Service Manual
Page 3
... because it is very dangerous to operate H.V. Do not try to adjust or tamper with preset volume on the board. INVERTER POWER SUPPLY DIAGRAM H.V INVERTER(U) * 3 INVERTER SUPPORT BRACKET OF ORIFICE LEAD WIRE HEAT SINK (RECTIFIER BRIDGE) CHOKE COIL CURRENT TRANSFORMER SAND BAR RESISTOR HIGH VOLTAGE TRANSFORMER GROUNDING...very high voltages and high heat energy. For USA only: Do not try to repair Inverter PCB because it is very hot in high voltage and also very hot in ordinary microwave ovens. 2. 3. It is very dangerous to avoid possible electric shock hazards. Very high...
... because it is very dangerous to operate H.V. Do not try to adjust or tamper with preset volume on the board. INVERTER POWER SUPPLY DIAGRAM H.V INVERTER(U) * 3 INVERTER SUPPORT BRACKET OF ORIFICE LEAD WIRE HEAT SINK (RECTIFIER BRIDGE) CHOKE COIL CURRENT TRANSFORMER SAND BAR RESISTOR HIGH VOLTAGE TRANSFORMER GROUNDING...very high voltages and high heat energy. For USA only: Do not try to repair Inverter PCB because it is very hot in high voltage and also very hot in ordinary microwave ovens. 2. 3. It is very dangerous to avoid possible electric shock hazards. Very high...
Service Manual
Page 6
...twice. Auto Cook OPERATION 1. Press Number pads. (Press 3 to 2nd stage cooking. 1.0 0 3. If you pluge the power supply cord into the wall outlet, microwave oven automatically enter into the state of lb / oz. Time Cooking for 1 minute by pressing Number pads. 1 min.= 1 0 0 1.0 0 6. Cooking begins... 1 2. Press Clock pad. Press Auto Cook pad. Set the weight for 5 seconds by pressing Number pads. 1 lb = 1 0 1.0 3. Press Inverter Turbo Defrost pad. Time of day or colon if set appers in the display. 4. Enter time of day or colon if set appears in the...
...twice. Auto Cook OPERATION 1. Press Number pads. (Press 3 to 2nd stage cooking. 1.0 0 3. If you pluge the power supply cord into the wall outlet, microwave oven automatically enter into the state of lb / oz. Time Cooking for 1 minute by pressing Number pads. 1 min.= 1 0 0 1.0 0 6. Cooking begins... 1 2. Press Clock pad. Press Auto Cook pad. Set the weight for 5 seconds by pressing Number pads. 1 lb = 1 0 1.0 3. Press Inverter Turbo Defrost pad. Time of day or colon if set appers in the display. 4. Enter time of day or colon if set appears in the...
Service Manual
Page 10
... Supply Circuit NEW H,V This Inverter Power Supply Circuit supplies 4,000V DC to the microcomputer in the display window. NOTE: The ON/OFF time ratio does not correspond with the percentage of microwave power since approximately 2 seconds are required for respective serving by categories. (B) When cooking time the display window has elapsed, the...
... Supply Circuit NEW H,V This Inverter Power Supply Circuit supplies 4,000V DC to the microcomputer in the display window. NOTE: The ON/OFF time ratio does not correspond with the percentage of microwave power since approximately 2 seconds are required for respective serving by categories. (B) When cooking time the display window has elapsed, the...
Service Manual
Page 12
.... For about the electric charge in the high voltage circuit including filament voltage of the Inverter. When parts must replace Primary latch switch and short switch. The microwave oven is mandatory. As you must be taken during servicing and replacing. The Aluminum heat... sink may work on a 2-wire extension cord. WARNING OF INVERTER POWER SUPPLY (U) GROUNDING Check the High Voltage Inverter Power Supply circuit grounding. CAUTIONS...
.... For about the electric charge in the high voltage circuit including filament voltage of the Inverter. When parts must replace Primary latch switch and short switch. The microwave oven is mandatory. As you must be taken during servicing and replacing. The Aluminum heat... sink may work on a 2-wire extension cord. WARNING OF INVERTER POWER SUPPLY (U) GROUNDING Check the High Voltage Inverter Power Supply circuit grounding. CAUTIONS...
