NAD-S170I-int-si1 维修电路原理图.pdf
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NAD-S170I-int-si1 维修电路原理图.pdf
Service Information S170 You may have a complaint about the S170 initialising. This maybe due to the power supply connector pins making poor contact.To improve contact between the power supply and the pc boardperform the following .From the connector marked X27 ,the wires will haveto be soldered directly to the pins on the pc board . This is a 6 pin connectorwith only 5 wires used. Unplug the connector from the board and cut thewires from the connector. Strip and solder each power supply wire to itscorresponding pin labelled on the pc board. See diagram 1. Use heat shrinktubing to prevent shorting the wires when soldering to the pins on the pcboard . I f the unit is received for general service this procedure should becarried out.Diagram 1! THIS AREA OF THE CONNECTOR POWER SUPPLY DO NOT TOUCH.X27 MAIN Cut wires here PC BOARD Strip and solder to pc board connectorwwContact:NAD Electronics International633 Granite CourtPickering, ON Canada L1K 3K1Voice: 905-831-0799 FAX 905-837-6357 Red wireGreen wireGreen wireGray wireYellow wireDGND+5v-15vAGND+15VAGND+5v adj.RadioFans.CN 收音机爱 好者资料库 Service Information S170 You may have a complaint about the S170 initialising. This maybe due to the power supply connector pins making poor contact.To improve contact between the power supply and the pc boardperform the following .From the connector marked X27 ,the wires will haveto be soldered directly to the pins on the pc board . This is a 6 pin connectorwith only 5 wires used. Unplug the connector from the board and cut the wiresfrom the connector. Strip and solder each power supply wire to itscorresponding pin labelled on the pc board. See diagram 1. Use heat shrinktubing to prevent shorting the wires when soldering to the pins on the pcboard . I f the unit is received for general service this procedure should becarried out.Diagram 1! THIS AREA OF THE CONNECTOR POWER SUPPLY DO NOT TOUCH.X27 MAIN Cut wires here PC BOARD Strip and solder to pc board connectorwwContact:NAD Electronics International633 Granite CourtPickering, ON Canada L1K 3K1Voice: 905-831-0799 FAX 905-837-6357 Red wireGreen wireGreen wireGray wireYellow wireDGND+5v-15vAGND+15VAGND+5v adj.RadioFans.CN 收音机爱 好者资料库
