Yamaha HTY-760 - User Manual

■ CONTENTS
TO SERVICE PERSONNEL .......................................... 2
FRONT PANELS ............................................................ 3
REAR PANELS .......................................................... 4–5
REMOTE CONTROL PANELS ...................................... 6
SPECIFICATIONS /
参考仕様...................................... 7–8
INTERNAL VIEW ........................................................... 9
SERVICE PRECAUTIONS / サービス時の注意事項 ......... 9
DISASSEMBLY PROCEDURES /
分解手順 ........... 10–23
UPDATING FIRMWARE /
ファームウェアの書き込み ......................................... 24–31
SELF-DIAGNOSTIC FUNCTION /
ダイアグ（自己診断機能） ......................................... 32–52
DISPLAY DATA ........................................................... 53
IC DATA ................................................................. 54–62
PIN CONNECTION DIAGRAMS .................................. 63
BLOCK DIAGRAMS .............................................. 64–65
PRINTED CIRCUIT BOARDS................................ 66–74
SCHEMATIC DIAGRAMS ...................................... 75–79
REPLACEMENT PARTS LIST .............................. 81–95
REMOTE CONTROL .............................................. 96–97
ADJUSTING SYSTEM PARAMETERS /
拡張メニュー ................................................................... 98
101093
SERVICE MANUAL
DIGITAL SOUND PROJECTOR
2008 All rights reserved.
This manual is copyrighted by YAMAHA and may not be copied or
redistributed either in print or electronically without permission.
P.O.Box 1, Hamamatsu, Japan
'08.04
IMPORTANT NOTICE
This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.
It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already
known and understood by the users, and have therefore not been restated.
WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in personal
injury, destruction of expensive components, and failure of the product to perform as specified. For these reasons,
we advise all YAMAHA product owners that any service required should be performed by an authorized
YAMAHA Retailer or the appointed service representative.
IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or
recognition of any applicable technical capabilities, or establish a principle-agent relationship of any form.
The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and
service departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable
and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please
contact the distributor's Service Division.
WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may have
accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).
IMPORTANT: Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.
YSP-600/HTY-760
YSP-600/HTY-760

Summary

To Service Personnel

Leakage Current Measurement

Verification of insulation from supply circuits after service completion.

Chemical Content Notice

Warning about product chemicals and safety precautions for handling.

Front Panels

Rear Panels

Remote Control Panels

Specifications

Amplifier Section Specifications

Technical details of the amplifier section, including power output.

Physical Dimensions

Diagrams illustrating the physical dimensions of the unit.

Internal View

Service Safety Precautions

Important safety measures for servicing, including discharge procedures.

Disassembly Procedures

Disassembly Cautions

Key cautions for safe and proper disassembly and reassembly.

Bottom Cover Removal

Steps for removing the bottom cover to access internal components.

Top Cover Removal

Front Grille Removal

Grille Net Assembly Removal

HDMI PCB Removal

DSP PCB Removal

Input PCB Removal (1 & 2)

PCB Inspection Procedures

Frame Front Removal

Frame Main Removal

Driver Woofer Removal

Driver Tweeter Removal

Driver Tweeter Installation

Firmware Update Procedure

Preparation and Precautions

Essential preparation steps and precautions before firmware update.

Required Tools for Firmware Update

Lists necessary software and hardware tools for firmware updates.

Microprocessor Firmware Writing

DSP Firmware Writing

Unit Initialization After Firmware Update

Self-Diagnostic Function

DSP Through Test

Tests DSP output by channel without beam processing.

Manual Test

Tests noise generator output through specified channels.

Factory Preset Settings

Reserves and inhibits back-up RAM initialization.

DSP Check

Checks DSP output and driver conditions.

Activating Self-Diagnostic Function

Main and Sub-Menu Operation

Display Data Information

IC Data Details

Pin Connection Diagrams

Block Diagrams

Power Supply Block Diagram

Printed Circuit Board Layouts

DSP PCB Layout (Side A)

Component layout for the DSP Printed Circuit Board (Side A).

Schematic Diagrams

DSP and Microprocessor Schematics

Overall schematic diagrams for the DSP and Microprocessor sections.

Replacement Parts List

Electrical Component Parts

Warning and list of electrical components for replacement.

DSP PCB Replacement Parts

List of replacement parts specifically for the DSP PCB.

Input PCB Parts List

List of replacement parts for the Input PCBs.

HDMI PCB Parts List

List of replacement parts specifically for the HDMI PCB.

HDMI PCB Carbon Resistors

Detailed list of carbon resistors by value and part number.

Service Tools List

List of specialized tools required for servicing the unit.

Included Accessories

Remote Control Schematic

Remote Control Panels and Key Codes

Remote Control Key Layouts

Visual representation of remote control button layouts.

Remote Control Key Code Mapping

Mapping of remote buttons to transmitted codes for different models.

System Parameter Adjustment

Accessing System Parameters

Procedure to enter system parameters and adjust settings.

Memory Protect Setting

Protects saved settings from accidental changes.

Max Volume Setting

Sets the maximum volume level to limit sound output.

Initial Volume Setting

Sets the initial volume level when the unit powers on.

Demo Mode Setting

Enables demo mode to experience sound beam output.

Front Panel Key Operation Disable

Factory Settings Reset

Yamaha HTY-760 Specifications

General

Brand	Yamaha
Model	HTY-760
Category	Projector
Language	English