Yamaha RX-V771 Service Manual

Note:
When the DIGITAL P.C.B. or IC83 on DIGITAL P.C.B. is replaced, the network function of this unit will not operate
properly without additional setting.
In such a case, report the serial number of this unit to the following e-mail address.
Yamaha Corporation will reply providing the setting procedure to make the network function of this unit operate
properly.
注意： DIGITAL P.C.B. または DIGITAL P.C.B. の IC83 を交換すると本機のネットワーク機能が正常に動作しなくなり、正常
動作のための追加設定が必要になります。
そのような場合には本機のシリアルナンバーを下記の E メールアドレスへご連絡ください。
折り返し、ネットワーク機能が正常に動作するための追加設定方法をご連絡します。
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:
IMPORTANT:
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:
IMPORTANT:
■ CONTENTS
TO SERVICE PERSONNEL ............................................2
FRONT PANEL ...............................................................3
REAR PANELS ...........................................................3-5
REMOTE CONTROL PANELS .......................................6
SPECIFICATIONS / 参考仕様 ................................... 7-12
INTERNAL VIEW .......................................................... 13
SERVICE PRECAUTIONS / サービス時の注意事項 ..... 13
DISASSEMBLY PROCEDURES / 分解手順 ........... 14-16
UPDATING FIRMWARE /
ファームウェアのアップデート ............................ 17-18
SELF-DIAGNOSTIC FUNCTION /
ダイアグ（自己診断機能） ..................................... 19-61
1 0 1 2 1 5
RX-V771
E-mail: ycav-ysiss@gmx.yamaha.com

IMPORTANT NOTICE

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.
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.
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).
Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.
Copyright © 2011
This manual is copyrighted by YAMAHA and may not be copied or
redistributed either in print or electronically without permission.
AV RECEIVER
SERVICE MANUAL
POWER AMPLIFIER ADJUSTMENT /
パワーアンプ調整 .......................................................62
DISPLAY DATA .......................................................63-64
IC DATA ...................................................................65-77
PIN CONNECTION DIAGRAMS .............................78-80
BLOCK DIAGRAMS ................................................81-85
PRINTED CIRCUIT BOARDS ............................... 86-105
SCHEMATIC DIAGRAMS ................................... 107-121
REPLACEMENT PARTS LIST ............................ 123-143
REMOTE CONTROL ........................................... 144-146
CONFIGURING THE SYSTEM SETTINGS ................. 147
システム設定を変更する ............................................. 148
All rights reserved.
P.O.Box 1, Hamamatsu, Japan
'11.06