Boston AcousticsメーカーLCAi220の使用説明書/サービス説明書
ページ先へ移動 of 19
L CAi220 Local Contr ol Amplifier.
LCAi220 Important Safety Instructions This symbol found on the apparatus indicates hazards arising fr om dangerous voltages. This symbol found on the apparatus indicates the user should read all safety statements found in the user manual.
Local Contr ol amplifier LCAi220 Thank you Thank you for selecting a Boston Acoustics LCAi220 Local Control amplifier . Y our LCAi220 has been designed to deliver years of music, enjoyment, and satisfaction. Please keep your manual in a safe place in case you need to refer to it at a later date.
Intr oduction LCAi220 The LCAi220 is an in-wall local zone amplifier that switches between a central audio source (whole house audio) and a local source (TV , CD player , etc.). In the standby mode, the local speakers are amplified by a centrally located distribution amplifier .
Installation Considerations Choosing Installation / Mounting locations Convenience, décor , safety requir ements, installation ease, and performance ar e all factors when considering location choices. Choose locations that work best for the r oom and its use.
Powering the LCAi220 A 16VDC power supply is included for powering the the LCAi220. There ar e two separate connection points for powering the LCAi220; a front mounted connection for local powering of the LCAi220 and a rear mounted connection for central powering of the LCAi220.
6 New Home Construction Precautions T he wiring and installing of in-wall electronics and devices is easier when the walls ar e free of insulation, prior to the drywall being applied. It is important that precautions ar e taken to avoid system failures.
SPEAKER OUT S PEAKER IN 1 6V DC IN S UB OUT + + + + - - - - + - + - 1 2V Trigge r / V ideo Pass Through 1 2V Trigge r / V ideo In TV (local source) LCAi220 (external connections) LCAi220 (in-wall conn.
8 System Diagrams (cont.) S PEAKER OUT SPEAKER IN 1 6V DC IN S UB OUT + - - + + + - - + - + - 1 2V Trigge r / V ideo Pass Through 1 2V Trigge r / V ideo In TV (local source) LCAi220 (external connecti.
9 System Diagrams (cont.) S PEAKER OUT SPEAKER IN 1 6VDC IN S UB O UT + - - + + - - + + - + - 1 2V Trigge r / V ide o Pass Through 1 2V Trigge r / V ideo In SPEAKER OUT SPEAKER IN 1 6V D C IN S UB O U.
Installation Instructions Installing / Rear Connections 1. Pr ewir e. Run the speaker wires fr om the receiver / amplifier and the power wir es (if applicable) to the junction box and the speaker wires fr om the junction box out to the local speakers.
Figure #5 11 Figure #6 Installing / Rear Connections (cont.) 5. Install the LCAi220 into the junction box bottom first. Proceed slowly making sure not to pinch any of the wires. (Figur e #5) 6. Fasten the LCAi220 to the bracket using the four 1 ⁄ 4 -inch (7mm) screws.
12 Connection Instructions Front Connections 1. Connect the local sour ce to either the Left and Right RCA Inputs (Figur e #1) or to the High Level In speaker level inputs (Figure #2). Note: Do not connect wires to both the RCA and High Level inputs. 2.
Set Up Instructions Central Music System Configuration Adjust the levels for the central music system. If an in-wall volume control is used, follow its instructions for configuration before continuing.
14 12V Trigge r / V ide o Pass Through 12V Trigge r / V ideo In A B C D E 12V Trigge r / V ide o Pass T hrough 12V Trigge r / V ideo In A C B D E F A. Local source LED B. Power LED C. Selectable highpass for local speakers D. Fault LED E. Input level adjustment F .
T r oubleShooting Guide Problem Cause Solution No Power • Local power supply is off or d isconnected • Central power supply is off or disconnected • Check / connect local power s upply • Check.
If Service Seems Necessary First, contact the dealer from whom you pur chased the LCAi220. If that is not possible, write to: Boston Acoustics, Inc. Attn: Parts and Service 300 Jubilee Drive Peabody , MA 01960 U.S.A. Or contact us via e-mail at: support@bostonacoustics.
17.
Boston, Boston Acoustics, and the Boston Acoustics logo ar e registered trademarks of Boston Acoustics, Inc. Specifications are subject to change without notice. © 2005 Boston Acoustics, Inc. 300 Jubilee Drive Peabody , MA 01960 U.S.A. 978.538.5000 www .
デバイスBoston Acoustics LCAi220の購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Boston Acoustics LCAi220をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはBoston Acoustics LCAi220の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Boston Acoustics LCAi220の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Boston Acoustics LCAi220で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Boston Acoustics LCAi220を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はBoston Acoustics LCAi220の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Boston Acoustics LCAi220に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちBoston Acoustics LCAi220デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。