Service manual

R-820JS
32
COOLING FAN MOTOR REMOVAL
POSITIVE LOCK
®
CONNECTOR (NO-CASE TYPE) REMOVAL
Figure C-2. Positive lock
®
connector
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
®
connector.
5. Pull down on the positive lock
®
connector.
CAUTION: WHEN CONNECTING THE POSITIVE LOCK
®
CONNECTORS TO THE TERMINALS, IN-
STALL THE POSITIVE LOCK
®
SO THAT THE
LEVER FACES YOU.
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.
OVEN LAMP AND LAMP SOCKET REMOVAL
Figure C-1. Oven lamp socket
TURNTABLE MOTOR REMOVAL
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
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 XHPSD40P12K00, XHPSD40P10K00 or
XHPSD40P08K000.
frame to the oven cavity front plate.
7. Lift up the control panel assembly.
8. Now, the control panel assembly is free.
CONTROL UNIT
9. Disconnect the flat ribbon cable from the connector CN-G.
10.Remove the four (4) screws holding the control unit to the
control panel frame.
11.Release the two (2) tabs of the control panel frame
holding the CPU unit of the control unit to the control
panel frame.
12.Release the four (4) tabs of the control panel frame
holding the power unit of the control unit to the control
panel frame.
13.Now, the control 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
Terminal hole
Flat type small
screw driver
Terminal
Push
Pull down
1
2
Lever
Positive lock®
connector
REMOVAL
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. Disconnect the wire leads from the fan motor.
5. Remove the one (1) screw holding the capacitor holder
to the oven cavity rear plate.
6. Remove the one (1) screw holding the fan duct to the
oven cavity rear plate.
7. Release the tabs of the capacitor holder from fan duct.
8. Remove the fan duct from the oven.