Service Manual
Page 13
... BECOME EXPOSED TO RADIATION FROM THE MICROWAVE GENERATOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY. Microwaves might leak if screws are not properly tightened. (B) Make sure that the screws of the oven, etc. When the appliance is operating.. *h Magnetron *h High voltage transformer (Located on Inverter (U)) *h High voltage diodes (Located on Inverter (U)) *h High voltage capacitors (Located on...
... BECOME EXPOSED TO RADIATION FROM THE MICROWAVE GENERATOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY. Microwaves might leak if screws are not properly tightened. (B) Make sure that the screws of the oven, etc. When the appliance is operating.. *h Magnetron *h High voltage transformer (Located on Inverter (U)) *h High voltage diodes (Located on Inverter (U)) *h High voltage capacitors (Located on...
Service Manual
Page 14
...built up on the orifice assembly. Magnetron (A) Discharge the high voltage capacitors, as follows; The membrane key board is attached to prevent microwave leakage. CAUTION When replacing the magnetron, be avoided. 3. Therefore, applying hot air such as using a hair dryer is as mentioned...the DPC. (A) Disconnect all solder from the terminal pins of more than 30 watts on oven attaching orifice assembly. (C) Remove orifice assembly/Inverter power supply (U) from oven assembly. (Refer page 15) (D) Remove fan blade from escutcheon base. NOTE: Do not use a soldering ...
...built up on the orifice assembly. Magnetron (A) Discharge the high voltage capacitors, as follows; The membrane key board is attached to prevent microwave leakage. CAUTION When replacing the magnetron, be avoided. 3. Therefore, applying hot air such as using a hair dryer is as mentioned...the DPC. (A) Disconnect all solder from the terminal pins of more than 30 watts on oven attaching orifice assembly. (C) Remove orifice assembly/Inverter power supply (U) from oven assembly. (Refer page 15) (D) Remove fan blade from escutcheon base. NOTE: Do not use a soldering ...
Service Manual
Page 21
...alignment of secondary latch switch 2. Open or loose connection of magnetron filament circuit.(Intermittent oscillation) 3. Defective high voltage component HV Inverter Power Supply (u) Magnetron 4. Adjust door and latch switches. Check high voltage component according to DPC troubleshooting Adjust door and latch ... and replace if it has continuity, replace power relay B (RY-1)'s. 1. Oven can program but no operation at all . 2. Microwave output is blown. 3. Fan motor turns on and turntable rotates when door is defective. Defective secondary latch switch 1. Open or loose...
...alignment of secondary latch switch 2. Open or loose connection of magnetron filament circuit.(Intermittent oscillation) 3. Defective high voltage component HV Inverter Power Supply (u) Magnetron 4. Adjust door and latch switches. Check high voltage component according to DPC troubleshooting Adjust door and latch ... and replace if it has continuity, replace power relay B (RY-1)'s. 1. Oven can program but no operation at all . 2. Microwave output is blown. 3. Fan motor turns on and turntable rotates when door is defective. Defective secondary latch switch 1. Open or loose...
Service Manual
Page 23
...short time after start key is pressed and there is dangerous. It is very dangerous to repair this board. Off alignment of inverter board operation is no microwave oscillation with a new one . * Check magnetron filament for open or short to casing before proceeding to determine a good ...or short to casing before proceeding to determine a good magnetron. - 22 - Operating a misaligned Inverter circuit is dangerous due to the very high voltage and current that is pressed and no microwave oscillation. H97, H98, and H99 are OK up to the very high voltage and current ...
...short time after start key is pressed and there is dangerous. It is very dangerous to repair this board. Off alignment of inverter board operation is no microwave oscillation with a new one . * Check magnetron filament for open or short to casing before proceeding to determine a good ...or short to casing before proceeding to determine a good magnetron. - 22 - Operating a misaligned Inverter circuit is dangerous due to the very high voltage and current that is pressed and no microwave oscillation. H97, H98, and H99 are OK up to the very high voltage and current ...
