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6. Tear away the membrane switch from the control panel
frame.
Installation
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. Tear the small backing paper from the ribbon cable of
the membrane switch.
10. Attach the ribbon cable to the control panel frame rear
side.
11. Place the edge of the membrane switch's ribbon cable
on the lower portion of the liquid crystal display.
12. Insert the rubber connector into the long slit on the
control panel frame.
13. Reinstall the control unit to the control panel frame with
the three (3) screws.
NOTE: Do not contact the conductor portion of the
Removal
1. Disconnect the oven from the power supply.
2. Remove the turntable and turntable support from the
oven cavity.
3. Turn the oven over.
4. Remove the one (1) screw holding the turntable motor
cover to the bottom plate.
5. Now, the turntable motor cover is free.
6. Disconnect the wire leads from the turntable motor.
7. Remove the single (1) screw holding the turntable
motor to the oven cavity.
8. Remove the turntable motor from the oven cavity.
9. Remove the TTM packing from the turntable motor.
10.Now, the turntable motor is free.
REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the magnetron from the waveguide. Refer to
chapter "MAGNETRON REMOVAL"
3. Disconnect the wire leads from the fan motor.
4. Release the wire leads from the hole of the fan duct.
5. Remove the two (2) screws holding the fan duct to the
oven cavity.
6. Release the fan motor assembly from the oven cavity.
Ribbon cable
of membrane
switch
Figure C-2. Graphic Sheet and Membrane Switch
TURNTABLE MOTOR REMOVAL
Re-install
1. Re-install the TTM packing.
2. Re-install the turntable motor with theTTM packing
3. Re-connect the wire leads to the turntable motor.
4. Insert the tab of the turntable motor cover into the hole
5. Re-install the turntable motor cover to the bottom plate
COOLING FAN MOTOR REMOVAL
7. Remove the fan blade from the fan motor shaft accord-
8. Hold the edge of the rotor of the fan motor by using a
19
ribbon cable (edge) and the rubber connector
directly with your fingers. This is to avoid
oxidized.
Large depression
Small backing
paper
Ribbon
cable
Membrane
Graphic sheet
switch
Liquid crystal
Long slit
display
Replacement
with the single (1) screw.
of the bottom plate.
with one (1) screw.
Figure C-3. TTM packing Installation
ing to the following procedure.
pair of groove joint pliers.
CAUTION:
• Make sure that any pieces do not enter the gap
between the rotor and the stator of the fan motor.
Because the rotor is easy to be shaven by pliers
and metal pieces may be produced.
R-230F
Control panel frame
Slit
Small
depression
Control panel frame
(Rear side)
Conductor portions
Rubber connector
TTM packing
Turntable motor
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