NAD C-275BEE free download

File name C-275BEE.pdf

C275BEE C / A H STEREO AMPLIFIER SERVICE MANUAL STEREO AMPLIFIER C275BEE C/AH CONTENTS FRONT PANEL/REAR PANEL VIEW 3 SPECIFICATIONS 4 ALIGNMENT PROCEDURE/ALIGNMENT POINTS 5 WIRING DIAGRAM 6 SCHEMATIC DIAGRAM 7-12 PCB LAYOUT 13-18 ELECTRICAL PARTS LIST 19-32 EXPLODED VIEW 33 EXPLODED VIEW PARTS LIST 34 PACKING DIAGRAM 35 SERVICE SAFETY PRECAUTIONS 1. Replacing the Fuses CAUTION: FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY WITH SAME TYPE OF FUSE. REFERENCE NO. PART NUMBER DESCRIPTION Rear Panel AH A20-12103-00 Littelfuse618 T10AL/250V C A20-12702-20 Littelfuse618 T5AL/250V STANDBY Board F401 A20-12102-00 Littelfuse618 T1AL/250V NOTE: *AH : North American version only *C : European version only 2. Safety-check out (North American model only) Before returning the product to the customer, make leakage current or resistance measurements to determine that exposed parts are acceptably insulated from the supply circuit. Parts marked with the symbol are critical with regard to the risk of fire and electric shock.Replace only parts recommended by the manufacturer. -2- -3- SPECIFICATIONS FIXED IN, SPEAKER OUT Continuous average power , stereo,8 and 4 ohms at rated thd ,20-20k > 150W Continuous average power 8 ohms , bridge mode > 330W Rated thd, 20-20k, SMPTE and CCIF IMD, DIM 100 < 0.009% Clipping power ( 1% thd at 1kHz) >170W IHF dynamic power 8 ohms >250W IHF dynamic power 4 ohms >410W IHF dynamic power 2 ohms >600W IHF dynamic power 8 ohms(Bridge Mode) >800W IHF dynamic power 4 ohms(Bridge Mode) >1200W Peak output current 1msec, 1 ohm > 50A S/N A wtd re 1 W >102 dB S/N A Wtd re 150W >123 dB Damping fact