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4
1.2.
Before Repair and Adjustment
Disconnect AC power to discharge unit AC Capacitors as such (C5700, C5701, C5702, C5704, C5705, C5706) through a 10
Ω
, 10
W resistor to ground.
Caution:
Caution:
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, 50 Hz in NO SIGNAL mode at volume minimum should be ~ 500 mA.
Current consumption at AC 230V, 50 Hz in NO SIGNAL mode at volume minimum should be ~ 500 mA.
1.2.1.
.Caution for fuse replacement
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