NAD C 372 Service Manual
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Also See for C 372:
- Owner's manual (68 pages) ,
- Service manual (22 pages) ,
- Technical specifications (2 pages)
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Summary of Contents for NAD C 372
- Page 1 Feb 2006 C 372 STEREO AMPLIFIER Downloaded from www.Manualslib.com manuals search engine...
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Page 2: Specifications
SPECIFICATIONS STEREO MODE CONTINUOUS AVERAGE POWER = 150 W (21.8 dBW) OUTPUT INTO 8 OHMS OR 4 OHMS (Min. power per channel, 20 Hz – 20 kHz, both channels driven, with no more than rated distortion) Rated Distortion = 0.03% (THD 20 Hz –... -
Page 3: Final Adjustment
ALIGNMENT PROCEDURE (C372) INITIAL ADJUSTMENT (No load connected) A. OUTPUT OFFSET VOLTAGE 1. Connect a DC Millivoltmeter between TP303 & TP304 (pin 1 of IC 301A & gnd), then adjust VR303(50kohms) to get a reading as close as 0V as possible, +/-3V. 2. -
Page 4: Main Board
MAIN BOARD Downloaded from www.Manualslib.com manuals search engine... - Page 5 Downloaded from www.Manualslib.com manuals search engine...
- Page 6 CB301 CB401 5PIN 6PIN R801 R811 RCA4C TO LEFT POWER AMP TO RIGHT POWER AMP CB501 CZ501 MAIN RIN L buff out TONE-LIN C502 C806 C807 R buff out Q801 0.1uF 0.1uF Q807 BG_O TONE RIN R506 Q802 +34V C501 R501 R504 2SA1312...
- Page 7 L VSP +20/-10% KBU1004 22n/250V KBU1004 C 372, P LE AS E WAT C H T HE V E R S ION NUMB E R 3R3/1W FP R703 Q706 10000u/80V x 6 ON T HE AMP P C B T O MAK E S UR E T HAT :...
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Page 8: Exploded View
EXPLODED VIEW S004 S003 S008 T001 S009 S002 S008 C005 S006 C003 M001 C004 M004 S006 S017 S007 S006 S006 S015 S003 C012 S004 C022 M002 C021 M005 S002 C001 S006 R003 M003 C018 S005 R002 S002 S001 C024 S005 C020 S011 C017... -
Page 9: Exploded View Parts List
EXPLODED VIEW PARTS LIST REF. NO PART NO. DESCRIPTION Qty. REF. NO PART NO. DESCRIPTION Qty. C001 67-005010-0 Transformer Shielding Box F007 76-001001-0 IR Lens C002 01-37205-10 Assemblied Pre Amp Module F008 76-003001-0 LED Lens C003 18-37371-22 Transformer C Version F009 77-002002-1 Tone Defeat Button 18-37371-12... -
Page 10: Electrical Parts List
ELECTRICAL PARTS LIST REF. NO. PART NO. DESCRIPTION L CHANNEL AMP BOARD L Channel Raw PCB 16-37202-01 Assembled L Channel PCB 01-37202-01 DIODES Switch Diode D303, D304, D305, D306, 33-44148-02 1N4148 D309 1/2W Zener Diode D302 33-11800-00 1/2W Zener Diode D301 33-11800-01 Switch Diode... - Page 11 ELECTRICAL PARTS LIST REF. NO. PART NO. DESCRIPTION 1/4W ±5% Metal Film Resistor R393 07-20243-10 1/4W ±5% Metal Film Resistor R305, R313 07-20273-10 1/4W ±5% Metal Film Resistor R321, R378, R327 07-20393-10 1/4W ±5% Metal Film Resistor R318 07-20473-10 1/4W ±5% Metal Film Resistor R324, R326...
- Page 12 ELECTRICAL PARTS LIST REF. NO. PART NO. DESCRIPTION 03-00431-00 TL431/KA431 IC, Regulator 4IC1, 4IC2 03-00082-00 TL082D IC, OP-AMP IC401 CAPACITORS 500V ±20% Cermatic Disk Capacitor C405, C407 05-22052-00 22pF 500V ±20% Cermatic Disk Capacitor C402 05-68152-00 680pF 500V ±20% Cermatic Disk Capacitor C425, C426 05-47152-00 470pF...
