Control Panel Assembly Removal; Graphic Sheet And Membrane Switch Replacement; Turntable Motor Removal; Cooling Fan Motor Removal - Sharp R-380LS Service Manual

R380L(W)

[7] CONTROL PANEL ASSEMBLY REMOVAL

1. CARRY OUT 3D CHECKS.
2. Disconnect the leads from the control unit.
3. Remove the one (1) screw holding the control panel assembly to
the oven flange.

[8] GRAPHIC SHEET AND MEMBRANE SWITCH REPLACEMENT

1. REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the control panel assembly, referring to chapter of CON-
TROL PANEL ASSEMBLY REMOVAL.
3. Remove the four (4) screws holding the control unit to the control
panel frame. And remove the control unit.
4. Tear away the graphic sheet from the control panel frame.
5. Tear away the membrane switch from the control panel frame.
2. REINSTALL
1. Remove remaining adhesive on the control panel frame surfaces
with a soft cloth soaked in alcohol.
2. Tear the backing paper from the new membrane switch.
3. Insert the ribbon cable of the membrane switch into the slit of the
control panel frame.
4. Adjust the upper edge and right edge of the membrane switch to
the small depression on the surface of the control panel frame.
5. Attach the membrane switch to the control panel frame by rubbing
with a soft cloth not to scratch.
6. Tear the backing paper from the new graphic sheet.
7. Adjust the upper edge and right edge of the graphic sheet to the
large depression on the surface of the control panel frame.
8. Attach the graphic sheet to the control panel frame by rubbing with
a soft cloth not to scratch.

[9] 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.

[10] COOLING FAN MOTOR REMOVAL

1. 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 fol-
lowing 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.
4. Slide the control panel assembly upward and remove it.
5. Now, individual components can be removed.
9. Insert the ribbon cable into the slit of the control unit.
10.Reinstall the control unit to the control panel frame with four (4)
screws.
11. Connect membrane switch's ribbon cable to the connector CN-G of
the control unit.
Control panel frame
Large depression
Figure C-2.Graphic Sheet and Membrane Switch Replacement
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 (XHPS740P08K00) to fit
the turntable motor cover.
• 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.
2. INSTALLATION
1. Install the fan blade to the fan motor shaft according to the following
procedure.
11 – 3
Small
depression
Membrane switch
Graphic sheet