Service Manual
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Operating Instructions 4. Exploded Views and Parts List 8. Disassembly and Reassembly 5. 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. Schematic Diagrams Troubleshooting 7. Specifications 3. PCB Diagrams 9. Alignment and Adjustments 6. Precaution CONTENTS 2.
Operating Instructions 4. Exploded Views and Parts List 8. Disassembly and Reassembly 5. 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. Schematic Diagrams Troubleshooting 7. Specifications 3. PCB Diagrams 9. Alignment and Adjustments 6. Precaution CONTENTS 2.
Service Manual
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... Notify the Central Service Center if the microwave leakage exceeds 5 mW/cm2 4. Restore any of any possible radiation hazard, replace parts in this manual. always remove the instrument's ground lead last. 10. Any design changes or additions will void the manufacturer's ....10.Always unplug the unit's AC power cord from a "2-prong" AC cord. Inform the manufacturer of the B+ voltage interlocks. SAMSUNG ELECTRONICS AMERICA, INC. Service technicians should be performed to prior to determine cause. Examples include integrated circuits and field-effect transistors. Also...
... Notify the Central Service Center if the microwave leakage exceeds 5 mW/cm2 4. Restore any of any possible radiation hazard, replace parts in this manual. always remove the instrument's ground lead last. 10. Any design changes or additions will void the manufacturer's ....10.Always unplug the unit's AC power cord from a "2-prong" AC cord. Inform the manufacturer of the B+ voltage interlocks. SAMSUNG ELECTRONICS AMERICA, INC. Service technicians should be performed to prior to determine cause. Examples include integrated circuits and field-effect transistors. Also...
Service Manual
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... same ratings, especially for safety are indicated in the circuit diagram by close-tolerance, safety-related components and adjustments. Discharging the High Voltage Capacitor 1-2 Samsung Electronics A replacement part that the power is OFF, and one of the special components. Before touching any cook cycle. High voltage is present during any components or...
... same ratings, especially for safety are indicated in the circuit diagram by close-tolerance, safety-related components and adjustments. Discharging the High Voltage Capacitor 1-2 Samsung Electronics A replacement part that the power is OFF, and one of the special components. Before touching any cook cycle. High voltage is present during any components or...
Service Manual
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...the leads correctly and firmly. Disconnect all the leads. 3. Remove the air cover. 3. V. Disconnect all lead wires from the back panel. 6. Samsung Electronics Bolts H. Lamp Thermo S/W 1. Remove screws from the magnetron and lamp. 2. NOTE1: When removing the magnetron, make sure that its antenna does... not hit any adjacent parts, or it may be sure to the wave guide. 4. V. Remove screws securing the magnetron to remount the magnetron gasket in the correct...
...the leads correctly and firmly. Disconnect all the leads. 3. Remove the air cover. 3. V. Disconnect all lead wires from the back panel. 6. Samsung Electronics Bolts H. Lamp Thermo S/W 1. Remove screws from the magnetron and lamp. 2. NOTE1: When removing the magnetron, make sure that its antenna does... not hit any adjacent parts, or it may be sure to the wave guide. 4. V. Remove screws securing the magnetron to remount the magnetron gasket in the correct...
Service Manual
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...voltage transformer is not mounted properly, microwave energy may leak from the space between the inner door surface and oven front surface. Samsung Electronics Disassembly and Reassembly Door "E" Key Door Spring Screw Drive Motor Drive Motor Cover Base Plate Thermo Switch 4-3 Remove pin ...alignment. 4. Do the microwave leakage test. 4-4 Replacement of Key Door & Spring 1. Screw the drive motor cover to use an exact replacement part. Remove a screw securing the drive motor cover. 4. 4-3-4 Removal of Fuse 1. If new 15A fuse blows out again after replacement, check the...
