NAD C300 Service Manual

Other manuals for C300: Specification Sheet, Owner's Manual
Manual is about: NAD C300: User Guide

Summary of C300

  • Page 1

    Nad ser vice manual c 300 stereo amplifier c 3 00 stereo amplifier december 2005.

  • Page 2: Table Of Contents

    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...

  • Page 4: Specifications

    - 4 - 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) …………………....

  • Page 5: Alignment Procedure

    TP5 TP6 TP7 TP8 VR302 VR 30 1 VR 40 1 D3 05 D4 05 VR402 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 millivolt...

  • Page 9: Wiring Diagram

    RC H- BA R GN D- BA R PO WE R TR AN SF OR ME R CB 70 4 HE AD PH ON E BO AR D PO WE R SW IT CH BO AR D PO WE R LE D BO AR D DI SP LA Y BO AR D MO DU LE 1 TO C Z3 01 MO DU LE 2 TO C Z4 01 MO DU LE 3 TO C Z6 1 CB 50 1 CB 10 2 MA IN B OA RD TO NE C ON TR OL B OA RD RED(CE) BLUE(AH) BROWN (CE) BLUE (CE) ...

  • Page 10

    Resistors r717 07-90001-00t t= 90° posistor r813×2 07-05082-06 8r2 1/6w 5% carbon film resistor r1, r617, r618, r619, r620, r815x2 07-05100-06 10 1/6w 5% carbon film resistor r615, r616, r814×2 07-05330-06 33 1/6w 5% carbon film resistor r809×2 07-05680-06 68 1/6w 5% carbon film resistor r808×2 07-0...

  • Page 11

    Ref. No. Description part no. R621 07-05102-06d 1k 1/6w 5% metal film resistor r803×2 07-05222-06d 2k2 1/6w 5% metal film resistor r807×2, r819×2 07-05103-06d 10k 1/6w 5% metal film resistor r120, r220 07-05393-06d 39k 1/6w 5% metal film resistor r63, r64 07-01225-06d 2m2 1/6w 1% metal film resistor...

  • Page 12

    Ref. No. Description part no. C508, c707 06-50105-20 1uf 50v ±20% electrolytic capacitor c504, c505 06-50475-20 4.7uf 50v ±20% electrolytic capacitor c803×2 06-16106-20m 10uf 16v ±20% electrolytic capacitor c721 06-25106-20 10uf 25v ±20% electrolytic capacitor c727, c728 06-35106-20 10uf 35v ±20% el...

  • Page 13

    Ref. No. Description part no. Q302, q402, q701, q704, q705, q707 01-01775-000 2sc1775ae small signal transistor q306, q406, q505, q708, q709 01-01815-070 small signal transistor q301, q401 01-02878-020 2sc2878-a switching transistor q67, q68, q706, q807×2 01-00669-001 2sd669a power transistor q307, ...

  • Page 14

    Qty. Qty. C001 45-00300-01 chassis 1 17-01200-06 6-pin rca 1 c002 45-00300-04 base cover 1 c037 45-00320-08 module support 1 1 c003 53-00320-05 foot 4 c004 56-00320-01 foot pad 4 f001 55-00300-01 fascia 1 c005 09-16103-12m volume potentiometer 1 f002 53-00300-01 input button lozenge 1 c006 11-03007-...

  • Page 15

    F001 f001 f002 f002 f003 f003 f010 f010 f007 f007 f005 f005 f007 f007 f006 f006 f008 f008 f009 f009 f004 f004 s001 s001 s002 s002 s003 s003 s004 s004 s005 s005 s006 s006 s007 s007 c001 c001 c002 c002 c003 c003 c004 c004 c005 c005 c006 c006 c007 c007 c008 c008 c009 c009 c010 c010 c011 c011 c012 c012 ...

  • Page 17: Memo

    Memo.

  • Page 18: Ser

    Ser vice manual © nad 2 005 c 300 stereo am plifie r nad electronics international toronto.