NAD-T761-avr-cc1 电路图 维修手册.pdf

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1、 Service Information T761 Circuit Change PROBLEM: Distortion ,hum and or crackling noises from all speakers in any surround mode. Stereo mode not affected. CAUSE: Capacitor C107 2200uF 16V not filtering the ripple to the 5v regulators on the DSP board due to prolonged heating of C107. SOLUTION: Repl

2、ace C107 rated 85 degrees celcius should be changed to 2200 uf 16v 105 degrees celcius rating. Note: The units affected for the T761 are serial numbers starting with #GOYT761 and GOZT761. Later production have the higher rated capacitor implemented. T751 and some T760 units may be affected. It is advisable to change the 85 degree capacitor on T751, T761, and T760 units being serviced for any reason. Contact: NAD Electronics International 633 Granite Court Pickering, ON Canada L1K 3K1 Voice: 905-831-0799 FAX 905-837-6357 NADwww.NAD RadioFans.CN 收音机爱 好者资料库