Before Repair And Adjustment - Panasonic SB-WA330E Service Manual

3 Before Repair and Adjustment

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Disconnect AC power, discharge Power Supply Capacitors C546, C547, C548, C549 through a 10 Ω,
1 W resistor to ground.
DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may
destroy solid state devices.
After repairs are completed, restore power gradually using a variac, to avoid overcurrent.
Current consumption at AC 230V, 50Hz in NO SIGNAL mode should be ~400 mA (E).
Current consumption at AC 230~240V, 50Hz in NO SIGNAL mode should be ~400 mA (EB).
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