NAD-T753-avr-tbh200403 电路图 维修手册.pdf

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1、Page 1 OF 2 Technical Bulletin T753 Product: A/V Receiver Hardware Technical Bulletin: T753-H2004-03 Date:June 1, 2004 Subject: HDTV Component Video change Note:Implemented in production from Serial number: R44T75307575 Previous T.B.s required: ? ? YES ? ? NO DESCRIPTION: To improve the compatibilit

2、y of HDTV signals with some TV/Monitors. REASON: When decoding HDTV signals some TV/Monitors may experience horizontal sync loss. SOLUTION: Perform the following change to the Component video board. On the component video PCB U4301 A) Link the following pins on U4301; Pins 9 to 10 Pins 12 to 13 Pins

3、 14 to 15 Figure1 RadioFans.CN 收音机爱 好者资料库 Page 2 OF 2 Technical Bulletin T753 Product: A/V Receiver Hardware Technical Bulletin: T753-H2004-03 HDTV Component Video Change B)Remove C4317, C4319, C4321. Figure 2 C) Replace C4316, C4318, and C4320 with 1000 uF 6V. Figure 3 Contact: NAD Electronics International 633 Granite Court Pickering, ON Canada L1K 3K1 Voice: 905-831-0799 FAX 905-837-6357 RadioFans.CN 收音机爱 好者资料库