The High Voltage Capacitor & Rectifier - Whirlpool MH6140XKQ/B Manual

THE HIGH VOLTAGE CAPACITOR & RECTIFIER (DIODE)
WARNING
ELECTRICAL SHOCK HAZARD
Disconnect power before servicing.
Replace all panels before operating.
Failure to do so could result in death or
electrical shock.
Refer to page 3-10 for the procedure for servic-
ing the high voltage capacitor and rectifier.
1. Disconnect the electrical power to the
microwave oven.
2. Disconnect the rectifier and wire leads
from the high voltage capacitor.
3. To test the high voltage capacitor:
a) Set the ohmmeter to the R x 1K scale.
b) Touch the ohmmeter leads to the ca-
pacitor terminals. The meter should in-
dicate several ohms, and gradually re-
turn to infinity.
c) Touch one ohmmeter lead to the ca-
pacitor case. Touch the other lead to
each of the terminals. The meter should
indicate infinity at both terminals.
High Voltage Capacitor
HV Transformer (wht)
(+) Rectifier
Magnetron Filament (red-blk)
4-4
4. To test the high voltage rectifier:
a) Set the ohmmeter to the R x 1K scale.
b) Touch the positive ohmmeter lead to
the anode lead of the rectifier and the
negative ohmmeter lead to the cathode
lead. The meter should indicate infin-
ity.
c) Reverse the ohmmeter leads on the
rectifier and the meter should indicate
infinity.
NOTE: If the meter reads below 100 Ω in
either direction, the rectifier is defective
and should be replaced.
High Voltage Rectifier
Anode
Cathode