Before Repair And Adjustment - Panasonic SA-AK310GC Service Manual

2 Before Repair and Adjustment

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Disconnect AC power, discharge Power Supply Capacitors C520 and C540 through a 10 , 5W
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.
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