Read Panasonic SA-HE90E / SA-HE90EB / SA-HE90EG Service Manual online
1 Before Repair and Adjustment
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Disconnect AC power, discharge Power Supply Capacitors C703 - C706, C901, C904 and C1702
through a 10 ©, 5 W resistor to ground. DO NOT SHORT-CIRCUIT DIRECTLY (with a screw driver
blade, for instance), as this may destroy solid state devices.
through a 10 ©, 5 W resistor to ground. DO NOT SHORT-CIRCUIT DIRECTLY (with a screw driver
blade, for instance), as this may destroy solid state devices.
After repairs are completed, restore power gradually using a variac, to avoid over current.
Current consumption at AC 230V, 50Hz in NO SIGNAL mode should be 200~600 mA.
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