Page 7 - Stands for loss angle tangent of the heated matter.
6 120V K Stands for a constant E Stands for the microwave frequency. f Stands for the microwave frequency. tg δ Stands for loss angle tangent of the heated matter. Er Stands for relative dielectric constant of the heated matter. 2 2 . . T T H H E E S S T T R R U U C C T T U U R R E E A A N N D D W W...
Page 11 - SCHEMATIC DIAGRAM; Unit is not operated
10 front door plate Fig.2-9 current-resistant constructure oven door noise filter 8). It is the most liable place where microwave leakage occurs. Especially, after a long time using, the microwave leakage would enlarge at the hinge and the hook. Anyway, mechanic damage would also cause large amount ...
Page 14 - screwe
13 FIG.4 – 1. 4. Tear off the adhesive protective paper of the lining and stick it on the door as FIG.4 – 1, slip the hook on the doorframe, and fix the doorframe on the door, tighten it with “+” – screws. After assembled, check whether the hook working in normal and whether the hinge (UP) is its po...
Page 15 - Pull out all the terminal of the transformer.; transformer
14 fan motor power supply cord Fig.4-11 lead magnetron vertically, and also tighten the screws of the lampshade (FIG.4 - 8). 3. Plug in the two terminals of the magnetron filament and the thermal cutout. 4 4 . . 5 5 T T H H E E T T R R A A N N S S F F O O R R M M E E R R . . Firstly, do as the 1,2,3...
Page 16 - capacitor; place of the fan motor shaft, and fix the fan on the
15 earthing screw fuse housing power supply cord Fig.4-12 Fig.4-15 diode capacitor fan holder screw capacitor transformer H.V.fuse Fig.4-16 magnetron diode 1. Assemble the fan motor as FIG.4 – 14. Drip the glue on the “ ★” place of the fan motor shaft, and fix the fan on the motor, make sure it must...
Page 17 - Plug in the two wires.
16 Fig.4-17 Fig.4-18 1. Insert one end of the diode to one feet of the capacitor’s connect piece. 2. Fix the diode with one screw (pay attention to the polarity of the diode, refer to FIG.4 - 16). 4 4 . . 9 9 T T H H E E T T U U R R N N T T A A B B L L E E C C O O M M B B I I N N A A T T I I O O M M...
Page 18 - light tough switch
17 front door pla latch switch hold screw Fig.4-21 Fig.4-22 light tough switch PC board control panel Fig.4-23 control panel light tough switch door to check whether the door is flexible. If it does, back and front position of the holder should be adjusted. Provided the up hook is loose, the door sh...
Page 19 - glass tray; the primary winding of the transformer is open circuit
18 Fig.5-1 glass tray 5 5 . . B B R R E E A A K K D D O O W W N N A A N N A A L L Y Y S S I I S S A A N N D D T T H H E E M M E E A A N N S S O O F F O O V V E E R R H H A A U U L L I I N N G G Before overhauling a microwave oven, you should judge the breakdown and the cause correctly, then you can ...
Page 20 - . If the reading is very small, and near to short circuit, it
19 speed of the probe should not exceed 25mm per second, and the measuring direction should be the same with the outing direction of the probe should not exceed 25mm per second, and the measuring direction should be the same with the outing direction of the microwave leakage (FIG.5 - 2).. When measu...