Oven Lamp And Lamp Socket Removal; Connector (No-Case Type) Removal; Turntable Motor Removal - Sharp R-820BK Service Manual

R-820BK
R-820BW
4. Disconnect the main wire harness, thermistor harness and
the switch harness from the power unit.
5. Straighten the tab of the oven cavity front flange holding
the tab of the control panel frame.
6. Lift up the control panel assembly.
7. Now, the control panel assembly is free.
CONTROL UNIT
8. Disconnect the flat ribbon cable from the connector CN-G.
9. Remove the two (2) screws holding the CPU unit to the
control panel frame.
10.Release the four (4) tabs of the control panel frame
holding the CPU unit to the control panel frame.
11.Release the liquid crystal display (LCD) from the LCD
holder.
12.Now, the LCD sheet is free.
13.Release the two (2) tabs of the LCD holder holding the
1. Disconnect the power supply cord and then remove
outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. Lift up the oven lamp socket from air intake duct.
5. Pull the wire leads from the oven lamp socket by pushing
the terminal hole of the oven lamp socket with the small
flat type screw driver.
6. Now, the oven lamp socket is free.
POSITIVE LOCK
1. Disconnect the power supply cord and then remove
outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. Push the lever of positive lock
5. Pull down on the positive lock
CAUTION: WHEN CONNECTING THE POSITIVE LOCK
CONNECTORS TO THE TERMINALS, IN-
STALL THE POSITIVE LOCK
LEVER FACES YOU
1. Disconnect the power supply cord.
2. Remove the turntable motor cover by snipping of material
in four corners.
3. Where the corners have been snipped off, bend corner
areas flat. No sharp edge must be evident after removal
of turntable motor cover.
4. Disconnect the wire leads from the turntable motor and

OVEN LAMP AND LAMP SOCKET REMOVAL

®

CONNECTOR (NO-CASE TYPE) REMOVAL

®
connector.
®
connector.
®
®
SO THAT THE

TURNTABLE MOTOR REMOVAL

CPU unit to the LCD holder.
14.Remove the LCD holder from the CPU unit.
15.Remove the two (2) screws holding the power unit to the
control panel frame.
16.Release the four (4) tabs of the control panel frame
holding the power unit to the control panel frame.
17.Now, the control unit (CPU unit + Power unit) is free.
NOTE: 1. Before attaching a new key unit, wipe off remaining
adhesive on the control panel frame surfaces
completely with a soft cloth soaked in alcohol.
2. When attaching the key unit to the control panel
frame, adjust the upper edge and right edge of
the key unit to the correct position of control panel
frame.
3. Stick the key unit firmly to the control panel frame
by rubbing with soft cloth not to scratch.
Oven lamp
socket
Terminal
Wire lead
Flate type small
screw driver
Figure C-1. Oven lamp socket
Positive lock®
connector
Lever
Figure C-2. Positive lock
remove the two (2) screws holding the turntable motor.
5. Now, the turntable motor is free.
6. After replacement use the one (1) screw provided with
the turntable motor assembly to fit turntable motor cover.
NOTE: The one (1) screw to fit the turntable motor cover
should be XFPSD40P12K00, XFPSD40P10K00 or
XFPSD40P08K000.
32
Terminal hole
Terminal
4
Push
5
Pull down
®
connector