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NAD 2400 Service Manual

NAD 2400
13 pages
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MONITOR
SERIES
POWER
AM
PL
fae

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NAD 2400 Specifications

General IconGeneral
Total Harmonic Distortion0.03%
Power Output100 watts per channel into 8 ohms
Frequency Response20Hz to 20kHz
Input Sensitivity1.0V
Speaker Load Impedance4 to 8 ohms

Summary

NAD 2400 Service Safety Precautions

General Safety and Part Replacement Guidelines

Outlines general safety rules, including using correct parts and restoring original lead dress for safe operation.

Electrical Leakage Testing Procedures

Details cold and live leakage tests to ensure product safety before customer return, specifying acceptable limits.

NAD 2400 Rear Panel Connection Guide

Rear Panel Connector Descriptions

Identifies and describes each connection port on the rear panel, including AC input, speaker outputs, and inputs.

NAD 2400 Front Panel Control Overview

Front Panel Control and Indicator Functions

Identifies and describes each control knob, button, and status indicator on the front panel.

NAD 2400 Performance Specifications (Stereo Mode)

Stereo Continuous Average Power Output Details

Details RMS power output per channel into various impedances, measured according to EIA standards.

Stereo Dynamic Headroom and Power Metrics

Specifies IHF dynamic headroom and peak power capabilities at 8 ohms for stereo mode operation.

Frequency Response and Filter Characteristics

Outlines frequency response across inputs and describes infrasonic/ultrasonic filter characteristics.

Stereo Distortion and Noise Performance

Lists THD, SMPTE IM, and IHF IM distortion, plus signal-to-noise ratio for stereo operation.

NAD 2400 Bridged Mode Performance

Bridged Monophonic Power Output Specifications

Details continuous average power output and dynamic power in bridged monophonic mode.

Bridged Monophonic Dynamic Headroom Metrics

Specifies IHF dynamic headroom for the bridged monophonic mode.

NAD 2400 Physical Dimensions and Weight

Amplifier Dimensional and Weight Data

Lists the physical dimensions, net weight, and shipping weight of the amplifier unit.

Amplifier Power Consumption and Voltage

Provides information on the power consumption and voltage ratings of the amplifier unit.

NAD 2400 Main Amplifier Calibration

Main Amplifier Alignment Preparation Notes

Provides crucial preparatory notes and safety advice before performing amplifier alignment procedures.

Center Voltage Calibration Procedure

Details the procedure for checking and verifying the center voltage of the main amplifier circuit.

Idle Current Adjustment Procedure

Explains how to adjust the idle current for optimal performance of the main amplifier.

Final Main Amplifier Alignment Steps

Outlines the final steps for completing the main amplifier alignment process.

NAD 2400 Schematic Diagram Analysis

Amplifier Circuit Schematic Details

Presents the detailed electrical schematic diagram for the amplifier's internal circuitry.

NAD 2400 Printed Circuit Board Layouts

PCB Layouts for Amplifier Assemblies

Illustrates the physical layout of various printed circuit board assemblies within the amplifier.

NAD 2400 Internal Wiring Diagram

Wiring Connections Between Assemblies

Displays the complete wiring diagram showing interconnections between components and assemblies.

NAD 2400 Exploded Component View

Exploded View of Amplifier Components

Provides an exploded view illustration of the amplifier's internal and external components for assembly reference.

NAD 2400 Exploded Parts List

Component Parts Identification and Numbers

Lists all parts shown in the exploded view with their corresponding part numbers and descriptions.

NAD 2400 Electrical Parts List (Main Supply PCB)

Main/Supply PCB Component Specifications

Lists the electrical components for the main/supply PCB assembly, including part numbers and symbols.

NAD 2400 Electrical Parts List (Other PCBs)

Mains Input PCB Component List

Lists electrical components specific to the mains input PCB assembly.

Indicator Assemblies Component List

Details electrical parts for power, soft/protect, and overload indicator assemblies.

Chassis-Mounted Components Listing

Lists electrical components mounted directly onto the amplifier chassis.

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