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Yamaha DXS Series User Manual

Yamaha DXS Series
88 pages
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HAMAMATSU, JAPAN
DXS12: 201202-92400
DXS15: 201202-102900
PA
012042
SERVICE MANUAL
Copyright (c) Yamaha Corporation. All rights reserved. PDF ’12.03
SPECIFICATIONS(総合仕様) ........................................... 3
PANEL LAYOUT(パネルレイアウト) ................................ 4
CIRCUIT BOARD LAYOUT(ユニットレイアウト) ........... 5
DIMENSIONS(寸法図) ...................................................... 7
DISASSEMBLY PROCEDURE(分解手順) ........................ 8
LSI PIN DESCRIPTION(LSI 端子機能表) ....................... 18
CIRCUIT BOARDS(シート基板図) ................................. 19
TEST PROGRAM(テストプログラム) ............................ 27
INSPECTIONS(検査) ...................................................... 37
UPDATING(アップデート) ............................................. 46
PARTS LIST
BLOCK DIAGRAM(ブロックダイアグラム)
LEVEL DIAGRAM(レベルダイアグラム)
CIRCUIT DIAGRAM(回路図)
CONTENTS(目次)
DXS12 DXS15

Table of Contents

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Yamaha DXS Series Specifications

General IconGeneral
TypePowered Subwoofer
SeriesDXS
Amplifier ClassClass D
Woofer Size18 inches
InputsXLR
OutputsXLR
Crossover Frequency80Hz - 120Hz
Phase Switch0 or 180 degrees
Enclosure MaterialPlywood

Summary

Important Notices

Specifications

Panel Layout

Rear Panel Layout Details

Specific description of the rear panel components and controls.

Circuit Board Layout

Dimensions

Disassembly Procedure

Metal Grille Assembly

Steps to remove the metal grille assembly.

LED Panel and Circuit Board

Steps to remove the LED panel and circuit board.

Port Board Assembly

Steps to remove the port board assembly.

Speaker (Woofer)

Steps to remove the speaker (woofer) component.

Amp Assembly

Steps to remove the amplifier assembly.

Amp Assembly Disassembly

Amp Cover Assembly

Steps to remove the amplifier's cover.

SUBW3 Circuit Board

Steps to remove the SUBW3 circuit board.

Shield Assembly

Steps to remove the shield assembly.

AMPSW Circuit Board

Steps to remove the AMPSW circuit board.

SUBW4 Circuit Board

Steps to remove the SUBW4 circuit board.

SUBW1 Circuit Board

Steps to remove the SUBW1 circuit board.

DSPW and SUBW2 Circuit Boards

Steps to remove DSPW and SUBW2 boards.

DC Fan Removal

Steps to remove the DC fan.

LSI Pin Description

Circuit Boards

Test Program

Preparation for Test Program

Setup steps including items, software, and connections.

Service Inspection Procedure

Steps for performing the service inspection.

Activating Diagnostic Mode and Application

How to activate diagnostic mode and application.

Test Items Overview

List of specific tests to perform.

Application Explanation

Inspections

Measurement Setup

Conditions, instruments, jigs, filters, and connections for measurements.

Performance and Power Checks

Verifying power, gain, response, distortion, noise, and output.

Functional and Safety Checks

Checking indicators, switches, fans, mute, protection, and AC operation.

Updating

Required Tools for Firmware Update

Tools needed for firmware update.

Firmware Update Preparation

Steps to prepare for firmware update.

Firmware Update Connection

How to connect for firmware update.

Firmware Update Operation Procedures

Steps to perform the firmware update.

Error Messages During Firmware Update

Troubleshooting common update errors.

Parts List

Overall Assembly Parts

Parts list for the overall unit assembly.

LED Panel Assembly Parts

Parts list for the LED panel assembly.

Metal Grille Assembly Parts

Parts list for the metal grille assembly.

Amp Assembly Parts

Parts list for the amp assembly.

Jigs Parts

List of included jigs and accessories.

Electrical Parts - AMPSW

List of electrical components for AMPSW board.

Electrical Parts - DSPW

List of electrical components for DSPW board.

Electrical Parts - SUBW

List of electrical components for SUBW boards.

Circuit Diagram

Notation for Circuit Diagrams

Explains symbols and conventions used in diagrams.

Identifying Inter-Sheet Connectors

How to locate connectors between sheets.

Connector Connection Details

How connectors are wired between boards.

Block Diagram

Level Diagram

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