Galanz WP700AL17-K4 Service Manual Download Page 13

a magnetron, the

 lustre at

 be polished with a sand paper (FIG.4 -7).

2.

 the

 of the magnetron antenna to the hole of the wave

 housing, tighten the four screws of the

magnetron

 and

 tighten the screws of the lampshade (FIG.4 - 8).

3.

 in the

 terminals of the magnetron filament and the thermal cutout.

4.5 THE

Firstly, do as the 1,2,3, steps at III of this
Dismantling steps for the transformer: (as FIG.4 -9).

 out

 the terminal of the transformer.

2. Turn the microwave over.
3. Take

 the right baseboard with the transformer

 loosened the four

 which fix the board on the

oven.
Take off the four screws, a, b,  d with

 screwdriver.

4.

5. Take off the right baseboard, the seat and the rubber space

 the transformer and the oven.

base board

transformer

Fig. 4-10

Fig. 4-9

to mount the transformer,

1. Place the transformer as the FIG.4 - 9, tear off the protective paper of the rubber lining tape, stick it on the

transformer as shown on the figurę. Then put on the seat and the right base board,

 the screw

hole

 tallied, then tighten the four screws for the high voltage winding is

 here.

2. Fix the transformer on the oven as

 off the protect paper of the rubber

 set it between the

transformer and the oven,

 the adhesive side is sticked on the oven.

3.

 in all the terminals of the transformer precisely.

 THE FAN

Firstly, do as the 1, 2, 3, steps of III of this part.

To

 out the two terminal of the fan motor (FIG.

2. According to the FIG.4 -12,

 out the

 which

marked "A" and "C" from the thermal cutout and the fuse
housing separately, and take off the earthing screw which
marked "B"

3. Take out the power supply cord from the trough as the

figurę shows.

4. Loosen the screws shown on the FIG.4 -13 with a

 -

screwdriver, and take off the fan holder.

 supply cord

12

Summary of Contents for WP700AL17-K4

Page 1: ...Galanz MicrowaveOven MODEL WP700AP17 WP700AL17 K4 WP800AP20 WP800AL20 K4 Service Manua...

Page 2: ...OF MICROWAVE 3 2 THE STRUCTURE AND WORKING PRINCIPLE OF MICROWWAVE OVEN 4 2 1 HIGH VOLTAGE RECTIFYING CIRCUIT 4 2 2 MICROWAVE GENERATER 5 2 3 COOLING SYSTEM 5 2 4 ELECTRIC CONTROL SYSTEM 5 3 TYPICAL...

Page 3: ...ansmission lin and cavity for properalignment integrity and connections D Any defective or misaligned components in the interlock monitor door seal and microwave generation and transmission systems sh...

Page 4: ...tens billion times per second so do the molecule This kind of molecule swaying producing similar frictional heat from the interference and b ock of the action strength among the molecule and changed...

Page 5: ...e generator to keep the oven working steadily from a too high temperatur If something wrong with the cooling system cause the temperatur too high the control system would cut off the power automatical...

Page 6: ...anod and would be harmful to the anod In order to reduce the surge voltage the filament of the magnetron must be connected as the FIG 2 3 shown In this figur when the anod current of the magnetron cir...

Page 7: ...S2 ar closed due to the pilot switch S3 still at conducted condition would m k the 220V voltage short circuited and fused the fuse and will never let the microwave oven working when the door is open F...

Page 8: ...vity that can contain many kinds of oscillating models simultaneously Microwave enters into the oven cavity through the wave guide and the coupling appliance and most of its energy is absorbed by the...

Page 9: ...e theory of THETRANSFERING LIN ONE FOURTHWAYE LENGTH IMPEDANCE CHANGER Although there is no connecting point from a mechanical point It is sealed at the seam from the point of electricity so it is cal...

Page 10: ...point of the thermal cutout S6 S6 will be cut off immediately to cut off the power supply to the magnetron and the magnetron will stops working right away The PC board is cut off to prevent the magne...

Page 11: ...frame from the doorplate FIG 4 2 dc 10 Take off the hook spring with a pointed plier then the hook combination 11 Clamp the window pi te with hand push it down according to the arrow direction and tak...

Page 12: ...TROL PANEL AND THE DOOR RELEASE WECHANISM Puli out the power p ug Take off the cabinet Discharge between one end of the capacitor and the baseboard with a screwdriver To disassemble 1 Puli out the ter...

Page 13: ...sformer 1 Place the transformer as the FIG 4 9 tear off the protective paper of the rubber lining tape stick it on the transformer as shown on the figur Then put on the seat and the right base board m...

Page 14: ...Fig 4 12 fan motor ack b ard Fig 4 14 Fig 4 13 4 7 THE CAPACITOR Firstly do as the 1 2 3 steps of III of this part To disassemble 1 Puli the wires of the capacitor out 4 15 2 Loosen and take out the s...

Page 15: ...ecting hole and fix the motor with two screws FIG 4 17 2 P ug in the two wires 3 Assemble and fix the middle base board with two screws FIG 4 18 4 Turn the oven back 5 As the FIG 4 19 shown fix in the...

Page 16: ...el Fig 4 22 light tough switch control panel baseboard with a screwdriver Means of dismantling the PC board and door release mechanism 1 Puli out all the terminal p ug of the PC board 2 Loosen out the...

Page 17: ...is closed 5 1 2 LISTENING Listening to the sound of the oven operating and the noise of the fan Minor wen wen noise cycling kala noise and shishi noise should be considered as normal But it is abnorm...

Page 18: ...e high voltage If no voltage at all it indicates that the transformer has broken and should be replaced by a new one If it is enough to 2100V then check the filament voltage of the transformer with al...

Page 19: ...rmal If the indicator of the avometer can t point out from zero to nine megaohms it indicates the high voltage capacitor has broken and should be replaced by a new one If it is normal between the two...

Page 20: ...ok If the leakage is the larger side at the right above of the oven then adjust the upper screw as FIG 5 15 Loosen out the screw push the door close to the oven to hook the door hook with the plastic...

Page 21: ...the felt ar soaked with kerosene then the engine oil can not be sucked up After the bearing being cleaned the felt should be refueled fully with engine oil for when the oven is operating the engine oi...

Page 22: ...cause of the excessive leakage 4 Ho d the oven in your facility and instruct the owner not to use the unii until the oven has 3 In the event that the oven operates with the door open The following pr...

Page 23: ...a new transformer Change the magnetron Change the time power distributor or the micro switch Fix them 3 The food can be heated but the lamp is not on The lamp broken The p ug falls off Change a new la...

Page 24: ...g the wear and the rust eaten eniarged the gap of the door shaft and the shaft hole thus cause the door crooked The door hook broken Adjust the hinge to rectify the position of the door Change the hoo...

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