- Page 13 ELECTRICAL PARTS LIST REF. NO. PART NO. DESCRIPTION T0=80 C degree R467 07-70471-08 PTH9M04BF471TS2F333 R466 07-70022-09 T0=90 C degree ST-22 90C Thermal breaker VR402 09-02501-00 Variable Resistor VR401 09-02503-00 Variable Resistor INDUCTORS Inductor L401, L402 08-02100-00 10uH CONNECTORS Connector CZ404 13-23905-00 VH 3.96A-5Y1 Connector...
- Page 14 ELECTRICAL PARTS LIST REF. NO. PART NO. DESCRIPTION CONNECTIONS Connection CZ501 14-37208-00 8P2.54-A50B Connection CB502 13-22504-00 XHB 2.54A-4A PRE AMP MODULE(2 PCS) PRE AMP Module Raw PCB 16-37205-00 Assembled PRE AMP Module PCB 01-37205-00 TRANSISTORS MOSFET Q804, Q809 31-00209-00 2SK209GR Transistor Q801, Q807 31-01312-00...
- Page 15 ELECTRICAL PARTS LIST REF. NO. PART NO. DESCRIPTION IC906 03-02400-00 AT24C01 IC, EEPROM IC901 03-07400-00 74LS00 N IC, LOGIC IC IC904, IC905 03-04094-00 HEF4094/CD4094 IC, LOGIC IC IC902 03-86812-05 Z86E( C)0812PSC IC, MCU IC903 03-01701-00 GP1UV701QS IC, IR Receiver IC903 03-00038-40 (or HS0038B4) IC, IR Receiver...
- Page 16 ELECTRICAL PARTS LIST REF. NO. PART NO. DESCRIPTION D719, D720 33-14709-00 4.7V 1/2W Zener Diode D714 33-16809-00 6.8V 1/2W Zener Diode D729 33-11000-00 1/2W Zener Diode D700 33-11300-00 1/2W Zener Diode D741, D742 33-11800-00 1/2W Zener Diode D721 33-12400-02 (24V, with 24V relay) Zener Diode B703, B704 33-31542-00...
- Page 17 ELECTRICAL PARTS LIST REF. NO. PART NO. DESCRIPTION Alu Electrolytic Capacitor C736, C737 06-47012-00 47uF, CD110 100V ±20% Alu Electrolytic Capacitor C738, C739 06-10121-02 100uF, CD263 ±20% Alu Electrolytic Capacitor C112, C213 06-22121-00 220uF, CD110 ±20% Alu Electrolytic Capacitor C781 06-33111-01 330uF, CD110 ±20%...
- Page 18 ELECTRICAL PARTS LIST REF. NO. PART NO. DESCRIPTION R729, R731 07-22202-10 1/4W ±1% Metal Film Resistor R751 07-22702-10 1/4W ±1% Metal Film Resistor R758 07-26202-00 1/6W ±1% Metal Film Resistor R767 07-23903-10 390K 1/4W ±1% Metal Film Resistor R102, R104, R106, R108, R110, R112, R114, R116, R117, R202, R204, R206, 07-20105-00...
- Page 19 ELECTRICAL PARTS LIST REF. NO. PART NO. DESCRIPTION RELAY BOARD 16-37206-00 Relay Board Raw PCB 01-37206-01 Relay Board with components (C Version) 01-37206-02 Relay Board with components (AH Version) DIODES D712 33-44148-02 1N4148 Switch Diode CAPACITORS C702 05-47242-00 4.7nF, 400V, ±20%, CT81 High-Voltage Ceramic Capacitor RELAYS RL701...
- Page 20 ELECTRICAL PARTS LIST REF. NO. PART NO. DESCRIPTION OTHERS 18-37371-22 TD-230-0300A(C Version) MAIN TRANSFORMER 18-37371-12 TD-120-0300B(AH Version) MAIN TRANSFORMER 18-37060-01 TD050-E103S STANDBY TRANSFORMER 15-10125-00 T582-AH(AH Version) AC Cord 15-10250-00 T582-C(C Version) AC Cord Downloaded from www.Manualslib.com manuals search engine...
- Page 21 © NAD 2004 NAD ELECTRONICS INTERNATIONAL TORONTO Downloaded from www.Manualslib.com manuals search engine...
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