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Yamaha DSR118W Service Manual

Yamaha DSR118W
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SERVICE MANUAL
HAMAMATSU, JAPAN
Copyright (c) Yamaha Corporation. All rights reserved. YMW ´10.09
PA
012000
DSR112
DSR115 DSR215
DR118W
POWERED SPEAKER
DSR112/DSR115/DSR215/
DSR118W
SPECIFICATIONS
(総合仕様)
............................................................ 3
PANEL LAYOUT
(パネルレイアウト)
................................................. 5
CIRCUIT BOARD LAYOUT
(ユニットレイアウト)
............................. 6
DIMENSIONS
(寸法図)
..................................................................... 8
DISASSEMBLY PROCEDURES
(分解手順)
..................................... 10
CIRCUIT BOARDS
(シート基板図)
.................................................. 29
TEST PROGRAM
(テストプログラム)
............................................. 41
INSPECTIONS
(検査)
...................................................................... 51
UPDATING
(アップデート)
.............................................................. 66
PARTS LIST
BLOCK DIAGRAM
(ブロック図)
OVERALL CIRCUIT DIAGRAM
(総回路図)
CONTENTS
(目次)

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Yamaha DSR118W Specifications

General IconGeneral
Subwoofer typeActive subwoofer
Number of subwoofers1
Subwoofer peak power1020 W
Subwoofer sensitivity132 dB
Subwoofer frequency range40 - 130 Hz
Subwoofer driver diameter (imperial)18 \
XLR inYes
Product colorBlack
Power consumption (typical)100 W
Weight and Dimensions IconWeight and Dimensions
Subwoofer depth584 mm
Subwoofer width520 mm
Subwoofer height638 mm
Subwoofer weight42000 g

Summary

SPECIFICATIONS

PANEL LAYOUT

CIRCUIT BOARD LAYOUT

AMPS1/AMPS2, DSP, AC IN Circuit Boards

Diagrams and part information for critical power and processing circuit boards.

BRG, LED, IN Boards

Diagrams and part information for BRG, LED, and IN circuit boards.

DIMENSIONS

DISASSEMBLY PROCEDURES

DSR112 Disassembly

Step-by-step guide for disassembling the DSR112 speaker, including grille, speaker, horn, LED, and amp.

DSR115 Disassembly

Procedures for removing grille, speaker, and horn from DSR115.

DSR215 Disassembly

Procedures for removing grille, speakers, and horn from DSR215.

DSR118W Disassembly

Procedures for removing grille and speaker from DSR118W.

Amp Assembly Disassembly

Shield AMPS Assembly & AMPS1 Circuit Board

Procedures for removing shield assembly and AMPS1 circuit board.

ACIN Circuit Board & CNT Assembly 112

Procedures for removing ACIN board and CNT assembly.

CNT Assembly Disassembly

BRG3 Circuit Board & DSP/ASP Circuit Board

Procedures for removing BRG3 and DSP/ASP circuit boards.

IN3 Circuit Board

Procedure to remove the IN3 circuit board.

TEST PROGRAM

1. Preparation and Connection

Required items, software preparation, and connection setup for the test program.

2. Service Inspection Activation

Steps to activate the diagnostic mode and service inspection application.

INSPECTIONS

3. Test Items Overview

Overview of inspection items and procedures.

3-3. AD input port & 3-4. LED Inspection

Inspect AD input port voltage and confirm LED functionality.

3-5. SWITCH Inspection

Inspect on/off status of switches.

3-6. DSP Inspection & 3-7. A-MUTE Inspection

Inspect DSP communication and analog mute function.

3-8. D-MUTE Inspection

Inspect output level when digital mute is active.

The explanation of Application

Application Interface Elements

Explanation of title bar, buttons, menu, toolbars, tree, and list windows.

Inspection Results Display

Explanation of property, output, function key, and status windows.

Communication Error Handling

Details about communication errors and their causes.

INSPECTIONS

1. Measurement Conditions

Conditions and equipment needed for accurate measurements.

2. Inspection Items

List of inspection items including power, adjustments, and confirmations.

Discharging capacitors

1. Measurement Conditions

1-1. Measuring Instrument and jigs & 1-2. Connection

Measuring instruments, jigs, and connection setup for DSR118W.

2. Inspection Items

1-3. Preparation & 2. Inspection Items

Preparation, power indicator, power consumption, and AMPS adjustment for DSR118W.

2-4. Power consumption, 2-5. Carrier Frequency, 2-6. Thermal Protection, 2-7. FRONT LED DISABLE, 2-8. Gain

Inspection items for DSR118W including power, frequency, thermal, LED disable, and gain.

2-9. Frequency Response, 2-10. POLARITY switch, 2-11. Total Harmonic distortion, 2-12. Maximum Output, 2-13. DC protection

Inspection items for DSR118W including frequency, polarity, distortion, output, and DC protection.

2-14. Integral power protection, 2-15. LIMITER, 2-16. PEAK indicator, 2-17. Output noise level

Inspection items for DSR118W including power protection, limiter, peak, and noise level.

UPDATING

1. Required Tools, 2. Preparation, 3. Connection

Tools, software prep, and connection for firmware updating.

4. Operation procedures

Steps for performing the firmware update operation.

Error message

Update.ini File Errors

Problem and countermeasure for missing or incorrect Update.ini file.

DSR.mot File Errors

Problem and countermeasure for missing DSR.mot file.

DSR.id File Errors

Problem and countermeasure for missing DSR.id file.

File Registration Errors

Problem and countermeasure for unregistered DSR.mot and DSR.id files.

Connection Failure

Problem and countermeasure for failure to connect to the target device.

Target Update Mode Errors

Problem and countermeasure when target is not in firmware update mode.

COM Port Errors

Problem and countermeasure for COM port issues during update.

PARTS LIST

Notes: DESTINATION ABBREVIATIONS

Abbreviations for different destination models.

■ WARNING (注意)

Important safety components must be replaced with specified parts.

OVERALL ASSEMBLY DSR112

OVERALL ASSEMBLY DSR115

OVERALL ASSEMBLY DSR215

OVERALL ASSEMBLY DSR118W

AMP ASSEMBLY

CNT ASSEMBLY

JIGS

ELECTRICAL PARTS

DSP and LED

CIRCUIT DIAGRAM

BLOCK DIAGRAM

Block diagram illustrating the overall system structure.

OVERALL CIRCUIT DIAGRAM

Detailed circuit diagrams for various sections of the speaker.

DSP Circuit Diagrams

Part 1/3

Part 1/3 of the DSP circuit diagram.

Part 2/3

Part 2/3 of the DSP circuit diagram.

Part 3/3

Part 3/3 of the DSP circuit diagram.

Block Diagram Level Analysis

DSR118W Block Diagram Analysis

IN1/IN2/IN3 Circuit Diagrams

BRG1/BRG2/BRG3 / LED Circuit Diagrams

ACIN / AMPS1 Circuit Diagrams 1/3

AMPS1 Circuit Diagrams 2/4

AMPS1 Circuit Diagrams 3/4

AMPS1 Circuit Diagrams 4/4

IN4 Circuit Diagram

ASP Circuit Diagram

BRG4 / LED Circuit Diagrams

AC IN / AMPS2 Circuit Diagrams 1/3

AMPS2 Circuit Diagrams 2/3

AMPS2 Circuit Diagrams 3/3

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