Power Supply Cord Replacement; Door Sensing Switch/Secondary Interlock Switch And Monitor Switch Removal - Sharp R-21LCF Service Manual

Coil
Groove joint pliers
Stator
Gap
Bracket
Rotor
Rear View

[11] POWER SUPPLY CORD REPLACEMENT

1. 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. Remove the one (1) screw holding the green wire to the cavity rear
plate.
5. Disconnect the wire leads of the power supply cord from the noise
filter.
6. Release the power supply cord from the oven cavity rear plate.
7. Now, the power supply cord is free.
2. REINSTALL
1. Insert the moulding cord stopper of power supply cord into the
square hole of the oven cavity rear plate, referring to the Figure C-
3b.
2. Install the earth wire lead of power supply cord to the cavity rear
plate with one (1) screw and tighten the screw.
3. Connect the wire leads of power supply cord to the noise filter,
referring to the Pictorial Diagram.
[12] DOOR SENSING SWITCH/SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH
REMOVAL
1. REMOVAL
1. Disconnect the power supply cord and remove outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor.
4. Remove the control panel assembly, referring to section of CON-
TROL PANEL ASSEMBLY REMOVAL.
5. Disconnect the leads from all switches.
6. Remove the two (2) screws holding the latch hook to the oven cav-
ity.
7. Remove the latch hook.
8. Push the retaining tab outward slightly and remove the switch.
Shaft
These are the positions
Axis
that should be pinched
with pliers.
Stator
Rotor
Side View
11 – 4
Table
Oven Cavity
Power Supply Cord
Rear Plate
Screw
Green
Wire
Black Wire
RED
WHT
L
N
White Wire
Noise Filter
Figure C-3a. Power Supply Cord Replacement
Moulding
Cord Stopper
Power
Supply Cord
Figure C-3b. Power Supply Cord Replacement
Latch Hook
Tabs
Secondary
Interlock
Switch
Tab
Tab
Tab
Tab
Figure C-4. Switches
R21LCF
Shaft
Center of
bracket
Chassis
Support
Oven Cavity
Rear Plate
Square Hole
Monitor
Switch
Door
Sensing
Switch