Exhaust Fan Removal; Fan Motors Removal; Antenna Motors (Upper And Lower) Removal; Power Unit Removal - Sharp R-CD1200M Service Manual

[9] EXHAUST FAN REMOVAL

1. Disconnect the power supply cord and then remove the outer case
and the rear cover, referring to "OUTER CASE AND REAR COVER
REMOVAL".
2. Open the oven door and block it open.
3. Discharge the two high voltage capacitors.

[10] FAN MOTORS REMOVAL

1. Disconnect the power supply cord and then remove outer case and
rear cover, referring to "OUTER CASE AND REAR COVER
REMOVAL".
2. Open the oven door and block it open.
3. Discharge two high voltage capacitors.
4. Disconnect the connector of the fan motor from the connector of
the wire harness.

[11] ANTENNA MOTORS (UPPER AND LOWER) REMOVAL

1. UPPER
1. Disconnect the power supply cord and then remove outer case and
rear cover, referring to "OUTER CASE AND REAR COVER
REMOVAL".
2. Open the oven door and block it open.
3. Discharge two high voltage capacitors.
4. Disconnect the wire leads from the antenna motor (upper).
5. Remove the one (1) screw holding the antenna motor (upper) to the
oven cavity.
6. Turn and lift up the antenna motor (upper).

[12] POWER UNIT REMOVAL

1. Disconnect the power supply cord and then remove the outer case,
referring to "OUTER CASE AND REAR COVER REMOVAL".
2. Open the oven door and block it open.
3. Discharge the two high voltage capacitors.

[13] RELAY UNIT REMOVAL

1. Disconnect the power supply cord and then remove the outer
case, referring to "OUTER CASE AND REAR COVER REMOVAL".
2. Open the oven door and block it open.
3. Discharge the two high voltage capacitors.
4. Disconnect all wire leads and connectors from the power unit and
the relay unit.
5. Remove the four (4) screws holding the PWB holder to the oven
cavity top plate and the noise filter angle.

[14] CONTROL PANEL ASSEMBLY AND CONTROL UNIT REMOVAL

1. Disconnect the power supply cord and then remove the outer case,
referring to "OUTER CASE AND REAR COVER REMOVAL".
2. Open the oven door and block it open.
3. Discharge the two high voltage capacitors.
4. Disconnect all connectors from the control unit.
5. Remove the vinyl tape with a cushion attached to the oven cavity
face plate and the control panel case.
6. Remove three (3) screws holding the control panel to the oven cav-
ity face plate.
7. Now the control panel assembly is free.
4. Make sure that the connector of the exhaust fan has been discon-
nected from the wire harness.
5. Remove the four (4) screws and the two (2) nuts holding the
exhaust fan.
6. Now, the exhaust fan is free.
5. Remove the three (3) screws holding the fan motor to the motor fix-
ing angle and magnetron cool duct A.
6. Release the wire leads of the fan motor from the wire holder.
7. Remove the fan motor from the oven cavity.
8. Now, the fan motor is free.
7. Now, the antenna motor (upper) is free.
2. LOWER
1. Disconnect the power supply coed.
2. Remove the two (2) screws holding the motor protect cover to the
bottom plate assembly.
3. Remove the motor protect cover from the bottom plate assembly.
4. Disconnect the wire leads from the antenna motor (lower).
5. Remove the one (1) screw holding the antenna motor (Lower) to
the oven cavity.
6. Now, the antenna motor (lower) is free.
4. Disconnect all wire leads and connectors from the power unit.
5. Remove the four (4) screws holding the power unit to the PWB
holder.
6. Now, the power unit is free.
6. Remove the PWB holder with the power unit and the relay unit from
the oven cavity.
7. Remove the six (6) screws holding the relay unit to the PWB holder.
8. Remove the relay unit from the PWB holder.
9. Now, the relay unit is free.
NOTE: When the relay unit is replaced, set the standard voltage refer-
ring to Special Function pages.
8. Remove five (5) screws holding the control unit to the panel fixing
plate.
9. Remove the CPU protect sheet from the control unit.
10.Now, the control unit is free.
CAUTION: When installing the control unit into the control panel frame:
1) Be careful not to damage any of the components on the
control unit.
2) When inserting key units ribbon cable through the
frame, ensure it is not pinched or bent.
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RCD1200M