Sharp R-771 OE, Service Manual, Page: 21 / 34

CONTROL AND COMPONENTS REMOVAL
The complete control panel should be removed for
replacement of the components. To remove the control
panel, refer to Figure 9 and proceed as follows:
1. Disconnect the oven from the power supply and re-
move the outer case.
2. Discharge the high voltage capacitor.
3. Remove the one (1) screw holding the control panel to
the chassis support.
4. Remove the two (2) screws holding the bottom edge of
the control panel to the base cabinet (A).
5. Remove the one (1) screw holding the control panel to
the oven cavity front flange.
6. Disconnect the wire leads of the main wire harness
from the control panel components.
7. Pull the control panel forward.
Replacement of individual component is as follows:
VARI-MOTOR ASSEMBLY
1. Remove the mode select knob by it off the
motor shaft,
2. Disconnect the wire leads from the vari-motor assembly.
3. Remove the three (3) screws holding the vari-motor
assembly to the control panel back plate.
4. The vari-motor assembly is now free.
TIMER
Remove the timer knob assembly by pulling it off the
timer shaft.
2. Disconnect the wire leads from the timer motor.
3. Remove the two (2) screws holding the timer moun-
ting plate to the control panel back plate.
4. Remove the three (3) screws holding the timer to the
mounting plate.
5. The timer is now free.
COOK SWITCH
Disconnect the wire leads from the cook switch.
2. Remove the one (1) screw holding the cook switch to
the open device.
3. Remove the cook switch.
COOK LAMP
1. Disconnect the wire leads from the cook lamp.
2. Remove the one (1) screw holding the cook lamp to the
back plate.
3. The cook lamp is now free.
CONTROL PANE
VARI-MOTOR
CONTROL PANEL BACK PLATE
TIMER KNOB
ASSEMBLY
COOK LAMP MOUTING PLATE
\
COOK
, COOK
LAMP
TIMER MOUTING PLATE
Figure 9. Control Panel and Components
20