ClarionメーカーAPX480Mの使用説明書/サービス説明書
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APX480M manual.qxd 3/12/2004 1:07 PM Page 1.
APX480M Power System Amplifier INTRODUCTION The Clarion APX480M is a full-featured four-channel amplifier incorporating the following features: • S pecially coated circuit boards, that resist mold, mildew and moisture damage. • Pulse-Width Modulated (PWM) MOSFET power supply for maximum performance with minimal distortion.
Operation/Installation Manual 1 Owner ’s Manual DESCRIPTION The APX480M uses an unregulated MOSFET power supply for superior sound and output wattage.
APX480M Power System Amplifier 2 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.
Operation/Installation Manual 3 • Speaker Level Input s - These provide connections for a high-level stereo source. In addition, these connections are provided for installations when the source unit’s RCA outputs are unavailable. W ARNING : When using the speaker (high-level) inputs, the Black wire must be grounded at the Radio.
APX480M Power System Amplifier 4 INST ALLA TION This section suggests Mounting and Wiring Precautions for inst alling the Clarion APX480M amplifier . If you do not posses the necessary tools and installation experience, do not attempt to inst all this amplifier .
Operation/Installation Manual 5 6. When replacing the amplifier's fuse, always use one having the same amperage rating. Substituting a higher rated fuse or a slow-blow type can result in serious damage to the amplifier .
APX480M Power System Amplifier 6 Figure 5 In this 4-channel system, the APX480M drives a pair of stereo satellites for the front and a pair of subwoofers for the rear . Note the filter settings. 4-Channel S tereo System 2-Channel High-Pass, 2-Channel Low-Pass APX480M manual.
Operation/Installation Manual 7 2-Channel S tereo System with Low-Pass Bridged Mono Channel Figure 6 The APX480M 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. APX480M manual.
APX480M Power System Amplifier 8 2-Channel High Power System (Satellite or Subwoofer) Figure 7 The APX480M can be set up as a 2-channel high-power amplifier to drive a pair of satellites (or subwoofers).
Operation/Installation Manual 9 Mixed-Mode System On Rear; Full-Range Speakers On Front Figure 8 The amplifier can be configured for a mixed-mode operation on either channels 1/2 or 3/4 amplifier sections. The t able provides component values to create a 6dB per octave crossover at specified frequencies.
APX480M Power System Amplifier 10 SETTING THE GAIN After completing the inst allation, 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.
Operation/Installation Manual 11 FINAL SYSTEM CHECK 1. S tart the engine and turn on the source unit. After a two-second delay , slowly increase the V olume Control and listen to the audio. If you hear any noise, static, distortion or no sound at all, check the connections, and also refer to T roubleshooting.
APX480M Power System Amplifier 12 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.
Operation/Installation Manual 13 CLARION LIMITED W ARRANTY For USA and Canada only If purchased from an authorized Clarion dealer , this product is warranted against all defects in materials and workmanship for a period of one (1) year from the date of original purchase.
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デバイスClarion APX480M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 APX480M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 APX480M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 APX480M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 APX480M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 APX480M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 APX480M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 APX480M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 APX480M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。