Read Panasonic NN-ST270S / NN-ST270SZPE Service Manual online
5-4
D. DOOR ASSEMBLY REMOVAL
1) Open the door.
CAUTION : Be careful not to damage Door C
by screwdriver.
3) Lift up and pull the door.
NOTE:
1. After replacing the door, be sure to check that the
1. After replacing the door, be sure to check that the
primary switch, monitor switch, and secondary switch
operate normally.
operate normally.
2. After replacing the door, check for microwave energy
leakage with a survey meter. Microwave energy must
be below the limit of 5 mW/cm
be below the limit of 5 mW/cm
2
. (with a 275 ml water
load)
3. When mounting the door assembly to the oven
assembly, be sure to adjust the door assembly parallel
to the chassis. Also adjust so the door has no play
between the inner door surface and oven frame
assembly. If the door assembly is not mounted
properly, microwaves may leak from the clearance
between the door and the oven.
to the chassis. Also adjust so the door has no play
between the inner door surface and oven frame
assembly. If the door assembly is not mounted
properly, microwaves may leak from the clearance
between the door and the oven.
E. HIGH VOLTAGE TRANSFORMER
REMOVAL
1) Discharge the high voltage capacitor.
2) Disconnect the leadwire from magnetron, high voltage
2) Disconnect the leadwire from magnetron, high voltage
transformer, and capacitor.
3) Remove the screw holding the high voltage
transformer to the baseplate.
Remove door Assembly
Remove door Assembly
to the Cavity Ass'y.
2) Remove two screws holding the Hinge
F.
1) Discharge the high voltage capacitor.
2) Disconnect the leadwire from fan motor, noise filter
2) Disconnect the leadwire from fan motor, noise filter
and high voltage capacitor.
3) Remove the two screws holding the orifice
oven cavity and remove the high voltage
earth screw.
4) Remove the screw of the capacitor bracket.
5) Remove the two screws holding the fan motor ASS’Y
5) Remove the two screws holding the fan motor ASS’Y
to the Orifice
G. HIGH VOLTAGE CAPACITOR AND
DIODE REMOVAL
1) Discharge the high voltage capacitor.
2) Disconnect the leadwire from fan motor, noise filter
and high voltage capacitor.
cavity
and
remove
the
high
voltage
diode
earth screw.
4) Remove the screw holding the high voltage capacitor
bracket.
3) Remove the screw holding the Orifice
ORIFICE
to the
diode
ASSEMBLY REMOVAL
ASS’Y
.
ASS’Y
the oven
to
ASS’Y
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