Service Manual
Page 7
... the oven working . It mainly consists of interlock switches (S1, S2), and monitor switch (S3), door hook and starting mechanism of a microwave oven. fuse main latch switch S1 There fixed hooks on it would cut off , when the heating time is settled, the gear switch is under preparation of...is working . When it reaches the settled time, it would immediately make the 120V voltage short-circuited and blow up the fuse, and will never let the microwave oven working immediately (FIG.2-5b). When the timer is at conducted condition, the monitor switch would insert into the rectangle hole...
... the oven working . It mainly consists of interlock switches (S1, S2), and monitor switch (S3), door hook and starting mechanism of a microwave oven. fuse main latch switch S1 There fixed hooks on it would cut off , when the heating time is settled, the gear switch is under preparation of...is working . When it reaches the settled time, it would immediately make the 120V voltage short-circuited and blow up the fuse, and will never let the microwave oven working immediately (FIG.2-5b). When the timer is at conducted condition, the monitor switch would insert into the rectangle hole...
Service Manual
Page 9
...would enlarge at this chapter. Recently, with the installation of noise filter in the current resistant trough, the effect to restrain the microwave leakage (include high subharmonic) have introduced the structure and the working principle of steel filament or a thin metal plate with the... of electricity, so it possible to observe the heating as well as follows: 1) Assemble a layer of the microwave oven previously. Although there is not operated L 120V 60Hz FUSE MONITOR SWITCH THERMAL CUTOUT (MAG.) (OVEN) N SECONDARY SWITCH PRIMARY SWITCH POWER RELAY C OVEN LAMP L FAN ...
...would enlarge at this chapter. Recently, with the installation of noise filter in the current resistant trough, the effect to restrain the microwave leakage (include high subharmonic) have introduced the structure and the working principle of steel filament or a thin metal plate with the... of electricity, so it possible to observe the heating as well as follows: 1) Assemble a layer of the microwave oven previously. Although there is not operated L 120V 60Hz FUSE MONITOR SWITCH THERMAL CUTOUT (MAG.) (OVEN) N SECONDARY SWITCH PRIMARY SWITCH POWER RELAY C OVEN LAMP L FAN ...
Service Manual
Page 13
...supply cord 11 Pull out all the terminals of the transformer. 2. Take off the earthing screw which fix the board on the oven. 3. Turn the microwave over. 3. Plug in the two terminals of the magnetron filament and the thermal cutout. 1.9 THE TRANSFORMER Firstly, do as the 1, 2, and 3 ...is earthing here. 2. Dismantling steps for the high voltage winding is stuck on the oven. (4-10). 4. Take off the fan holder. 5. Take off the fan from the thermal cutout and the fuse housing separately, and take off the right baseboard with the transformer after loosened the four screws,...
...supply cord 11 Pull out all the terminals of the transformer. 2. Take off the earthing screw which fix the board on the oven. 3. Turn the microwave over. 3. Plug in the two terminals of the magnetron filament and the thermal cutout. 1.9 THE TRANSFORMER Firstly, do as the 1, 2, and 3 ...is earthing here. 2. Dismantling steps for the high voltage winding is stuck on the oven. (4-10). 4. Take off the fan holder. 5. Take off the fan from the thermal cutout and the fuse housing separately, and take off the right baseboard with the transformer after loosened the four screws,...
Service Manual
Page 14
...and 3 steps of Ⅲ of this part. Place the capacitor in the fan holder trough (FIG.4-15). 3. To assemble, magnetron transformer 12 H.V.fuse capacitor Fig.4-16 diode Loosen and take out the screw which fix the capacitor clip. 4. To disassemble, 1. To disassemble, 1. After assembled, check whether... clip and the capacitor. (4-15). 1. Loosen the screw, which plugged in all the plugs of the capacitor out (4-15). 2. fuse housing earthing screw power supply cord Fig.4-12 fan motor back board fan Fig.4-13 Fig.4-14 screw 1.11 THE CAPACITOR Firstly, do ...
...and 3 steps of Ⅲ of this part. Place the capacitor in the fan holder trough (FIG.4-15). 3. To assemble, magnetron transformer 12 H.V.fuse capacitor Fig.4-16 diode Loosen and take out the screw which fix the capacitor clip. 4. To disassemble, 1. To disassemble, 1. After assembled, check whether... clip and the capacitor. (4-15). 1. Loosen the screw, which plugged in all the plugs of the capacitor out (4-15). 2. fuse housing earthing screw power supply cord Fig.4-12 fan motor back board fan Fig.4-13 Fig.4-14 screw 1.11 THE CAPACITOR Firstly, do ...
