Panasonic NE-1878BPQ, Service Manual

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6 Troubleshooting Guide
6.1. Precautions when repairing
To prevent accidents during repair and ensure your safety after the repair, be sure to read or refer to “Safety Precautions” describing
precautions that you must observe when repairing.
6.2. Before repair
6.3. Discharging high-voltage capacitor
When the confirmation of power-on is performed, always
discharge the capacitor as shown below.
6.3.1. Method of discharging the high-
voltage capacitor
• Be sure to unplug the AC cord, leave it for 30 sec. and then
unplug the connector of magnetron.
• Short circuit the chassis (lower plate, oven, etc.) and inverter
terminal of the high-voltage lead wire, then heater terminals
of the magnetron.
Touch the lead wire for shot-circuiting first on the chassis.