Sharp Carousel R-350J, Руководство по обслуживанию

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R-350J
20
Side View
Rear View
POWER SUPPLY CORD REPLACEMENT
Gap
Rotor Bracket
Stator
Groove joint pliers
Coil
Shaft
Axis
Stator
Rotor
These are the positions
that should be pinched
with pliers.
Shaft
Table Center of
bracket
TURNTABLE MOTOR REMOVAL
1. Disconnect the power supply cord.
2. Remove turntable and turntable support from oven cavity.
3. Lay the oven on it's backside. Remove the turntable motor
cover by snipping off the material in four corners.
4. Where the corners have been snipped off bend corner areas
flat. No sharp edges must be evident after removal of the
turntable motor cover.
5. Disconnect wire leads from turntable motor.
(See "Positive lock connector removal")
6. Remove one (1) screw holding turntable motor to oven cavity.
7. Now the turntable motor is free.
8. After replacement use the one (1) screw
(XHPSD40P08K00)
to fit the turntable motor cover.
COOLING FAN MOTOR REMOVAL
REMOVAL
1. CARRY OUT 3D CHECKS.
2. Disconnect the wire leads from the fan motor.
3. Remove the two (2) screws holding the fan motor to the oven
cavity back plate.
4. Remove the fan blade from the fan motor shaft according to
the following procedure.
5. Hold the edge of the rotor of the fan motor by using a pair of
groove joint pliers.
CAUTION:
*
Make sure that no metal pieces enter the gap between
the rotor and the stator of the fan motor because the
rotor is easily shaven by pliers and metal pieces may be
produced.
* Do not touch the pliers to the coil of the fan motor
because the coil may be cut or injured.
* Do not disfigure the bracket by touching with the pliers.
6. Remove the fan blade from the shaft of the fan motor by
pulling and rotating the fan blade with your hand.
7. Now, the fan blade will be free.
CAUTION:
*
Do not reuse the removed fan blade because the hole (for
shaft) may be larger than normal.
8. Now, the fan motor is free.
INSTALLATION
1. Install the fan blade to the fan motor shaft according to the
following procedure.
2. Hold the center of the bracket which supports the shaft of the
fan motor on the flat table.
3. Apply the screw lock tight into the hole (for shaft) of the fan
blade.
4. Install the fan blade to the shaft of fan motor by pushing the
fan blade with a small, light weight, ball peen hammer or
rubber mallet.
5. Install the fan motor to the oven cavity back plate with the two
(2) screws.
CAUTION:
*
Do not hit the fan blade strongly when installed because
the bracket may be disfigured.
* Make sure that the fan blade rotates smooth after
installation.
* Make sure that the axis of the shaft is not slanted.
6. Connect the wire leads to the fan motor, referring to the
pictorial diagram.
Printed wiring board
of CPU unit
Liquid Crystal
Display (LCD)
Ribbon cable
CPU UNIT
NOTE: Handle the CPU unit carefully so that the ribbon cable
does not come off. Because the ribbon cable is sticked
on the LCD and the printed wiring board only by heated
paste.
Figure C-2. CPU unit
Removal
1. CARRY OUT 3D CHECKS.
2. Remove the single (1) screw holding the green/yellow wire to
the oven cavity back plate.
3. Disconnect the leads of the power supply cord from the noise
filter, referring to the Figure C-3(a).
4. Release the moulding cord stopper of the power supply cord
from the square hole of the oven cavity back plate, referring
to the Figure C-3(b).