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Yamaha HS50M - User Manual

Yamaha HS50M
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HAMAMATSU, JAPAN
Copyright (c) Yamaha Corporation. All rights reserved. PDF Printed in Japan ’05.12
POWERED MONITOR SPEAKER
HS80M SPECIFICATIONS (総合仕様)..................................... 3
HS50M SPECIFICATIONS (総合仕様)..................................... 4
DIMENSIONS (寸法図)........................................................... 5
PANEL LAYOUT (パネルレイアウト)...................................... 6
CIRCUIT BOARD LAYOUT (ユニットレイアウト).................. 7
HS80M DISASSEMBLY PROCEDURE (分解手順................. 8
HS50M DISASSEMBLY PROCEDURE (分解手順............... 11
CIRCUIT BOARDS (シート基板図)........................................ 14
HS80M INSPECTIONS (検査)............................................... 15
HS50M INSPECTIONS (検査)............................................... 16
BLOCK DIAGRAM (ブロックダイアグラム)
OVERALL CIRCUIT DIAGRAM (総回路図
PARTS LIST
CONTENTS (目次)
HS80M: 200510-47250
HS50M: 200510-26250
HS80M/HS50M
011806
PA
SERVICE MANUAL
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Summary

Safety and Important Notices

General Service Warnings and Precautions

Covers service procedures, authorization, static discharge, and power handling safety.

Chemical Content and Earthing Requirements

Details lead content, solder safety, and proper earthing procedures for the apparatus.

HS80 M Specifications

General Specifications

Details general technical specifications for the HS80M speaker, including dimensions and frequency response.

Speaker and Amplifier Unit Details

Describes speaker components, enclosure, and amplifier unit specifications like output power and controls.

HS80 M Performance Graph

Displays the frequency response graph for the HS80M speaker.

HS50 M Specifications

General Specifications

Details general technical specifications for the HS50M speaker, including dimensions and frequency response.

Speaker and Amplifier Unit Details

Describes speaker components, enclosure, and amplifier unit specifications like output power and controls.

HS50 M Performance Graph

Displays the frequency response graph for the HS50M speaker.

Speaker Dimensions

HS80 M External Dimensions

Provides detailed diagrams of the HS80M speaker's external dimensions in mm and inches.

HS50 M External Dimensions

Provides detailed diagrams of the HS50M speaker's external dimensions in mm and inches.

Front Panel Layout and Controls

Panel Layout Overview

Illustrates the front panel layout and numbered controls for both HS80M and HS50M speakers.

Control Functions Explained

Details the function of each numbered control on the speaker's front panel, including EQ and Room Control.

Circuit Board Layouts

HS80 M Circuit Board Layout

Shows the internal circuit board layout and component areas for the HS80M model.

HS50 M Circuit Board Layout

Shows the internal circuit board layout and component areas for the HS50M model.

HS80 M Disassembly Procedures

Woofer, Tweeter, and Rear Panel Removal

Instructions for safely removing the woofer, tweeter, and rear panel assembly from the HS80M.

Amplifier and Input Circuit Board Removal

Steps for removing the amplifier and input circuit boards from the HS80M.

Power System Circuit Board Removal

Guide for removing the TRANS and AC INLET circuit boards.

HS50 M Disassembly Procedures

Woofer, Tweeter, and Rear Panel Removal

Instructions for safely removing the woofer, tweeter, and rear panel assembly from the HS50M.

Amplifier and Input Circuit Board Removal

Steps for removing the amplifier and input circuit boards from the HS50M.

Power System Circuit Board Removal

Guide for removing the TRANS and AC INLET circuit boards.

Circuit Board Schematics

Input Circuit Board Schematic

Detailed schematic diagram of the input section circuitry, including controls and connectors.

Amplifier Circuit Board Schematic

Detailed schematic diagram of the amplifier section circuitry, including power and output stages.

Power Supply Circuit Schematics

Schematics for the transformer and AC inlet sections, covering power supply components.

HS80 M Inspection Procedures

Test Conditions

Defines the test conditions required for HS80M inspection, including signal and load parameters.

Output Specifications

Lists the output specifications and acceptable limits for HS80M performance checks.

Tone Control and Noise Specs

Details tone control characteristics and residual noise limits for HS80M inspection.

HS50 M Inspection Procedures

Test Conditions

Defines the test conditions required for HS50M inspection, including signal and load parameters.

