Yamaha HTR-6290 User Manual

RX-V1900/HTR-6290/
DSP-AX1900
101113
SERVICE MANUAL
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 specifi cally 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 specifi ed. 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 fi rm does not constitute authorization, certifi cation 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
specifi cations are subject to change without notice or obligation to retrofi t. 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.
■ CONTENTS
TO SERVICE PERSONNEL ............................................2
FRONT PANELS .............................................................4
REAR PANELS ...........................................................6–9
REMOTE CONTROL PANELS ..................................... 10
SPECIFICATIONS /
参考仕様
................................. 11–16
INTERNAL VIEW ..........................................................17
DISASSEMBLY PROCEDURES /
分解手順
........... 18–26
UPDATING FIRMWARE /
ファームウェアの書き込み
.....................................27–33
SELF-DIAGNOSTIC FUNCTION /
ダイアグ（自己診断機能）
.......................................34–69
AMP ADJUSTMENT /
アンプ部調整
.............................70
DISPLAY DATA .......................................................71–72
IC DATA ...................................................................73–83
BLOCK DIAGRAMS ................................................84–87
PRINTED CIRCUIT BOARDS ............................... 88–119
PIN CONNECTION DIAGRAMS ......................... 120–122
SCHEMATIC DIAGRAMS ................................... 123–144
REPLACEMENT PARTS LIST ............................ 145–186
REMOTE CONTROL ........................................... 187–190
ADVANCED SETUP /
本機の設定を変更する
......................................... 191–197
AV RECEIVER/AV AMPLIFIER
RX-V1900/HTR-6290/
DSP-AX1900
animate '08.09
P.O.Box 1, Hamamatsu, Japan
Copyright © 2008 All rights reserved.
This manual is copyrighted by YAMAHA and may not be copied or
redistributed either in print or electronically without permission.

Yamaha HTR-6290 Specifications

General

Brand	Yamaha
Model	HTR-6290
Category	Stereo Receiver
Language	English

Summary

Important Notices and Warnings

Important Service Notice

Outlines important safety and service information for authorized personnel, emphasizing proper procedures.

Service Personnel Guidelines

Critical Components and Leakage Current Measurement

Details critical components requiring specific replacement parts and procedures for leakage current measurement.

Lithium Battery Handling Precautions

Lithium Battery Safety Warnings

Details safety precautions for handling and replacing lithium batteries to prevent explosion hazards.

Front Panel Identification

Rear Panel Identification

Remote Control Panel Identification

Specifications

Audio Section Specifications

Details audio performance metrics including output power, sensitivity, impedance, tone controls, and filter characteristics.

Disassembly Procedures

Top Cover and Front Panel Removal

Step-by-step instructions for removing the top cover and front panel.

Sub Chassis Unit Removal

Instructions for removing the sub chassis unit and associated cables.

Disassembly Procedures (Continued)

D-VIDEO P.C.B. Removal

Step-by-step instructions for removing the D-VIDEO PCB.

Rear Unit Removal

Instructions for removing the rear unit and associated cables.

A-VIDEO P.C.B. Removal

Step-by-step instructions for removing the A-VIDEO PCB.

Disassembly Procedures (Continued)

Amp Unit Removal

Step-by-step instructions for removing the amplifier unit.

Firmware Update Procedures

When Firmware Update is Required

Lists specific parts (PCBs/ICs) that necessitate writing the latest firmware after replacement.

Firmware Writing Using CD

Details the process for updating firmware using a CD for U and C models.

Firmware Writing Using USB

Details the process for updating firmware using USB flash memory for R, T, K, A, B, G, E, L, J models.

Self-Diagnostic Function

Starting and Canceling Diagnostics

Explains procedures to start, cancel, and manage diagnostic modes, including protection cancel mode.

Amp Adjustment Procedures

Confirmation of Idling Current

Details the procedure to measure and confirm idling current of the amplifier unit.

Display Data and Pin Connections

Pin Connection Diagrams

Provides detailed pin assignments for connectors and ICs.

Schematic Diagrams

DSP Section Schematics (Pages 123-125)

Detailed schematic diagrams for the DSP section across three pages.

Function Section Schematics (Pages 126-129)

Detailed schematic diagrams for the Function section across four pages.

Main Section Schematics (Page 131)

Power Section Schematics (Pages 132-133)

Schematic Diagrams (Continued)

A-VIDEO Section Schematics (Pages 134-136)

FL Section Schematics (Pages 140-141)

NET Section Schematics (Pages 142-143)

D-VIDEO Section Schematics (Pages 135-139)

Replacement Parts List

P.C.B. DSP Parts List

Replacement Parts List (Continued)

P.C.B. FUNCTION Parts List

P.C.B. D-VIDEO Parts List

P.C.B. FUNCTION and P.C.B. CONNECT Parts List

P.C.B. FUNCTION and P.C.B. OPERATION Parts List

P.C.B. MAIN and P.C.B. POWER Parts List

P.C.B. MAIN Parts List

P.C.B. POWER Parts List

P.C.B. A-VIDEO Parts List

P.C.B. FL Parts List

P.C.B. FL and P.C.B. CONNECT Parts List

P.C.B. NET Parts List

P.C.B. NET and P.C.B. CONNECT Parts List

Remote Control and Accessories

Remote Control Models and Layouts

Details the different remote control models (RAV383, RAV385, RAV384, RAV37) and their button layouts.