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Table of Contents
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Summary of Contents for NAD C 300
- Page 1 December 2005 C 300 STEREO AMPLIFIER...
- Page 2 TABLE OF CONTENTS DESCRIPTION P A G E REAR PANEL/FRONT PANEL VIEW………………………………………...3 SPECIFICATIONS…………………………………………………………….4-5 DISASSEMBLY INSTRUCTIONS……………………………………………..6 ALIGNMENT PROCEDURE……………………………………………………7 PCB LAYOUT………………………………………………………………. 8-9 SCHEMATIC DIAGRAM…………………………………………………..10 WIRING DIAGRAM…………………………………………………………….11 IC BLOCK DIAGRAM…………………………………………………….…...12 ELECTRICAL PARTS LIST………………………………………………13-16 EXPLODED VIEW PARTS LIST……………………………………………..17 EXPLODED VIEW……………………………………………………………..18 PACKING DIAGRAM………………………………………………………….19 _SERVICE SAFETY PRECAUTIONS_ 1.
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Page 4: Specifications
SPECIFICATIONS POWER AMPLIFIER SECTION STEREO MODE CONTINUOUS AVERAGE POWER OUTPUT INTO 8 OHMS…….…………25W (Min. Power per channel, 20Hz-20kHz, both channels driven, with no more than rated distortion) Rated impedance……………………………………………………………….….4-8ohms Rated distortion (THD 20Hz-20kHz)………………….………………………….0.03% Clipping power (maximum continuous power per channel) ..…………………30W IHF dynamic headroom at 8 ohms………………….……………………………+2.4dB IHF dynamic power 8 ohms: ………………….…………………………..43W... -
Page 5: Alignment Procedure
ALIGNMENT PROCEDURE A. OUTPUT OFFSET VOLTAGE 1.Push Power on, preheat unit for 5 minutes. 2.Connect the DC Millivoltmeter to L Channel speaker output terminals or TP5 and TP7, adjust VR301 to get a reading of 0V±30mV. 3.Connect the DC Millivoltmeter to R Channel speaker output terminals or TP6 and TP8, adjust VR401 to get a reading of 0V±30mV. -
Page 9: Wiring Diagram
WIRING DIAGRAM ＲＥＤ（ＣＥ） ＢＬＵＥ（ＡＨ） ＢＲＯＷＮ （ＣＥ） ＢＬＵＥ （ＣＥ） ＢＬＡＣＫ（ＡＨ） ＢＬＵＥ（ＡＨ） ＷＨＩＴＥ（ＡＨ） ＷＨＩＴＥ（ＡＨ） ＰＲＥ－ＥＮＤ ＢＡＲ - 9 -... - Page 10 REF. NO. PART NO. DESCRIPTION RESISTORS R717 07-90001-00T t= 90° Posistor R813×2 07-05082-06 1/6W Carbon Film Resistor R1, R617, R618, R619, R620, 07-05100-06 1/6W Carbon Film Resistor R815x2 R615, R616, R814×2 07-05330-06 1/6W Carbon Film Resistor R809×2 07-05680-06 1/6W Carbon Film Resistor R808×2 07-05221-06 1/6W...
- Page 11 REF. NO. PART NO. DESCRIPTION R621 07-05102-06D 1/6W Metal Film Resistor R803×2 07-05222-06D 1/6W Metal Film Resistor R807×2, R819×2 07-05103-06D 1/6W Metal Film Resistor R120, R220 07-05393-06D 1/6W Metal Film Resistor R63, R64 07-01225-06D 1/6W Metal Film Resistor R801×2 07-01225-06D 1/6W Metal Film Resistor R303, R403...
- Page 12 REF. NO. PART NO. DESCRIPTION C508, C707 06-50105-20 ±20% Electrolytic Capacitor C504, C505 06-50475-20 4.7uF ±20% Electrolytic Capacitor C803×2 06-16106-20M 10uF ±20% Electrolytic Capacitor C721 06-25106-20 10uF ±20% Electrolytic Capacitor C727, C728 06-35106-20 10uF ±20% Electrolytic Capacitor C705, C716, C717, C725, 06-50106-20 10uF ±20%...
- Page 13 REF. NO. PART NO. DESCRIPTION Q302, Q402, Q701, Q704, 01-01775-000 2SC1775AE Small Signal Transistor Q705, Q707 Q306, Q406, Q505, Q708, 01-01815-070 2SC1815-GR Small Signal Transistor Q709 Q301, Q401 01-02878-020 2SC2878-A Switching Transistor Q67, Q68, Q706, Q807× 2 01-00669-001 2SD669A Power Transistor Q307, Q308, Q407, Q408 01-00055-003 STP55NE06L...
- Page 14 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION Qty. Qty. C001 45-00300-01 Chassis 17-01200-06 6-Pin RCA C002 45-00300-04 Base Cover C037 45-00320-08 Module Support 1 C003 53-00320-05 Foot C004 56-00320-01 Foot Pad F001 55-00300-01 Fascia C005 09-16103-12M Volume Potentiometer F002 53-00300-01 Input Button Lozenge...
- Page 15 T001 T001 R003 R003 C013 C013 C014 C014 R002 R002 C013 C013 C017 C017 R001 R001 C012 C012 0005 0005 0004 0004 C011 C011 C019 C019 0004 0004 0005 0005 C020 C020 C018 C018 C021 C021 C010 C010 0005 0005 0002 0002 C009...
- Page 17 MEMO...
- Page 18 © NAD 2005 NAD ELECTRONICS INTERNATIONAL TORONTO...