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2. Install the earth wire lead of power supply cord to the oven
cavity back plate with one (1) screw and tight the screw.
3. Connect the brown and blue wire leads of power supply cord
to the noise filter correctly, referring to the Pictorial Diagram.
Power Supply
Cord
Cord
Oven Cavity
Back Plate
Back Plate
Square
Hole
Hole
Moulding
Cord Stopper
Cord Stopper
Figure C-3(b) Power Supply Cord Replacement
2. REINSTALL
Insert the moulding cord stopper of power supply cord into
the square hole of the rear cabinet, referring to the Figure
C-3 (b).
the square hole of the rear cabinet, referring to the Figure
C-3 (b).
Power Supply
Cord
Oven Cavity
Back Plate
Screw
Green/Yellow
Wire
Brown Wire
Blue
Wire
Wire
Fuse Holder Assembly
TH
W
DE
R
L
N
Figure C-3(a) Power Supply Cord Replacement
1.
[10] CONTROL PANEL ASSEMBLY REMOVAL
CARRY OUT 3D CHECKS.
Disconnect the leads from the control unit.
Remove the one (1) screw holding the control panel to the
front panel of the oven cavity.
front panel of the oven cavity.
1.
2.
3.
Lift up the control panel assembly and release it from the
oven cavity.
oven cavity.
Now, the control panel assembly is free.
4.
5.
[11] GRAPHIC SHEET AND MEMBRANE SWITCH REPLACEMENT
1. REMOVAL
CARRY OUT 3D CHECKS.
Remove the control panel assembly, referring to chapter of
CONTROL PANEL ASSEMBLY REMOVAL.
CONTROL PANEL ASSEMBLY REMOVAL.
Disconnect the ribbon cable of the membrane switch from
the connector (CN-G) on the control unit.
the connector (CN-G) on the control unit.
Tear away the graphic sheet from the control panel frame.
Tear away the membrane switch from the control panel
frame.
frame.
2. REINSTALL
Remove remaining adhesive on the control panel frame sur-
faces with a soft cloth soaked in alcohol.
faces with a soft cloth soaked in alcohol.
Tear the backing paper from the new membrane switch.
Insert the ribbon cable of the membrane switch into the slit
of the control panel frame.
of the control panel frame.
Adjust the upper edge and right edge of the membrane
switch to the small depression on the surface of the control
panel frame.
switch to the small depression on the surface of the control
panel frame.
Attach the membrane switch to the control panel frame by
rubbing with a soft cloth not to scratch.
rubbing with a soft cloth not to scratch.
Tear the backing paper from the new graphic sheet.
Adjust the upper edge and right edge of the graphic sheet
to the large depression on the surface of the control panel
frame.
to the large depression on the surface of the control panel
frame.
Attach the graphic sheet to the control panel frame by rub-
bing with a soft cloth not to scratch.
bing with a soft cloth not to scratch.
Connect the ribbon cable of the membrane switch to the
connector (CN-G) on the control unit.
connector (CN-G) on the control unit.
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
6.
7.
8.
9.
NOTE: Do not contact the contact surface of the ribbon
cable (edge) and the rubber connector directly with
your fingers. This is to avoid oxidized. If display digits
are missing or scrambled, remove control unit and
clean contact surface with alcohol. After cleaning,
do not attach the rubber connector until alcohol
dries up. Do not use alcohol or solution to clean the
rubber connector. Make sure that there is no trash
or foreign substance on contact surface of the rubber
connector.
your fingers. This is to avoid oxidized. If display digits
are missing or scrambled, remove control unit and
clean contact surface with alcohol. After cleaning,
do not attach the rubber connector until alcohol
dries up. Do not use alcohol or solution to clean the
rubber connector. Make sure that there is no trash
or foreign substance on contact surface of the rubber
connector.
Graphic sheet
Ribbon
cable
Connector
(CN-G)
Small depression
Control panel frame
Slit
Control unit
Membrane
switch
Ribbon
cable
Large
depression
Figure C-4. Graphic Sheet and Membrane Switch Replacement
R-291(K)M
10 - 4
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