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Audio Note DAC Kit 3.1 - User Manual

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Copyright © 2006-2011 AudioNote Kits
www.AudioNoteKits.com
audionotekits@rogers.com
Page 1
Manual Version 2.2 March 2011
Build instructions for DAC3.1, DAC3.1 Signature, DAC4.1 Limited Edition

Table of Contents

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Summary

Section 1: Introduction

Electrical Safety Warning

Crucial safety information regarding potentially harmful voltages.

Section 2: Mechanical Assembly

Mains Transformer, Choke, and Mains Installation

Guidance on fitting the mains transformer and choke into the chassis.

Configuring the Primary Winding for your World Region

Instructions for setting the mains transformer primary for specific voltage regions.

Installing the Mains Transformer

Instructions for correctly orienting and mounting the mains transformer.

Wiring up the Mains

Connecting the mains transformer to the IEC socket and rocker switch.

Section 3: M2 Power Supply

M2 Power Supply Board Parts List

Detailed list of components required for the M2 Power Supply board assembly.

M2 Power Supply Board Construction Steps

Step-by-step assembly instructions for the M2 Power Supply PCB.

Installing the Resistors

Instructions for placing and soldering resistors onto the M2 Power Supply board.

Wiring the M2 Power Supply Board

Connecting filament wires and other wiring to the M2 Power Supply board.

Regulator Installation

Instructions for mounting and securing voltage regulators to the heatsink.

Inter-wiring to the Mains Transformer

Connecting the M2 Power Supply board to the Mains Transformer.

Section 4: M2 Power Supply Testing

Ohm Check

Performing a resistance measurement before powering on the unit.

Electrical Testing

Steps for initial power-on and checking operating voltages.

Voltage Check Summary

Summary table of expected DC and AC voltage readings for verification.

Section 5: Digital Power Supply PCB

Board Installation and Wiring

Mounting the Digital Power Supply board and connecting its wiring.

Section 6: Install the Screen

Section 7: Installing the Digital PCB

Section 8: Digital Board Power Supply Connections

Section 9: Line Board Construction

5687 Filament Wiring

Connecting filament wires from M2 PSU to 5687 valve bases.

Section 10: Installing I;V transformers

Section 11: Connecting the 5687 Output

Connecting the 5687 HT to the power supply

Wiring the 5687 board's HT to the M2 Power Supply board.

Connecting the Output Transformers

Guide to connecting the output transformers to the 5687 analog board.

Section 12: Source Selection and Switching

Section 13: Turn-on Procedure

Audio Note DAC Kit 3.1 Specifications

General IconGeneral
BrandAudio Note
ModelDAC Kit 3.1
CategoryMedia Converter
LanguageEnglish

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