Zerone 12V Car Audio Bluetooth MP3 Decoder Board User Manual

1. はじめに

This manual provides detailed instructions for the installation, operation, and maintenance of your Zerone 12V Car Audio Bluetooth MP3 Decoder Board. This module is designed to upgrade conventional audio equipment, enabling playback of MP3, WMA, and WAV formats through multiple input options.

主な機能は次のとおりです。

• ワイヤレスオーディオストリーミング用の Bluetooth 5.0。
• Support for USB, TF Card, and AUX input.
• FMラジオ機能を内蔵。
• Digital color screen display for easy monitoring.
• Infrared remote control for convenient operation.
• Power-off memory function to resume playback.

画像1.1：正面 view of the Zerone Bluetooth MP3 Decoder Board, showing the display, USB port, TF card slot, AUX input, and control buttons.

2. パッケージ内容

パッケージにすべてのアイテムが揃っていることを確認してください:

• 1 x Zerone MP3 Decoder Module
• リモコン x 1
• 4 x Wiring Cables

Image 2.1: The Zerone MP3 Decoder Board, its remote control, and included wiring cables.

3. セットアップと配線

Careful wiring is essential for proper function. Ensure the device is powered off before making any connections.

3.1 電源接続

• The module requires a DC 6V-12V power supply.
• Connect the positive pole of the power supply to VCC(+) and the negative pole to GND(-).

3.2 オーディオ入力/出力接続

• オーディオ出力: Connect L-OUT (Left Output) and R-OUT (Right Output) to your audio amplifier or speakers. AGND is the audio ground.
• オーディオ入力（AUX）： For external audio sources, connect L-IN (Left Input) and R-IN (Right Input) to the audio output of your external device.

3.3 FMアンテナ接続

• Connect an appropriate FM antenna to the designated FM Antenna port for optimal radio reception.

Image 3.1: Detailed wiring diagram showing connections for power, audio input, audio output, and FM antenna.

Image 3.2: Diagram illustrating input power (DC5V-12V) and audio output connections to an amplifier。

4. 操作手順

The decoder board can be operated using the onboard buttons or the included infrared remote control.

4.1 電源オン/オフ

• Connect the power supply to turn on the module. Disconnect to power off.

4.2 モード選択

• Press the 'MODE' button on the board or remote to cycle through available modes: Bluetooth, USB, TF Card, FM Radio, and AUX.

4.3Bluetoothペアリング

1. Switch the module to Bluetooth mode. The display will indicate 'BT' or similar.
2. On your mobile device, search for Bluetooth devices and select 'BT-SPEAKER'.
3. ペアリングすると、デバイスからワイヤレスでオーディオをストリーミングできます。

Image 4.1: Illustration of pairing a smartphone with the 'BT-SPEAKER' device to play music.

4.4 USB/TFカード再生

• Insert a USB drive or TF card containing MP3, WMA, or WAV audio files into the respective slot. The module will automatically switch to the corresponding mode and begin playback.

4.5FMラジオ

• In FM mode, press the 'SCAN' button to automatically search and save available radio stations.
• Use the 'VOL-' and 'VOL+' buttons (or previous/next track buttons on the remote) to navigate between saved stations.

4.6 AUX入力

• Connect an external audio device (e.g., smartphone, MP3 player) to the AUX input port using a 3.5mm audio cable.
• Switch the module to AUX mode.

4.7 ボリュームコントロール

• Adjust the volume using the 'VOL-' and 'VOL+' buttons on the board or the remote control.

4.8 電源オフメモリ

• The module retains the last played song and volume level when powered off, resuming from that point upon restart.

Image 4.2: Visual representation of the multi-function capabilities including music player, USB player, AUX audio input, FM radio, and TF card support.

5. メンテナンス

デコーダー ボードの寿命を延ばし、最適なパフォーマンスを確保するには、次のメンテナンス ガイドラインに従ってください。

• デバイスを乾燥した状態に保ってください。湿気や液体にさらさないでください。
• 表面は柔らかく乾いた布で拭いてください。刺激の強い化学薬品や研磨剤入りの洗剤は使用しないでください。
• Avoid exposing the module to extreme temperatures or direct sunlight for extended periods.
• Handle the wiring connections carefully to prevent damage.

6。 トラブルシューティング

If you encounter issues with your Zerone MP3 Decoder Board, refer to the following common problems and solutions:

• 電源なし:
  • Check all power connections to ensure they are secure and correctly wired (VCC+ to positive, GND- to negative).
  • 電源が正しい電圧を供給していることを確認するtag（DC 6V-12V）。
• オーディオ出力なし:
  • Ensure the audio output cables (L-OUT, R-OUT, AGND) are correctly connected to your amplifierまたはスピーカー。
  • Check the volume level on both the decoder board and your connected audio system.
  • Confirm that the correct input mode (Bluetooth, USB, TF, AUX, FM) is selected.
• Bluetoothが接続/ペアリングされない:
  • Ensure the decoder board is in Bluetooth mode.
  • Make sure your mobile device's Bluetooth is enabled and within the 15-meter receiving distance.
  • 検索する 'BT-SPEAKER' in your device's Bluetooth settings.
  • Try restarting both the decoder board and your mobile device.
• ブザー音:
  • A buzzing sound can sometimes indicate power supply issues or grounding problems. Ensure proper grounding.
  • 入力ボリュームを確認してくださいtage is stable and within the recommended DC 6V-12V range. In some cases, a lower voltage (e.g., around 3V-5V) might reduce noise, but this is outside the specified operating range and may affect performance.
• USB/TF カードが再生されない:
  • 確実に files on the USB drive or TF card are in a supported format (MP3, WMA, WAV).
  • Check that the USB drive or TF card is inserted correctly and fully.
  • メディアの問題を排除するために、別の USB ドライブまたは TF カードを試してください。

7. 仕様

8. 保証とサポート

For warranty information and technical support, please refer to the documentation provided at the point of purchase or contact your retailer. The manufacturer is Zerone.