Output Specifications

Lists the output specifications and acceptable limits for HS50M performance checks.

Tone Control and Noise Specs

Details tone control characteristics and residual noise limits for HS50M inspection.

Block Diagram Overview

Signal Flow and Functional Blocks

Illustrates the overall signal path and functional blocks of the speaker system.

Power Supply and Control Path

Shows the power supply distribution and control signal paths within the speaker.

HS80 M Input Circuit Diagram

Input and Level Control Circuitry

Details the circuitry for input signal handling and level control.

EQ and Filter Circuitry

Illustrates the circuits for equalization, low cut, and step filtering.

HS80 M Amplifier and Power Circuit Diagram

Amplifier and Output Stage Circuitry

Details the circuitry for the power amplifier stage and output connections.

Power Transformer and AC Inlet Circuitry

Illustrates the circuitry for the power transformer and AC inlet.

HS50 M Input Circuit Diagram

Input and Level Control Circuitry

Details the circuitry for input signal handling and level control.

EQ and Filter Circuitry

Illustrates the circuits for equalization, low cut, and step filtering.

HS50 M Amplifier and Power Circuit Diagram

Amplifier and Output Stage Circuitry

Details the circuitry for the power amplifier stage and output connections.

Power Transformer and AC Inlet Circuitry

Illustrates the circuitry for the power transformer and AC inlet.

Parts List and Notes

Parts Identification

Comprehensive list of all available parts for the HS80M/HS50M speakers with part numbers.

Destination Codes and Warnings

Explains destination abbreviations, part numbering conventions, and safety markings.

HS80 M Overall Assembly Diagram

Cabinet and Speaker Assembly

Illustrates the assembly of the speaker cabinet, including the woofer, tweeter, and related parts.

Internal Component Layout

Shows the arrangement of internal components like the rear panel, fuse, and power cord.

HS80 M Parts Details

Mechanical and Speaker Components

Lists mechanical components, screws, and speaker drivers for the HS80M.

Electrical Components and Accessories

Details electrical components, circuit boards, fuses, and accessories for the HS80M.

HS50 M Overall Assembly Diagram

Cabinet and Speaker Assembly

Illustrates the assembly of the speaker cabinet, including the woofer, tweeter, and related parts.

Internal Component Layout

Shows the arrangement of internal components like the rear panel, fuse, and power cord.

HS50 M Parts Details

Mechanical and Speaker Components

Lists mechanical components, screws, and speaker drivers for the HS50M.

Electrical Components and Accessories

Details electrical components, circuit boards, fuses, and accessories for the HS50M.

Summary

Safety and Important Notices

General Service Warnings and Precautions

Covers service procedures, authorization, static discharge, and power handling safety.

Chemical Content and Earthing Requirements

Details lead content, solder safety, and proper earthing procedures for the apparatus.

HS80 M Specifications

General Specifications

Details general technical specifications for the HS80M speaker, including dimensions and frequency response.

Speaker and Amplifier Unit Details

Describes speaker components, enclosure, and amplifier unit specifications like output power and controls.

HS80 M Performance Graph

Displays the frequency response graph for the HS80M speaker.

HS50 M Specifications

General Specifications

Details general technical specifications for the HS50M speaker, including dimensions and frequency response.

Speaker and Amplifier Unit Details

Describes speaker components, enclosure, and amplifier unit specifications like output power and controls.

HS50 M Performance Graph

Displays the frequency response graph for the HS50M speaker.

Speaker Dimensions

HS80 M External Dimensions

Provides detailed diagrams of the HS80M speaker's external dimensions in mm and inches.

HS50 M External Dimensions

Provides detailed diagrams of the HS50M speaker's external dimensions in mm and inches.

Front Panel Layout and Controls

Panel Layout Overview

Illustrates the front panel layout and numbered controls for both HS80M and HS50M speakers.

Control Functions Explained

Details the function of each numbered control on the speaker's front panel, including EQ and Room Control.

Circuit Board Layouts

HS80 M Circuit Board Layout

Shows the internal circuit board layout and component areas for the HS80M model.

HS50 M Circuit Board Layout

Shows the internal circuit board layout and component areas for the HS50M model.

HS80 M Disassembly Procedures

Woofer, Tweeter, and Rear Panel Removal

Instructions for safely removing the woofer, tweeter, and rear panel assembly from the HS80M.

