Yamaha YAS-408 Service Manual

YAS-408/YMS-4080/ATS-4080
(MusicCast BAR 400/MusicCast BAR 40)
Notes: • When the MAIN P.C.B. or wireless network module is replaced, this unit will not operate properly. The model name, destination
and serial number MUST be written to the backup IC to have proper operation. (For detailed procedure, refer to related Service
News or Service Bulletin. Or contact your local Yamaha representative.)
• When accepting a repair order from the user, it is recommended to receive the YAS-CU408/ATS-CU4080 and NS-WSW43 as a
set for the repair work.
注意： ・ MAIN P.C.B. または無線ネットワークモジュールを交換すると、本機が正常に動作しなくなります。正常に動作させるために、
モデル名、 仕向け先とシリアル番号をバックアップ IC へ書き込む必要があります。 （詳しい手順は、 関連するサービスニュース、
または技術報告を参照してください。もしくはヤマハのサービスセンターまでご連絡ください。 ）
・ ユーザーから修理依頼を受ける際、YAS-CU408 と NS-WSW43 をセットでお預かりすることを推奨します。
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. Modifi cations 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
SYSTEM COMPOSITION / システム構成 .......................3
PANEL LAYOUTS ...........................................................3
REMOTE CONTROL PANELS .......................................7
SPECIFICATIONS / 参考仕様 .........................................7
INTERNAL VIEW ............................................................9
SERVICE PRECAUTIONS / サービス時の注意事項 ..... 10
DISASSEMBLY PROCEDURES / 分解手順 ................. 11
UPDATING FIRMWARE /
ファームウェアのアップデート .................................. 19
1 0 1 4 1 9
FRONT SURROUND SYSTEM
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 (c) Yamaha Corporation All rights reserved.
This manual is copyrighted by Yamaha and may not be copied or
redistributed either in print or electronically without permission.
SERVICE MANUAL
PROTECTION DISPLAY / プロテクションの表示 ........21
BLOCK DIAGRAM ........................................................22
WIRING DIAGRAM .......................................................23
PRINTED CIRCUIT BOARDS .......................................24
CIRCUIT DIAGRAMS ....................................................28
REPLACEMENT PARTS LIST ......................................38
REMOTE CONTROL .....................................................42
P.O.Box 1, Hamamatsu, Japan
'18.08