Read Panasonic NN-S453WF / NN-S553WF / NN-K593MF / NN-K573MF / NN-K573WF / NN-K543WF Service Manual online
5.3. Low voltage transformer
and/or power relays (RY1,
RY2)
RY2)
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.
(A) Using solder wick or a desoldering tool and 30W soldering
iron, carefully remove all solder from the terminal pins of the
low voltage transformer and/or power relays.
iron, carefully remove all solder from the terminal pins of the
low voltage transformer and/or power relays.
NOTE:
Do not use a soldering iron or desoldering tool of more
than 30 watts on D.P.C contacts.
than 30 watts on D.P.C contacts.
(B) With all the terminal pins cleaned and separated from
D.P.C contacts, remove the defective transformer/power relays
making sure all terminal pins are inserted completely. Resolder
all terminal contacts carefully.
D.P.C contacts, remove the defective transformer/power relays
making sure all terminal pins are inserted completely. Resolder
all terminal contacts carefully.
5.4. Fan motor
1. Disconnect 2 lead wires from fan motor terminals.
2. Remove 1 screw located
on oven
attaching orifice
assembly.
3. Remove orifice from oven assembly.
4. Remove 2 screws holding fan motor to oven assembly.
5. Remove fan blade from the fan motor shaft by pulling it
straight out.
5.5. Door assembly
1. Remove door C from door E by carefully pulling outward
starting from upper right hand corner using a flat blade
screwdriver.
screwdriver.
2. Separate door E from tabs on door A and remove door A.
3. Open Door E at the opening angle of approximately
10°(Note: The door cannot be removed if the opening
angle is greater than 10°).
angle is greater than 10°).
4. Remove the door E from its hinges by pushing the door E
upward and out.
5. Remove door screen B from door A.
6. Remove door key and door key spring.
7. Place the door´s lower hinge pin into the bottom hinge hole.
8. Use your left index finger to support the door´s lower hinge
pin while guiding the door´s upper hinge pin into the top
hinge hole.
hinge hole.
9. Lower your finger to seat the door onto the hinges.
10. Replace other components.
NOTE:
Door alignment is crucial. If door is misaligned, apply
pressure until alignment is achieved.
pressure until alignment is achieved.
NOTE:
After replacement of the defective component parts of
the door, reassemble, install, and perform microwave
leakage test.
the door, reassemble, install, and perform microwave
leakage test.
11
NN-S453WF
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