Oven Lamp Removal - Sharp R-1512 Service Manual

R-1512
R-1511
to the oven cavity top plate, the oven cavity front flange
and the fan duct. And remove the hood intake duct R.
5. Disconnect the connector CN-F of AH sensor from the
control unit.
6. Remove the two (2) screws and one (1) washer holding
the AH sensor to the hood duct L.
7. Release the wire lead of AH sensor from the holes of the
hood ducts L and R.
8. Now, the AH sensor is free.
NOTE: When the AH sensor is reinstalled, the wire tie of the
AH sensor should be positioned under the hole of
the oven cavity top plate (right).
CONTROL PANEL ASSEMBLY, CONTROL UNIT AND KEY UNIT REMOVAL
1. Disconnect the power supply cord.
2. Open the door and block it open.
3. To discharge the high voltage capacitor, wait for 60
seconds.
4. Remove three (3) screws holding the hood exhaust
louver to oven cavity front face plate.
5. Remove the hood exhaust louver from the oven by
pushing the right and left tabs of the hood exhaust louver.
(Refer to procedure of "HOOD EXHAUST LOUVER
REMOVAL")
6. Remove one (1) screw holding the control panel to the
oven cavity front face plate.
7. Release the control panel from the oven cavity front face
plate by lifting it up.
8. Disconnect the wire leads from the relays RY1 and RY2.
9. Disconnect the connectors CN-A, CN-B, CN-E and CN-
F from the control unit.
10. Remove the control panel assembly from the oven.
11.Now, the control panel assembly is free.
12.Disconnect the connector CN-G from the control unit.
13.Remove the two (2) screws holding the LCD holder to
the key fixing plate.
14.Remove two (2) screws holding the power unit to the key
fixing plate.
15.Release the two (2) tabs holding the power unit to the key
fixing plate.
16.Release the three (3) tabs holding the LCD to the LCD
holder.
17.Release the two (2) tabs holding the LSI unit to the LCD
holder.
18.Remove the LCD holder and the LED sheet.
19.Now, the control unit is free.
1. Disconnect the power supply cord.
2. Open the door and block it open.
3. To discharge the high voltage capacitor, wait for 60
seconds.
Sensor ground wire
Screws
Screw
Hood duct L
This illustration is under the condition which hood intake
duct R is removed
20.Remove the one (1) screw holding the key fixing plate to
the control panel.
21.Release the six (6) tabs holding the key fixing plate to the
control panel.
22.Remove the key fixing plate from the control panel.
23.Remove the key unit from the key fixing plate.
24.Now, the key unit is free
NOTES FOR KEY UNIT REPLACEMENT
1. Do not reuse the torn key unit because the performance
of the adhesive becomes weak.
2. Before attaching a new key unit, wipe off remaining
adhesive on the key fixing plate surfaces completely with
a soft cloth soaked in alcohol.
3. When attaching the key unit to the key fixing plate, adjust
the upper edge and right edge of the key unit to the
correct position of key fixing plate. See key unit location.
4. Stick the key unit firmly to the key fixing plate by rubbing
with soft cloth not to scratch.

OVEN LAMP REMOVAL

4. Remove the hood exhaust louver and release the control
panel assembly, referring to items 4 to 7 of "CONTROL
PANEL ASSEMBLY, CONTROL UNIT AND KEY UNIT
REMOVAL".
20
AH sensor
Hole
Wire lead of AH sensor
Hood duct R
Key unit
Key
fixing plate
Key unit location
Hole
Hole
Wire tie