Oven Lamp Socket Removal; Power Supply Cord Replacement - Sharp R-7N76(B)M Service Manual

1. CARRY OUT 3D CHECKS
2. Pull the wire leads from the oven lamp socket by
pushing the terminal hole of the oven lamp socket
with the flat type small screw driver.
3. Lift up the oven lamp socket.
4. Now, the oven lamp socket is free.
1. CARRY OUT 3D CHECKS.
2. Pushing the lever of positive lock
3. Pull out the positive lock
CAUTION: WHEN YOU (SERVICE ENGINEERS) CON-
NECT THE POSITIVE LOCK
TO THE TERMINALS, CONNECT THE POSI-
TIVE LOCK
YOU (SERVICE ENGINEERS).
Removal
1. CARRY OUT 3D CHECKS.
2. Remove the one (1) screw holding the green/yellow wire
to the chassis support.
3. Disconnect the leads of the power supply cord from the
noise filter, referring to the Figure C-3 (a).
4. Release the power supply cord from the rear cabinet.
5. Now, the power supply cord is free.
OVEN CAVITY
BACK PLATE
BROWN WIRE
BLUE WIRE
NOISE FILTER
CHASSIS SUPPORT
Figure C-3 (a) Replacement of Power Supply Cord
CONVECTION HEATING ELEMENT OR CONVECTION FAN MOTOR REMOVAL
1. CARRY OUT3DCHECKS.
2. Remove the four (4) screws holding the back plate to
oven cavity.
3. Disconnect the wire leads from the convection heating
element, convection motor and thermal cut-out.
4. Remove the three (3) screws holding the convection fan
duct to the oven cavity from out-side.
5. Remove the six (6) screws holding the convection fan
duct to the oven cavity.

OVEN LAMP SOCKET REMOVAL

POSITIVE LOCK
® connector.
®
connector.
® CONNECTORS
® SO THAT THE LEVER FACE

POWER SUPPLY CORD REPLACEMENT

POWER SUPPLY CORD
FLAT TYPE
SMALL SCREW
DRIVER
Figure C-1. Oven lamp socket
®
CONNECTOR REMOVAL
Figure C-2 Positive lock
Re-install
1. Insert the moulding cord stopper of power supply cord
into the square hole of the rear cabinet, referring to the
Figure C-3 (b).
2. Install the earth wire lead of power supply cord and the
earth angle to the oven cavity 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
MOULDING
CORD
STOPPER
Figure C-4(b). Power Supply Cord Replacement
6. Now the convection fan duct is free.
CONVECTION HEATING ELEMENT
7. Remove the two (2) screws holding the convection air
angle A and B to the convection fan duct.
8. Remove the two (2) screws holding the convection heating
element to the convection fan duct.
9. Now, the convection heater is free.
31
OVEN LAMP SOCKET
TERMINAL
WIRE LEAD
TERMINAL HOLE
Terminal
Positive lock¤
connector
1
Push
Lever
2
Pull down
® connector
GROMMET
MOULDING
OVEN CAVITY
BACK PLATE
SQUARE HOLE
R-7N76(W)M
R-7N76(B)M