...voltage transformer is not mounted properly, microwave energy may leak from the space between the inner door surface and oven front surface. Samsung Electronics Disassembly and Reassembly Door "E" Key Door Spring Screw Drive Motor Drive Motor Cover Base Plate Thermo Switch 4-3 Remove pin ...alignment. 4. Do the microwave leakage test. 4-4 Replacement of Key Door & Spring 1. Screw the drive motor cover to use an exact replacement part. Remove a screw securing the drive motor cover. 4. 4-3-4 Removal of Fuse 1. If new 15A fuse blows out again after replacement, check the...
Service Manual
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... resistance of Primary Switch, Door Sensing Switch and Monitor Switch Precaution For continued protection against radiation hazard, replace parts in both directions). Set the power level set at the highest resistance scale, measure across the diode terminals....9MΩ. 5. Confirm that the oven door will be used to check the front-to use the correct part number for the following the components test procedures. 5. The relays are located on the PCB Ass'y. Operate the...(COM-NC) Door Sensing S/W Door Open ∞ 0 ∞ Door Closed 0 ∞ 0 5-2 Samsung Electronics
... resistance of Primary Switch, Door Sensing Switch and Monitor Switch Precaution For continued protection against radiation hazard, replace parts in both directions). Set the power level set at the highest resistance scale, measure across the diode terminals....9MΩ. 5. Confirm that the oven door will be used to check the front-to use the correct part number for the following the components test procedures. 5. The relays are located on the PCB Ass'y. Operate the...(COM-NC) Door Sensing S/W Door Open ∞ 0 ∞ Door Closed 0 ∞ 0 5-2 Samsung Electronics
Service Manual
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... glass weight To : Room temperature. 7. Subtract T1 from T2. This will lower the magnetron output. 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 The output power of the magnetron can be made of Magnetron Alignment and Adjustments CAUTION MICROWAVE RADIATION PERSONNEL SHOULD NOT ALLOW EXPOSURE TO MICROWAVE...
... glass weight To : Room temperature. 7. Subtract T1 from T2. This will lower the magnetron output. 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 The output power of the magnetron can be made of Magnetron Alignment and Adjustments CAUTION MICROWAVE RADIATION PERSONNEL SHOULD NOT ALLOW EXPOSURE TO MICROWAVE...
Service Manual
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... in good condition, functioning properly and the identical parts are replaced as shown in the center of the oven. 2) Start to operate the oven and measure the leakage by its manufacturer. 5-4 Samsung Electronics Pour 275±15cc of 20±5ûC(68±9ûF) water in a beaker ..., and place the beaker in the following photo.( but avoid the high voltage components.) The neading should be less than 5mW/cm2. 5-12. SAMSUNG ELECTRONICS AMERICA, INC. If it gets closer than 2 inches, erroneous readings may result when the operator's hand is between the handle and the probe...
... in good condition, functioning properly and the identical parts are replaced as shown in the center of the oven. 2) Start to operate the oven and measure the leakage by its manufacturer. 5-4 Samsung Electronics Pour 275±15cc of 20±5ûC(68±9ûF) water in a beaker ..., and place the beaker in the following photo.( but avoid the high voltage components.) The neading should be less than 5mW/cm2. 5-12. SAMSUNG ELECTRONICS AMERICA, INC. If it gets closer than 2 inches, erroneous readings may result when the operator's hand is between the handle and the probe...
Service Manual
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... BE CAREFUL OF THE HIGH VOLTAGE CIRCUIT. 3. 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. ALWAYS TOUCH GROUND WHILE WORKING ON IT TO DISCHARGE ANY STATIC CHARGE BUILT UP.... of primary, interlock monitor, door sensing switch. Fuse is dead. Key input is defective. Defective Ass'y PCB Refer to operation procedure. Samsung Electronics 6-1 No display and no operation at the same time. (refer to component test procedure and replace if it has continuity, replace ...
