NAD-T163-pre-tb4维修电路原理图.pdf

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1、 Technical Bulletin T163 Product: A/V Receiver Hardware Technical Bulletin: T163-H2005-04 Date: February 28/05 Subject: Intermittantly shuts down Note: Implemented in production from serial number:R46T16301386 Previous T.B.s required: YES NO DESCRIPTION: Unit may shut down, shortly after turn on. RE

2、ASON: There is a diode on the standby board that maybe operating intermittantly. SOLUTION: Locate and identify D756 on the standby board. Change only if the diode is a 1N4148. Change from a 1N4148 to a 1N4004 or equivalent. See figure 1 for details. Figure 1 D756 CHANGE FROM 1N4148 TO 1N4004 Contact: NAD Electronics International 633 Granite Court Pickering, ON Canada L1K 3K1 Voice: 905-831-0799 FAX 905-837-6357 Page 1 of 1 RadioFans.CN 收音机爱 好者资料库