Whirlpool MH2175XSB Service Guide - Page 40

Magnetron, H.v. Capacitor

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Magnetron H.V. Capacitor 1. Unplug microwave oven or disconnect power. 1. Unplug microwave oven or disconnect power. 2. Remove wire leads. Check that the seal is in good condition. 3. Measure resistance (ohmmeter scale: Rx1): • Filament terminal: Normal: Less than 1 ohm 4. Measure resistance (ohmmeter scale: Rx1k): • Filament to chassis: Normal: Infinite 2. Remove wire leads. 3. Measure resistance (ohmmeter scale: Rx10k): • Terminal to terminal: Normal: Momentarily indicates several ohms, and then gradually returns to infinite. • Terminal to case: Normal: Infinite Filament Terminals F FA Magnetron 5-2

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5-2
MAGNETRON
1. Unplug microwave oven or disconnect power.
2. Remove wire leads. Check that the seal is in
good condition.
3. Measure resistance (ohmmeter scale: Rx1):
• Filament terminal: Normal: Less than 1 ohm
4. Measure resistance (ohmmeter scale: Rx1k):
• Filament to chassis: Normal: Infinite
F±lament
Term±nals
Magnetron
F
FA
H.V. CAPACITOR
1. Unplug microwave oven or disconnect power.
2. Remove wire leads.
3. Measure resistance (ohmmeter scale: Rx10k):
• Terminal to terminal: Normal: Momentarily indi-
cates several ohms, and then gradually returns
to infinite.
• Terminal to case: Normal: Infinite