Panasonic NN-G335MF Service Manual page 5

2. CAUTIONS TO BE OBSERVED WHEN
TROUBLESHOOTING
Unlike many other appliances, the microwave oven is high-voltage, high-current equipment.
Though it is free from danger in ordinary use, extreme care should be taken during repair.
Servicemen should remove their watches
whenever working close to or replacing the
magnetron.
CAUTION
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