ClarionメーカーAPX400の使用説明書/サービス説明書
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INTRODUCTION The Clarion APX400.4M is a full-featured four-channel amplifier. It comes with the following features: • Full frequency response with low distortion and exceptional signal to noise perf.
DESCRIPTION The Clarion APX400.4M 4-channel marine amplifier is an excellent choice for creating a variety of multi-channel sound systems. It features built-in system design flexibility that allows you to create a 2, 3 or 4 channel amplifier with a flip of a switch.
RIGHT, FRONT LEFT , REAR RIGHT and REAR LEFT. The Gain Controls provide a wide adjustment range to accommodate output levels from any brand of source unit. • Gain Controls - Seperate Front and Rear Gain Controls allow you to set the nominal operating level of the amplifier .
• Rear Channel Input Select - This switch allows you to use a 2 channel input to drive all 4 channels of this amplifier . • Speaker Level Inputs - These provide connections for a high-level stereo source. In addition, these connections are provided for installations where the source unit’s RCAoutputs are unavailable.
APPLICA TIONS The Clarion APX400.4M 4-channel marine amplifier can be used in a variety of system applications. W e’ve enclosed some example systems to help plan your own installation. 4-Channel Full-Range Stereo System Figure 3 - In this application, the APX400.
4-Channel Stereo System 2-Channels High-Pass, 2-Channels Low-Pass Figure 4 - In this 4-channel system, the APX400.4M drives a pair of stereo satellites for the front and a pair of stereo subwoofers for the rear.
2-Channel Stereo System with Low-Pass Bridged Mono Channel Figure 5 - The APX400.4M can also be used to drive a pair of stereo satellites for the front and a single mono subwoofer for the rear.
2-Channel High Power Systems (Satellite or Subwoofer) Figure 6 - The APX400.4M can be set up as a 2-channel high-power amplifier to drive a pair of satellites (or subwoofers).
Mixed-Mode System On Rear; Full-Range Speakers On Front NOTE: Chart values based on 4 ohm speakers. Figure 7 - The amplifier can be configured for a mixed-mode operation on either channels 1/2 or 3/4 amplifier sections. The table provides component values to create a 6dB per octave crossover at specified frequencies.
INSTALLA TION This section lists Mounting and W iring Precautions for installing the Clarion APX400.4M. Combined with the experience of a professional installer, these safeguards provide enough detail to successfully complete an installation. If you do not have the necessary skills, do not install the amplifier yourself.
6. Refer to the Figure 8 when making electrical connections. Connect the amplifier’ s positive (+) lead via a fuse directly to the positive (+) terminal on the battery.
SETTING THE GAIN After completing the installation, follow these steps to set the Gain Control and then perform the Final System Checks. 1. T urn the Gain Control all the way counter-clockwise. 2. T urn the vehicle’s Ignition Switch to the ON position.
Problem No Audio. Solution Low or no remote turn-on voltage. Check remote connections at amplifier and source unit. Blown amplifier fuse. Replace with new fast-blow fuse (same rating). Power wires not connected. Check battery and ground wiring at amplifier; also check battery connections.
13 Problem Audio lacks punch. Solution Speakers wired incorrectly, which causes cancellation of bass frequencies. Check polarity of wires from amplifier to each speaker as defined by the system design. Problem Amplifier fuse keeps blowing. Solution Incorrect wiring or short circuit.
661 W. Redondo Beach Blvd. Gardena, CA 90247 1-800-GO-CLARION www.clarion-usa.com APX400.4M-10 Re v .2 (05/00).
デバイスClarion APX400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:
Clarion APX400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Clarion APX400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。Clarion APX400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。Clarion APX400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。
Clarion APX400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Clarion APX400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、Clarion APX400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Clarion APX400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。