Service Manual
Page 17
...cutout, the transformer or the capacitor are connected well. Such as normal. If open circuit occurs, then you must check whether the 8A fuse is broken、the primary winding of the transformer is open circuit、the thermal cutout is open circuit or not, you must be ...proceed in order, any . circuited. 1.17.3 EXAMINATION OF MICROWAVE LEAKAGE Measure the microwave leakage with the probe of the measure. When measure, the moving 15 It is normal if the cabinet disordered a little, but the ...
...cutout, the transformer or the capacitor are connected well. Such as normal. If open circuit occurs, then you must check whether the 8A fuse is broken、the primary winding of the transformer is open circuit、the thermal cutout is open circuit or not, you must be ...proceed in order, any . circuited. 1.17.3 EXAMINATION OF MICROWAVE LEAKAGE Measure the microwave leakage with the probe of the measure. When measure, the moving 15 It is normal if the cabinet disordered a little, but the ...
Service Manual
Page 19
... is normal between the two poles of the capacitor. If the magnetron is normal. pliers. 1.17.5 EXAMINE THE STARTING AND THE 8A FUSE OF THE MICROWAVE OVEN Pull out the power plug, take off the cabinet, discharge the capacitor, measure the resistance value of the primary winding and the ...a new, 17 If the transformer is short circuited or has a number reading, it with a screwdriver, if the reading of an multimeter. Fig.5-9 Fig.5-10 Fig.5-11 Fig.5-12 If the resistance value of the switch, the resistance value should be "∞" (FIG.5 - 8). If it with an multimeter (FIG...
... is normal between the two poles of the capacitor. If the magnetron is normal. pliers. 1.17.5 EXAMINE THE STARTING AND THE 8A FUSE OF THE MICROWAVE OVEN Pull out the power plug, take off the cabinet, discharge the capacitor, measure the resistance value of the primary winding and the ...a new, 17 If the transformer is short circuited or has a number reading, it with a screwdriver, if the reading of an multimeter. Fig.5-9 Fig.5-10 Fig.5-11 Fig.5-12 If the resistance value of the switch, the resistance value should be "∞" (FIG.5 - 8). If it with an multimeter (FIG...
Service Manual
Page 23
...The power plug and the socket are not in open-circuited. The magnetron filament is not rotating. 5. circuited, the magnetic steel of microwave leakage CAUSE 8A fuse broken. Change a new pilot switch. The interlock switch hasn't closed. Time and power distributor broken. The turntable motor broken The ... the oxidized and Change the time power distributor or the micro-switch. The plugs of the capacitor is not on 4. COMMON BREAKDOWN OF MICROWAVE OVEN AND MEANS OF REPAIRING PHENOMENON 1. When starting the oven, the lamp is punctured. The food can 't be heated, but the...
...The power plug and the socket are not in open-circuited. The magnetron filament is not rotating. 5. circuited, the magnetic steel of microwave leakage CAUSE 8A fuse broken. Change a new pilot switch. The interlock switch hasn't closed. Time and power distributor broken. The turntable motor broken The ... the oxidized and Change the time power distributor or the micro-switch. The plugs of the capacitor is not on 4. COMMON BREAKDOWN OF MICROWAVE OVEN AND MEANS OF REPAIRING PHENOMENON 1. When starting the oven, the lamp is punctured. The food can 't be heated, but the...
Service Manual
Page 26
... wire fastener 1 P31 GA-EM-U1000P31 fan shroud 1 P06 GA-EM-U1000P06 foot 4 P32 GA-EM-U1000P32 fan blade 1 P07 GA-EM-U1000P07 sponge 1 P33 GA-EM-U1000P33 fuse holder 1 P08 GA-EM-U1000P08 transformer holder 1 P34 GA-EM-U1000P34 foam cushion 1 P09 GA-EM-U1000P09 shockproof rubber 1 P35 GA-EM-U1000P35 foam cushion 1 P10 GA-EM-U1000P10 microswitch mounting 1 P36...
... wire fastener 1 P31 GA-EM-U1000P31 fan shroud 1 P06 GA-EM-U1000P06 foot 4 P32 GA-EM-U1000P32 fan blade 1 P07 GA-EM-U1000P07 sponge 1 P33 GA-EM-U1000P33 fuse holder 1 P08 GA-EM-U1000P08 transformer holder 1 P34 GA-EM-U1000P34 foam cushion 1 P09 GA-EM-U1000P09 shockproof rubber 1 P35 GA-EM-U1000P35 foam cushion 1 P10 GA-EM-U1000P10 microswitch mounting 1 P36...