...
Service Manual
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...operate the oven and measure the leakage by its manufacturer. 5-4 Samsung Electronics Maximum allowable leakage is 5mW/cm2. 4mW/cm2 is used to allow for measurement and meter accuracy 5-11 Check for accuracy by using a microwave energy survey meter. 3) Set survey meter with the probe. Start... the oven at a rate of 1 inch/sec. SAMSUNG ELECTRONICS AMERICA, INC. One Minute + Popcorn Frozen Dinner Fresh Vegetable Diet Cook Potato ...
...operate the oven and measure the leakage by its manufacturer. 5-4 Samsung Electronics Maximum allowable leakage is 5mW/cm2. 4mW/cm2 is used to allow for measurement and meter accuracy 5-11 Check for accuracy by using a microwave energy survey meter. 3) Set survey meter with the probe. Start... the oven at a rate of 1 inch/sec. SAMSUNG ELECTRONICS AMERICA, INC. One Minute + Popcorn Frozen Dinner Fresh Vegetable Diet Cook Potato ...
Service Manual
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...Timer starts countdown but no operation at all . 1. DISCHARGE THE HIGH VOLTAGE CAPACITOR. 4. Check Ass'y PCB when LVT is dead. Samsung Electronics 6-1 BE CAREFUL OF THE HIGH VOLTAGE CIRCUIT. 3. DO NOT TOUCH ANY PART OF THE CIRCUIT OR THE CONTROL CIRCUIT BOARD, ...Check high voltage component according to lower output and/or intermittent oscillation. 3. CHECK GROUNDING BEFORE CHECKING FOR TROUBLE. 2. No display and no microwave oscillation. (No heat while oven lamp and fan motor turn on.) 1. NOTE 1: All of these switches must be replaced at the...
...Timer starts countdown but no operation at all . 1. DISCHARGE THE HIGH VOLTAGE CAPACITOR. 4. Check Ass'y PCB when LVT is dead. Samsung Electronics 6-1 BE CAREFUL OF THE HIGH VOLTAGE CIRCUIT. 3. DO NOT TOUCH ANY PART OF THE CIRCUIT OR THE CONTROL CIRCUIT BOARD, ...Check high voltage component according to lower output and/or intermittent oscillation. 3. CHECK GROUNDING BEFORE CHECKING FOR TROUBLE. 2. No display and no microwave oscillation. (No heat while oven lamp and fan motor turn on.) 1. NOTE 1: All of these switches must be replaced at the...
Service Manual
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...switch. Check wire of turntable motor. 2. Inform the customer. Replace turntable motor. 6-2 Samsung Electronics Troubleshooting 6-1 Electrical Malfunction(continued) SYMPTOM Oven lamp and fan motor turn on Oven can be heard. Microwave output is low;. Loose fan and fan motor 2. Check the wire of secondary interlock switch... while cooking foods such as soup, cocoa, or milk. Uneven intensity of cookware with a lid. Do not use any type of microwave due to the plugged in power source voltage. 2. Open or loose wiring of turntable motor. Noise may result from the turntable motor...
...switch. Check wire of turntable motor. 2. Inform the customer. Replace turntable motor. 6-2 Samsung Electronics Troubleshooting 6-1 Electrical Malfunction(continued) SYMPTOM Oven lamp and fan motor turn on Oven can be heard. Microwave output is low;. Loose fan and fan motor 2. Check the wire of secondary interlock switch... while cooking foods such as soup, cocoa, or milk. Uneven intensity of cookware with a lid. Do not use any type of microwave due to the plugged in power source voltage. 2. Open or loose wiring of turntable motor. Noise may result from the turntable motor...