NAD-L70-avr-tb3 维修电路原理图.pdf

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1、 Service Information L70 Circuit Change PROBLEM: You may have the complaint that the TV SCART RGB output is not switching automatically. CAUSE: The drive current of some television sets is not sufficient to switch the RGB output. SOLUTION: Delete RE31 100 ohm resistor on video board. Add a 10 ohm re

2、sistor between PIN 16 of SCART connector (one leg of RE31) and +5V rail(one leg of R554) on video board. See photo and schematic diagram. Photo RadioFans.CN 收音机爱 好者资料库 - 2 - Schematic PRODUCTION: All production to September 2003 are affected. Serial numbers to be advised. Contact: NAD Electronics International 633 Granite Court Pickering, ON Canada L1K 3K1 Voice: 905-831-0799 FAX 905-837-6357 10/07/03 RadioFans.CN 收音机爱 好者资料库