Panasonic NU-SC300BZPE Service Manual ▷ View online
5.4. Digital programmer circuit
(D.P.C.) FU
NOTE:
Be sure to ground any static electric charge built up on
your body before handling the D.P.C.
your body before handling the D.P.C.
1. Same as 5.2 Step1~Step7.
2. To remove door C.
2. To remove door C.
• Insert flat blade screwdriver into the gap between door
C and door A, it is beginning from hinge pin parts.
• Release catch hooks between door C and door E, to
detach the door C.
3. Remove 12 screws from door E. (10 screws for fixing door
E, 2 screws for fixing door keys.)
(Note: Please pay attention the type of the screw to
avoid mixture.)
(Note: Please pay attention the type of the screw to
avoid mixture.)
4. Remove door EU.
5. Remove door B and door screen C.
5. Remove door B and door screen C.
6. Remove 8 screws holding escutcheon base.
(Note1: One of the screw located under the black
cushion rubber.)
(Note2: Please pay attention the type of the screw to
avoid mixture.)
cushion rubber.)
(Note2: Please pay attention the type of the screw to
avoid mixture.)
7. Remove escutcheon base from door U.
(Hold the bottom of escutcheon base and pull it out.)
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8. Release the clips fixing wire harness.
9. Remove 5 screws holding D.P.C. (FU) board on the
escutcheon base.
10. Release 4 catch hooks fixing D.P.C. (FU) board.
11. Disconnect connector from D.P.C (FU) board.
11. Disconnect connector from D.P.C (FU) board.
5.5. Convection Heater (Heater
CU), Convection Motor
1. Remove cabinet body (same as 5.1 step 1 ~ step 3).
2. Pull out exhaust pipe from exhaust cover.
3. Remove 1 screw fixing exhaust cover, and then remove the
2. Pull out exhaust pipe from exhaust cover.
3. Remove 1 screw fixing exhaust cover, and then remove the
exhaust cover.
4. Remove 5 screws fixing rear plate, and remove rear plate.
5. Disconnect connectors from convection module.
a. Remove 2 screws from convection heater’s terminals.
b. Disconnect 2 connectors from convection motor
b. Disconnect 2 connectors from convection motor
terminals.
c. Disconnect 4 connectors from thermal cutout.
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6. Remove 1 screw fixing exhaust nozzle.
7. Turn over the oven (Upside down).
8. Remove 4 screws holding the left and right drip tray (2 for
8. Remove 4 screws holding the left and right drip tray (2 for
left and 2 for right).
9. Remove left and right drip tray.
10. Remove 2 screws fixing convection module on the base.
10. Remove 2 screws fixing convection module on the base.
11. Turn the oven back (bottom down).
12. Remove 16 screws holding convection module on oven
12. Remove 16 screws holding convection module on oven
cavity.
13. Remove the heater CU.
To replace convection heater (Heater CU).
a. Remove 2 screws holding convection heater on
convection outside cover.
b. Remove 3 screws holding heater bracket.
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c. Because there is black waterproof silicon gel
between convection outside cover and convection
heater, therefore it is necessary to use a knife to cut
the silicon gel, so that convection heater can be
removed from convection module smoothly.
heater, therefore it is necessary to use a knife to cut
the silicon gel, so that convection heater can be
removed from convection module smoothly.
To Replace convection fan motor
a. Remove 3 screws and 1 nut fixing convection fan
blade.
b. Remove nut and spring washer.
c. Remove convection fan blade.
d. Remove rubber washer, and then remove the clip
c. Remove convection fan blade.
d. Remove rubber washer, and then remove the clip
from shaft of the convection fan motor.
e. Remove 2 screws holding convection fan motor.
f.
Remove the fan motor.
5.6. Micro Switch (Detector Switch)
1. Turn over the oven (upside down).
2. Remove 2 screws holding the left drip tray and then remove
2. Remove 2 screws holding the left drip tray and then remove
the left drip tray.
3. Turn the oven back (bottom down).
4. Release 2 tabs from the left side of the water tank holder,
4. Release 2 tabs from the left side of the water tank holder,
then open the cover.
5. Disconnect connector from micro switch, and then take out
the micro switch.
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