... BE CAREFUL OF THE HIGH VOLTAGE CIRCUIT. 3. 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. ALWAYS TOUCH GROUND WHILE WORKING ON IT TO DISCHARGE ANY STATIC CHARGE BUILT UP.... of primary, interlock monitor, door sensing switch. Fuse is dead. Key input is defective. Defective Ass'y PCB Refer to operation procedure. Samsung Electronics 6-1 No display and no operation at the same time. (refer to component test procedure and replace if it has continuity, replace ...
Service Manual
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... Loose wiring of fan motor. Do not use any type of the food with metallic trimming. Replace turntable motor. 6-2 Samsung Electronics Turntable motor does not rotate. Defective secondary interlock S/W 1. Wrap thinner parts of cookware with aluminum foil. Oven stops operation during cooking Sparks Uneven cooking CAUSE 1. Open or loose wiring of secondary...
... Loose wiring of fan motor. Do not use any type of the food with metallic trimming. Replace turntable motor. 6-2 Samsung Electronics Turntable motor does not rotate. Defective secondary interlock S/W 1. Wrap thinner parts of cookware with aluminum foil. Oven stops operation during cooking Sparks Uneven cooking CAUSE 1. Open or loose wiring of secondary...
Service Manual
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Exploded Views and Parts List 7-1 Exploded Views D5 D4 D1 D7 D6 D2 D3 1 M29 M26 M27 M2 M3 M4 M5 M24 M25 M23 C5 C4 C6 C7 C2 C3 C1 M22 M28 M21 M20 M11 B1 M12 M31 M6 M30 M8 M10 M7 B2 B3 M9 B4 M14 M13 M15 M19 M16 M17 M18 Samsung Electronics 7-1 7.
Exploded Views and Parts List 7-1 Exploded Views D5 D4 D1 D7 D6 D2 D3 1 M29 M26 M27 M2 M3 M4 M5 M24 M25 M23 C5 C4 C6 C7 C2 C3 C1 M22 M28 M21 M20 M11 B1 M12 M31 M6 M30 M8 M10 M7 B2 B3 M9 B4 M14 M13 M15 M19 M16 M17 M18 Samsung Electronics 7-1 7.
Service Manual
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...345 565 MOTOR-DRIVE;M2HJ49ZR02,ST-16 21V 5/6 COVER-MGT;PP T2.0 WHT M745 ASSY CONTROL-BOX;120V60HZ MW5480W /XAA WHT ASSY CONTROL-BOX;120V60HZ MW5481G GRAY(NEWG ASSY CONTROL-BOX;120V60HZ MW5380W WHT8 ASSY CONTROL-BOX;... 34 58 ASSY-THERMOSTAT;MW5574W 160/60 187-HORIZ Q'ty Remarks 1 MW5480W 1 MW5380W 1 MW5481G/MW5381G 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 MW5480W 1 MW5481G 1 MW5380W 1 MW5381G 1 MW5480W/MW5380W 1 MW5481G/MW5381G 1 1 1 1 1 1 1 : Warning :Electrostatically Sensitive Devices 7-2 Samsung Electronics No. Parts No. Exploded Views and Parts List 7-2 Main Parts List Ref.
...345 565 MOTOR-DRIVE;M2HJ49ZR02,ST-16 21V 5/6 COVER-MGT;PP T2.0 WHT M745 ASSY CONTROL-BOX;120V60HZ MW5480W /XAA WHT ASSY CONTROL-BOX;120V60HZ MW5481G GRAY(NEWG ASSY CONTROL-BOX;120V60HZ MW5380W WHT8 ASSY CONTROL-BOX;... 34 58 ASSY-THERMOSTAT;MW5574W 160/60 187-HORIZ Q'ty Remarks 1 MW5480W 1 MW5380W 1 MW5481G/MW5381G 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 MW5480W 1 MW5481G 1 MW5380W 1 MW5381G 1 MW5480W/MW5380W 1 MW5481G/MW5381G 1 1 1 1 1 1 1 : Warning :Electrostatically Sensitive Devices 7-2 Samsung Electronics No. Parts No. Exploded Views and Parts List 7-2 Main Parts List Ref.
