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3-7
THE LINE FUSE, HIGH VOLTAGE RECTIFIER,
& HIGH VOLTAGE CAPACITOR
High Voltage Capacitor
High Voltage Rectifier (Diode)
Anode
Cathode
Line Fuse W/Fuseholder
Refer to page 2-24 for the procedure for servic-
ing the line fuse, the high voltage rectifier
(diode), and the high voltage capacitor.
1.
Disconnect the electrical power to the
microwave oven.
2.
To test the line fuse
:
a) Unclip the fuse from the fuseholder.
b) Set the ohmmeter to the R x 1 scale.
c) Touch the ohmmeter leads to the ends
of the fuse. The meter should indicate
continuity if the fuse is good. If the fuse
is open, the meter will indicate infinity.
b) Set the ohmmeter to the R x 1K scale.
c) Touch the positive ohmmeter lead to
the anode lead of the diode and the
negative lead to the cathode. The meter
should indicate continuity.
d) Reverse the ohmmeter leads on the
diode and the meter should indicate
infinity.
4.
To test the high voltage capacitor:
a) Disconnect the diode and wires from
the high voltage capacitor terminals.
b) Set the ohmmeter to the R x 1K scale.
c) Touch the ohmmeter leads to the ca-
pacitor terminals. The meter should in-
dicate several ohms, and gradually re-
turn to infinity.
d) Touch one of the ohmmeter leads to
the chassis and the other to the capaci-
tor terminals. The meter should indicate
infinity.
Electrical Shock Hazard
Disconnect power before servicing.
Replace all panels before operating.
Failure to do so could result in death or
electrical shock.
WARNING
3.
To test the high voltage rectifier:
a) Disconnect the diode lead from the high
voltage capacitor.
Содержание KAC-24
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