Sharp R-677W Service Manual page 27

COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
Removal
1. CARRY OUT 3D CHECKS.
2. Remove the one (1) screw holding the green/yellow
wire to the power angle.
3. Disconnect the leads of the power supply cord from the
noise filter, referring to the Figure C-4(a).
4. Release the power supply cord from the power angle.
5. Now, the power supply cord is free.
POWER ANGLE
GREEN / YELLOW
WIRE
L N
BLUE WIRE
NOISE FILTER
Figure C-4 (a) Replacement of Power Supply Cord
1. CARRY OUT 3D CHECKS.
2. Remove the two (2) screws holding the two (2) termi-
nals of the main wire harness to the top heating
element.
3. Remove the two (2) screws holding the two (2) grill
heater angles to the top of the oven cavity.
1. CARRY OUT 3D CHECKS.
2. Remove the turntable motor cover from the power
angle, referring to "TURNTABLE MOTOR REPLACE-
MENT".
3. Disconnect the wire leads from the bottom heating
element.
PRIMARY LATCH SWITCH, MONITOR SWITCH AND STOP SWITCH REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the control panel assembly referring to "CON-
TROL PANEL ASSEMBLY REMOVAL".
3. Remove the open lever from the oven cavity front plate
by removing the control panel assembly.
4. Disconnect the leads from all switches.
5. Remove the one (1) screw holding the latch hook to the
oven cavity.
6. Remove the latch hook.
7. Remove the switch(es) from the latch hook by pushing
the retaining tab backwards slightly and turning the
switch(es) on the post.
8. Now the switch(es) is free.
POWER SUPPLY CORD REPLACEMENT
POWER SUPPLY CORD
SCREW
BROWN WIRE
CHASSIS
SUPPORT
TP TL
F 8 A
TOP HEATING ELEMENT REMOVAL
BOTTOM HEATING ELEMENT REMOVAL
Re-install
1. Insert the moulding cord stopper of power supply cord
into the square hole of the power angle, referring to the
Figure C-4(b).
2. Install the earth wire lead of power supply cord to the
power angle 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.
Figure C-4(b). Power Supply Cord Replacement
4. Remove the two (2) grill heater angles from the oven
cavity.
5. Remove the top heating element from the top of the
oven cavity.
6. Now the top heating element is free.
4. Remove the two (2) nuts holding the bottom heating
element to the oven cavity.
5. Remove the heater cover and the heater packing from
the bottom heating element.
6. Remove the bottom heating element from the oven
cavity .
Post
R-677 - 27
MOULDING
CORD STOPPER
POWER
SUPPLY CORD
POWER ANGLE
SQUARE HOLE
LATCH HOOK
MONITOR SWITCH
Tab
Post
PRIMARY
(MONITORED)
LATCH SWITCH
Tab
Post
STOP SWITCH
Tab
Figure C-5. Switches
...
CONT