NAD-S100-pre-si维修电路原理图.pdf

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PAGE 1-01-01 Service Tip S100 Modification PROBLEM: Some leds are brighter than others. CAUSE: Variation in led brightness. SOLUTION: Adjust current in leds to give even brightness. Change R477 from 2K67 or 2K74 to 3K. Change R533 from 18k or 9k1 to 6k2. PRODUCTION: This modification has been implemented in production from serial number:1635 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