Whirlpool MH2175XSB Service Guide - Page 41

H.v. Diode, Turntable Motor

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H.V. Diode Turntable Motor NOTE: Some inexpensive meters may indicate infinite resistance in both directions. 1. Unplug microwave oven or disconnect power. 2. Measure resistance (ohmmeter scale: Rx1k): • Forward: Normal: Continuity; Abnormal: Infinite • Reverse: Normal: Infinite; Abnormal: Continuity 1. Unplug microwave oven or disconnect power. 2. Remove wire leads. 3. Measure resistance (ohmmeter scale: Rx1k): • Turntable Motor-Normal: 2.7k-3.8k ohms (approximate); Abnormal: Infinite Anode Cathode TTM 5-3

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5-3
H.V. DIODE
NOTE: Some inexpensive meters may indicate
infinite resistance in both directions.
1. Unplug microwave oven or disconnect power.
2. Measure resistance (ohmmeter scale: Rx1k):
• Forward: Normal: Continuity; Abnormal: Infinite
• Reverse: Normal: Infinite; Abnormal: Continuity
Anode
Cathode
TURNTABLE MOTOR
1. Unplug microwave oven or disconnect power.
2. Remove wire leads.
3. Measure resistance (ohmmeter scale: Rx1k):
• Turntable Motor—Normal: 2.7k-3.8k ohms (ap-
proximate); Abnormal: Infinite
TTM