ClarionメーカーAPX401.4の使用説明書/サービス説明書
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OPERAT I ON I NSTALLAT I ON MANUAL 4-CHANNEL POWER AMPLIFIER APX401.4.qxd 12/5/01 12:58 PM Page 1.
4 Channel Power System Amplifier 2 TABLE OF CONTENTS Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Input Connections and Audio Controls .
Owner’s Manual 3 Owner’s Manual DESCRIPTION The Clarion APX401.4 4-channel car audio amplifier is an excellent choice for creating a variety of multi-channel sound systems. The amplifier features flexi - bility of 2, 3 or 4 channel system by a flip of a switch.
4 Channel Power System Amplifier 4 The Input Connections are gold-plated RCA Jacks and are labeled as FRONT 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.
Owner’s Manual 5 • Rear Channel Input Select - This switch allows the flexibility of using either 2 or 4 inputs to operate the amplifier. • Speaker Level Inputs - These provide connections for a high-level stereo source. These connections are provided for installations when the source unit does not have RCA outputs.
4 Channel Power System Amplifier 6 APPLICATIONS The Clarion APX401.4 4-channel car audio amplifier can be used in a variety of system applications. Here are some examples to help plan your own installation. Figure 3 - In this application, the APX401.4 is used as a 4-channel amplifier to drive four full-range speakers in stereo.
Owner’s Manual 7 Figure 4 - In this 4-channel system, the APX401.4 drives a pair of stereo satellites for the front and a pair of subwoofers for the rear. Note the filter settings. 4-Channel Stereo System 2-Channel High-Pass, 2-Channel Low-Pass APX401.
4 Channel Power System Amplifier 8 2-Channel Stereo System with Low-Pass Bridged Mono Channel Figure 5 - The APX401.4 can also be used to drive a pair of stereo satellites for the front and a single mono subwoofer for the rear. Note the filter settings.
Owner’s Manual 9 2-Channel High Power System (Satellite or Subwoofer) Figure 6 - The APX401.4 can be set up as a 2-channel high-power amplifier to drive a pair of satellites (or subwoofers).
4 Channel Power System Amplifier 10 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.
Owner’s Manual 11 INSTALLATION This section lists Mounting and Wiring Precautions prior to installing the Clarion APX401.4. These safeguards provide enough detail to complete an installation successfully. If you do not have the necessary skills, do not attempt to install the amplifier yourself.
4 Channel Power System Amplifier 12 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. Do not connect this wire to the car’s fuse panel.
Owner’s Manual 13 SETTING THE GAIN After completing the installation, follow these steps to set the Gain Control and then perform the Final System Checks. 1. Turn the Gain Control all the way counter-clockwise. 2. Turn the vehicle’s Ignition Switch to the ON position.
4 Channel Power System Amplifier 14 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.
Owner’s Manual 15 Problem Amplifier fuse keeps blowing. Solution Incorrect wiring or short circuit. Review Installation and check all wiring connections. Problem Whining or ticking noise in the audio with engine on. Solution Amplifier is picking up alternator noise or radiated noise.
Clarion Corporation of America 661 W. Redondo Beach Blvd. Gardena, CA 90247-4201 U.S.A. APX401.4 Rev. 1(11/01) WARRANTY INFORMATION This product is warranted against all defects in material workmanship for a period of one year from the date of original purchase.
デバイスClarion APX401.4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 APX401.4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 APX401.4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 APX401.4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 APX401.4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 APX401.4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 APX401.4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 APX401.4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 APX401.4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。