Service Manual
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... MW5381G MW5480W/MW5380W MW5481G/MW5381G 7-5 Body Latch Parts List Ref. Description/Specification B 1 DE66-40001A LATCH-BODY;POM(F20-02) 40GR NTR B 2 3405-000178 SWITCH-MICRO;250V,15A,200gf,SPST-NO B 3 3405-000175 SWITCH-MICRO;250V,15A,200gf,SPST-NO B 4 DE66-90001A LEVER-SWITCH;P.O.M(F20-02) 2 6 NTR 2ND-W Samsung Electronics Q'ty Remarks 1 2 1 1 7-3 Parts No. Parts No...
... MW5381G MW5480W/MW5380W MW5481G/MW5381G 7-5 Body Latch Parts List Ref. Description/Specification B 1 DE66-40001A LATCH-BODY;POM(F20-02) 40GR NTR B 2 3405-000178 SWITCH-MICRO;250V,15A,200gf,SPST-NO B 3 3405-000175 SWITCH-MICRO;250V,15A,200gf,SPST-NO B 4 DE66-90001A LEVER-SWITCH;P.O.M(F20-02) 2 6 NTR 2ND-W Samsung Electronics Q'ty Remarks 1 2 1 1 7-3 Parts No. Parts No...
Service Manual
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Exploded Views and Parts List 7-6 Standard Parts List Parts No. DE60-10082A DE60-10088A DE60-10082A DE60-10082A DE60-10082A DE60-10082A DE60-10080A DE60-10080A DE60-10033A DE60-10082A DE60-10033A DE60-10045A ... Q'ty Remarks 2 BASE 2 PCB 2 B-LATC 2 C-PANE 5 O-PANEL 1 P/EART 4 HVT 4 MGT 2 HI-LOW 2 C-BLOW 2 HI-UPP 2 MGT-TC 1 MEM-PN 1 CV-TCO 2 M/GEAR 1 FUSE-H Q1 B/HVC 7-4 Samsung Electronics
Exploded Views and Parts List 7-6 Standard Parts List Parts No. DE60-10082A DE60-10088A DE60-10082A DE60-10082A DE60-10082A DE60-10082A DE60-10080A DE60-10080A DE60-10033A DE60-10082A DE60-10033A DE60-10045A ... Q'ty Remarks 2 BASE 2 PCB 2 B-LATC 2 C-PANE 5 O-PANEL 1 P/EART 4 HVT 4 MGT 2 HI-LOW 2 C-BLOW 2 HI-UPP 2 MGT-TC 1 MEM-PN 1 CV-TCO 2 M/GEAR 1 FUSE-H Q1 B/HVC 7-4 Samsung Electronics
Service Manual
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P.C.B Diagrams 8-2 P.C.B Parts List Parts No. 0401-001002 0402-000559 0501-000283 0504-001014 0504-001015 1405-000129 2001-000037 2001-000273 2001-000290 2001-000429 2001-000515 2001-000577 ... 1 C10 4 C05~07,11 1 C14 1 C08 1 C03 2 C01,02 1 X-TAL 1 RY02 1 RY01 1 CON05 1 CON01 1 CON04 3 ZD01~03 1 VFD1 1 IC01 1 IC02 1 LVT1 1 BUZ1 25 J01~25 8 1* 8-2 Samsung Electronics
P.C.B Diagrams 8-2 P.C.B Parts List Parts No. 0401-001002 0402-000559 0501-000283 0504-001014 0504-001015 1405-000129 2001-000037 2001-000273 2001-000290 2001-000429 2001-000515 2001-000577 ... 1 C10 4 C05~07,11 1 C14 1 C08 1 C03 2 C01,02 1 X-TAL 1 RY02 1 RY01 1 CON05 1 CON01 1 CON04 3 ZD01~03 1 VFD1 1 IC01 1 IC02 1 LVT1 1 BUZ1 25 J01~25 8 1* 8-2 Samsung Electronics