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Yamaha MSR100 Service Manual

Yamaha MSR100
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0.166K-7304 Printed in Japan ’02.11
20021201-56000
SERVICE MANUAL
PA
011662
HAMAMATSU, JAPAN
CONTENTS
SPECIFICATIONS ................................................. 3
PERFORMANCE GRAPH .......................................... 4
PANEL LAYOUT ...................................... 4
CIRCUIT BOARD LAYOUT ................. 5
DIMENSIONS ............................................................ 5
LEVEL DIAGRAM ................................ 6
DISASSEMBLY PROCEDURE .............................. 7
IC BLOCK DIAGRAM ................................... 12
CIRCUIT BOARDS ......................................... 12
INSPECTIONS ............................................................ 17
BLOCK DIAGRAM
CIRCUIT DIAGRAM
PARTS LIST
MSR100/SMS100
POWERED SPEAKER
This document is printed on chlorine free (ECF) paper.
MSR100
(目次)
(総合仕様)
(特性図)
(パネルレイアウト)
(ユニットレイアウト)
(寸法図)
(レベルダイアグラム)
(分解手順)
(ICブロック図)
(シート基板図)
(検査)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Table of Contents

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Yamaha MSR100 Specifications

General IconGeneral
TweeterYes
Speaker type2-way
Number of drivers1
Speaker placementFloor
Audio output channels1.0 channels
Woofer diameter (imperial)8 \
Subwoofer driver diameter (imperial)1 \
Product colorBlack
LED indicatorsPower
Housing materialPolypropylene (PP)
Recommended usageSpeaker set unit
Impedance6 Ω
Frequency range55 - 20000 Hz
RMS rated power100 W
Crossover frequency4000 Hz
Total Harmonic Distortion (THD)1 %
Microphone sensitivity-50 dB
Connectivity technologyWired
Power consumption (typical)70 W
Weight and Dimensions IconWeight and Dimensions
Depth255 mm
Width275 mm
Height455.5 mm
Weight11000 g

Summary

Important Notices and Safety Precautions

Service Manual Usage and Safety Warnings

Information on manual usage, authorization, safety warnings for static, chemicals, and earthing.

Specifications and Performance

General Speaker and Amplifier Specifications

Technical details of speaker and amplifier units including performance, dimensions, and controls.

Layouts and Diagrams

Performance Graph and Panel Layout

Speaker frequency response graph and rear panel layout description.

Layouts and Diagrams (Continued)

Circuit Board Layouts

Diagrams showing the layout of internal circuit boards from different views.

Level Diagram

Signal Level Flow Diagram

Diagram illustrating signal flow and level changes throughout the audio path.

Disassembly Procedures

External Component Removal

Procedures for removing the front grille and the LF speaker unit.

Cabinet Separation and HF Speaker Removal

Steps to separate speaker cabinets and remove the HF speaker.

Disassembly Procedures (Continued)

Internal Component and Cabinet Removal

Procedures for removing internal components like HF speaker, network, and separating cabinets.

Disassembly Procedures (Continued)

Amplifier and Circuit Board Removal

Procedures for removing amplifier, EQ, and IN PCB assemblies.

Disassembly Procedures (Continued)

Power Amplifier Circuit Board Removal

Steps to remove the power amplifier circuit board.

Disassembly Procedures (Continued)

Power Transformer and Power Switch Removal

Procedures for removing the power transformer and power switch assemblies.

Circuit Board Layouts and Diagrams

IC Block Diagram and Board Layouts

IC block diagram and layout diagrams for AC and Power Switch circuit boards.

Circuit Board Layouts (Continued)

Power Amplifier and EQ Board Layouts

Layout diagrams for the Power Amplifier and EQ circuit boards.

Circuit Board Layouts (Continued)

IN and Network Board Layouts

Layout diagrams for the IN and Network circuit boards.

Inspections

Test Conditions and Inspection Items

Test conditions, environmental requirements, and detailed inspection items with criteria.

Block Diagrams

System Block Diagrams

Block diagrams illustrating signal flow for Input, EQ, Power Amplifier, and Network stages.

Detailed Circuit Diagrams

AC, Network, Power, Power Switch Circuits

Detailed circuit diagrams for AC, Network, Power Transformer, and Power Switch sections.

Detailed Circuit Diagrams (Continued)

EQ Circuit Diagram

Detailed schematic diagram of the Equalizer (EQ) circuit.

Detailed Circuit Diagrams (Continued)

IN Circuit Diagram

Detailed schematic diagram of the Input (IN) circuit.

Parts List

Overview and Mechanical Parts

Introduction to the parts list, abbreviations, warnings, and mechanical parts.

Assembly Views and Parts

Overall Assembly Exploded View

Exploded view illustrating the assembly of the speaker unit.

Amplifier Assembly

Exploded View and Parts Breakdown

Exploded view and list of mechanical parts for the amplifier assembly.

Electrical Parts List

Circuit Boards, Connectors, and Ancillaries

List of circuit boards, connectors, fuse holders, and wires with part numbers.

Electrical Parts (Continued)

Resistors and Variable Resistors

List of carbon, flame proof, and variable resistors with values and part numbers.

Electrical Parts (Continued)

Capacitors, Diodes, ICs, and Transistors

Lists various types of capacitors, diodes, ICs, and transistors with specifications and part numbers.

Electrical Parts (Continued)

Coils, Connectors, Diodes, and Capacitors

Lists coils, connectors, diodes, and capacitors with specifications and part numbers.

Electrical Parts (Continued)

Transistors, Resistors, Relays, and Thermistors

Lists transistors, resistors, relays, and thermistors with specifications and part numbers.

Electrical Parts (Continued)

Fuses, Switches, Speakers, and Transformers

Lists fuses, power switches, speakers, and power transformers with part numbers.

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