Read Sharp R-464 (serv.man4) Service Manual online
R-464(SL)
20
POWER UNIT REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the outer case.
3. Disconnect the wire leads and the connectors from the
2. Remove the outer case.
3. Disconnect the wire leads and the connectors from the
power unit.
4. Remove two (2) screws holding power unit to the base
plate.
5. With needle nose pliers, nip and push the head of the
two (2) PC support clips which hold the power unit.
And then release the clips from the hole of the power
And then release the clips from the hole of the power
unit.
6. Now the power unit is free.
Figure C-1. PC support clip
1. CARRY OUT 3D CHECKS.
2. Remove the turntable and turntable support from oven
2. Remove the turntable and turntable support from oven
cavity.
3. Lay the oven on it's backside. Remove the turntable
motor cover by snipping off the material in four corners.
4. Where the corners have been snipped off bend corner
areas flat.
5. Disconnect wire leads from turntable motor.
(See "Positive lock connector removal")
6. Remove two (2) screws holding turntable motor to
oven cavity.
7. Remove the TTM packing from the turntable motor
shaft.
8. Now the turntable motor is free.
9. After replacement use the one (1) screw to fit the
9. After replacement use the one (1) screw to fit the
turntable motor cover.
CAUTION: NO SHARP EDGES MUST BE EVIDENT
AFTER REMOVAL OF THE TURNTABLE
MOTOR COVER.
MOTOR COVER.
TURNTABLE MOTOR REMOVAL
POSITIVE LOCK
®
CONNECTOR (NO-CASE TYPE) REMOVAL
Terminal
Push
Pull down
1
2
Lever
Positive lock®
connector
POWER SUPPLY CORD REPLACEMENT
1. CARRY OUT 3D CHECKS.
2. Remove the outer case.
3. Push the lever of positive lock
2. Remove the outer case.
3. Push the lever of positive lock
®
connector.
4. Pull down on the positive lock
®
connector.
CAUTION: WHEN CONNECTING THE POSITIVE LOCK
®
CONNECTORS TO THE TERMINALS, CON-
NECT THE POSITIVE LOCK
NECT THE POSITIVE LOCK
®
SO THAT THE
LEVER FACES YOU.
Figure C-2. Positive lock
®
connector
1. CARRY OUT 3D CHECKS.
2. Remove the outer case.
3. Remove the single (1) screw holding the green/ yellow
2. Remove the outer case.
3. Remove the single (1) screw holding the green/ yellow
wire to the bottom plate.
4. Disconnect the leads of the power supply cord from the
noise filter.
5. Release the moulding cord stopper of the power supply
cord from the square hole of the oven cavity back plate,
referring to the Figure C-3 (b).
referring to the Figure C-3 (b).
6. Now, the power supply cord is free.
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).
Figure C-3 (b).
2. Install the earth wire lead of power supply cord to the
bottom plate with one (1) screw and tight the screw.
3. Connect the brown and blue wire leads of power supply
cord to the main wire harness correctly, referring to the
Pictorial Diagram.
Pictorial Diagram.
4. Re-install outer case and check that the oven is
operating properly.
Needle nose pliers
Power unit
PC support clip
Figure C-3 (a). Power Supply Cord Replacement
Figure C-3 (b) Power Supply Cord Replacement
Power Supply
Cord
Cord
Oven Cavity
Back Plate
Back Plate
Square
Hole
Hole
Moulding
Cord Stopper
Cord Stopper
Power supply
cord
cord
Brown wire
Noise Filter
Screw
Blue wire
Base plate
Green/Yellow
wire
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