Amplifier and Input Circuit Board Removal

Steps for removing the amplifier and input circuit boards from the HS80M.

Power System Circuit Board Removal

Guide for removing the TRANS and AC INLET circuit boards.

HS50 M Disassembly Procedures

Woofer, Tweeter, and Rear Panel Removal

Instructions for safely removing the woofer, tweeter, and rear panel assembly from the HS50M.

Amplifier and Input Circuit Board Removal

Steps for removing the amplifier and input circuit boards from the HS50M.

Power System Circuit Board Removal

Guide for removing the TRANS and AC INLET circuit boards.

Circuit Board Schematics

Input Circuit Board Schematic

Detailed schematic diagram of the input section circuitry, including controls and connectors.

Amplifier Circuit Board Schematic

Detailed schematic diagram of the amplifier section circuitry, including power and output stages.

Power Supply Circuit Schematics

Schematics for the transformer and AC inlet sections, covering power supply components.

HS80 M Inspection Procedures

Test Conditions

Defines the test conditions required for HS80M inspection, including signal and load parameters.

Output Specifications

Lists the output specifications and acceptable limits for HS80M performance checks.

Tone Control and Noise Specs

Details tone control characteristics and residual noise limits for HS80M inspection.

HS50 M Inspection Procedures

Test Conditions

Defines the test conditions required for HS50M inspection, including signal and load parameters.

Output Specifications

Lists the output specifications and acceptable limits for HS50M performance checks.

Tone Control and Noise Specs

Details tone control characteristics and residual noise limits for HS50M inspection.

Block Diagram Overview

Signal Flow and Functional Blocks

Illustrates the overall signal path and functional blocks of the speaker system.

Power Supply and Control Path

Shows the power supply distribution and control signal paths within the speaker.

HS80 M Input Circuit Diagram

Input and Level Control Circuitry

Details the circuitry for input signal handling and level control.

EQ and Filter Circuitry

Illustrates the circuits for equalization, low cut, and step filtering.

HS80 M Amplifier and Power Circuit Diagram

Amplifier and Output Stage Circuitry

Details the circuitry for the power amplifier stage and output connections.

Power Transformer and AC Inlet Circuitry

Illustrates the circuitry for the power transformer and AC inlet.

HS50 M Input Circuit Diagram

Input and Level Control Circuitry

Details the circuitry for input signal handling and level control.

EQ and Filter Circuitry

Illustrates the circuits for equalization, low cut, and step filtering.

HS50 M Amplifier and Power Circuit Diagram

Amplifier and Output Stage Circuitry

Details the circuitry for the power amplifier stage and output connections.

Power Transformer and AC Inlet Circuitry

Illustrates the circuitry for the power transformer and AC inlet.

Parts List and Notes

Parts Identification

Comprehensive list of all available parts for the HS80M/HS50M speakers with part numbers.

Destination Codes and Warnings

Explains destination abbreviations, part numbering conventions, and safety markings.

HS80 M Overall Assembly Diagram

Cabinet and Speaker Assembly

Illustrates the assembly of the speaker cabinet, including the woofer, tweeter, and related parts.

Internal Component Layout

Shows the arrangement of internal components like the rear panel, fuse, and power cord.

HS80 M Parts Details

Mechanical and Speaker Components

Lists mechanical components, screws, and speaker drivers for the HS80M.

Electrical Components and Accessories

Details electrical components, circuit boards, fuses, and accessories for the HS80M.

HS50 M Overall Assembly Diagram

Cabinet and Speaker Assembly

Illustrates the assembly of the speaker cabinet, including the woofer, tweeter, and related parts.

Internal Component Layout

Shows the arrangement of internal components like the rear panel, fuse, and power cord.

HS50 M Parts Details

Mechanical and Speaker Components

Lists mechanical components, screws, and speaker drivers for the HS50M.

Electrical Components and Accessories

Details electrical components, circuit boards, fuses, and accessories for the HS50M.

Yamaha HS50M Specifications

General IconGeneral
Frequency Response55 Hz - 20 kHz
Crossover Frequency3 kHz
LF Driver5" cone
HF Driver3/4" dome
Input Impedance10 kΩ
Input Sensitivity-10dBu
Type2-way bi-amplified nearfield studio monitor
ConnectorsXLR, TRS phone jack
ControlsRoom Control
Output Power70W (LF: 45W, HF: 25W)

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