NAD-C370-int-si2 维修电路原理图.pdf

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Service Information C370 Circuit ChangePROBLEM: There is a small residual output when the volume is set tominimum.CAUSE: Not enough attenuation of the volume control when the input level is high.SOLUTION: Increase the attenuation of the volume control by changing thevalue of R514 and R614 from 3R0 to any value up to 3R6.PRODUCTION:This circuit change has been implemented in production from serial number: H08C37000055.Contact:NAD Electronics International633 Granite CourtPickering, ON Canada L1K 3K1Voice: 905-831-0799 FAX 905-837-6357 NADwww.NADRadioFans.CN 收音机爱 好者资料库