NAD-713-avr-sh79819 电路图 维修手册.pdf

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NAD 713 SERVICE HINT PROBLEM: A buzz is audible in the centre and rear channel. CAUSE: Not proper grounding of the amplifier. SOLUTION: Cut the shielding of cable to center / rear amplifier (P621) on the volume control PCB side (P621a). Solder on this side a cable directly to the PCB and solder the other end to the grounding of P621b. PRODUCTION: PAGE 7-98-19 RadioFans.CN 收音机爱 好者资料库