Read Sharp R-8000GK Service Manual online
R-8000GK
23
1. CARRY OUT 3D CHECKS.
2. Remove the back plate from the oven, referring to “BACK
2. Remove the back plate from the oven, referring to “BACK
PLATE REMOVAL”.
3. Disconnect the main wire harness from the high voltage
transformer.
4. Disconnect the filament leads of the high voltage
transformer from the high voltage capacitor and the
magnetron.
magnetron.
HIGH VOLTAGE TRANSFORMER REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the back plate from the oven, referring to “BACK
2. Remove the back plate from the oven, referring to “BACK
PLATE REMOVAL”.
3. Disconnect the high voltage wire of the high voltage
rectifier assembly from the magnetron.
4. Disconnect the filament wire of the high voltage transformer
from the magnetron.
5. Remove the two (2) screws holding the magnetron guide
to the magnetron and remove it.
6. Release the main wire harness from the hole of the
magnetron separator and the hook of the fan motor.
7. Remove the three (3) screws holding the magnetron
5. Disconnect the high voltage fuse from the high voltage
transformer.
6. Remove the four (4) screws holding the transformer mounting
angle to the bottom plate from under the bottom plate.
7. Slide the transformer mounting angle rightward.
8. Remove the four (4) screws holding the high voltage
8. Remove the four (4) screws holding the high voltage
transformer to the transformer mounting angle.
9. Now, the high voltage transformer is free.
MAGNETRON REMOVAL
separator to the bottom plate and the thermal cover back.
8. Remove the magnetron separator from the oven.
9. Carefully remove the four (4) screws holding the magnetron
9. Carefully remove the four (4) screws holding the magnetron
to the waveguide. When removing the screws, hold the
magnetron to prevent it from falling.
magnetron to prevent it from falling.
10. Remove the magnetron from the unit with care so the
magnetron tube should not be hit by any metal object
around the tube.
around the tube.
CAUTION: WHEN REPLACING THE MAGNETRON, BE
SURE THE R.F. GASKET IS IN PLACE AND
THE MAGNETRON MOUNTING SCREWS ARE
TIGHTENED SECURELY.
THE MAGNETRON MOUNTING SCREWS ARE
TIGHTENED SECURELY.
1. CARRY OUT 3D CHECKS.
2. Remove the back plate from the oven, referring to “BACK
2. Remove the back plate from the oven, referring to “BACK
PLATE REMOVAL”.
3. Disconnect the high voltage wire of the high voltage
rectifier assembly from the magnetron.
4. Disconnect the filament lead of the high voltage transformer
from the high voltage capacitor.
5. Disconnect the high voltage fuse from the high voltage
transformer.
6. Remove the one (1) screw holding the capacitor holder to
the fan motor mounting angle.
HIGH VOLTAGE CAPACITOR, HIGH VOLTAGE FUSE AND HIGH VOLTAGE RECTIFIER
ASSEMBLY REMOVAL
7. Remove the one (1) screw holding the high voltage
rectifier assembly to the capacitor holder.
8. Disconnect the high voltage rectifier assembly and high
voltage fuse from the high voltage capacitor.
11. Now, the high voltage rectifier assembly, high voltage
fuse, and also the high voltage capacitor are free.
CAUTION: WHEN REPLACING HIGH VOLTAGE RECTI-
FIER ASSEMBLY, ENSURE THAT THE CATH-
ODE (EARTH) CONNECTION IS SECURELY
FIXED TO THE CAPACITOR HOLDER WITH
AN EARTHING SCREW.
ODE (EARTH) CONNECTION IS SECURELY
FIXED TO THE CAPACITOR HOLDER WITH
AN EARTHING SCREW.
FAN MOTOR REMOVAL
HIGH VOLTAGE TRANSFORMER SIDE
1. CARRY OUT 3D CHECKS.
2. Remove the back plate from the oven, referring to “BACK
2. Remove the back plate from the oven, referring to “BACK
PLATE REMOVAL”.
3. Remove the high voltage transformer, referring to “HIGH
VOLTAGE TRANSFORMER REMOVAL”.
4. Remove the one (1) screw holding the capacitor holder to
the fan motor mounting angle. And remove the capacitor
holder from the fan motor mounting angle.
holder from the fan motor mounting angle.
5. Disconnect the wire leads from the fan motor.
6. Remove the four (4) screws holding the fan motor mounting
6. Remove the four (4) screws holding the fan motor mounting
angle to the bottom plate and the thermal cover back.
7. Remove the three (3) screws holding the fan motor to the
fan motor mounting angle.
8. Now, the fan motor is free.
MAGNETRON SIDE ONE REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the back plate from the oven, referring to “BACK
2. Remove the back plate from the oven, referring to “BACK
PLATE REMOVAL”.
3. Remove the fan motor cover from the fan motor.
4. Disconnect the wire leads from the fan motor.
5. Disconnect the connector of the main wire harness from
4. Disconnect the wire leads from the fan motor.
5. Disconnect the connector of the main wire harness from
the connector of the thermistor.
6. Release the main wire harness from the hole of the
magnetron separator and the hook of the fan motor.
7. Remove the three (3) screws holding the magnetron
separator to the bottom plate and the thermal cover back.
8. Remove the magnetron separator from the oven.
9. Remove the one (1) screw holding the fan motor to
9. Remove the one (1) screw holding the fan motor to
the bottom plate.
10. Now, the fan motor is free.
SOLID-STATE RELAY REMOVAL
1. CARRY OUT 3D CHECKS.
2. Disconnect the wire leads and the connector from the solid-
sate relay.
3. Remove the two (2) screws holding the solid-sate relay to the
radiation plate.
4. Now, the solid-sate relay is free.
CAUTION: WHEN THE SOLID-STATE RELAY IS INSTALLED,
APPLY THE SILICON GREASE (SHINETSU SILI-
CON GREASE G746 OF SHINETSU CHEMICAL
CO., LTD.) TO THE BACK SIDE OF THE SOLID-
STATE RELAY IN A THICKNESS OF 0.3MM. THIS
IS TO PREVENT THE OVER HEATING OF THE
SOLID-STATE RELAY.
CON GREASE G746 OF SHINETSU CHEMICAL
CO., LTD.) TO THE BACK SIDE OF THE SOLID-
STATE RELAY IN A THICKNESS OF 0.3MM. THIS
IS TO PREVENT THE OVER HEATING OF THE
SOLID-STATE RELAY.
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