1. Bubuka jeung Leuwihview
This manual provides detailed instructions for the installation, operation, and maintenance of your KENWOOD KDC-BT378U CD Car Stereo Receiver. This single DIN receiver offers a comprehensive audio experience for your vehicle, integrating various modern features with traditional car audio functionalities.
Key features of your KDC-BT378U include:
- 255 Segment 1.5 Line Text Display for clear information.
- Bluetooth internal pikeun nelepon tanpa genggam sareng streaming audio.
- Amazon Alexa Built-in for voice control and smart assistant features.
- Spotify Ready for seamless music streaming control.
- Front High Power USB port for digital audio playback and charging.
- AM/FM Radio tuner with station presets.
- CD Player for traditional audio disc playback.
- SiriusXM Ready (requires optional SiriusXM Connect Vehicle Tuner and subscription).
- Variable Color Illumination to customize display and button lighting.

Gambar 1.1: Hareupeun view of the KENWOOD KDC-BT378U CD Car Stereo Receiver, showing the display, control knob, and various buttons.
2. Émbaran Kasalametan
Please read all safety instructions carefully before installing or operating this product. Failure to follow these instructions may result in injury or damage to the unit or vehicle.
- Pamasangan: Always disconnect the vehicle's negative battery terminal before installation to prevent electrical shorts. Ensure proper wiring connections as per the wiring diagram. Incorrect wiring can cause fire or damage. If you are unsure about installation, consult a qualified professional.
- Operasi: Do not operate the unit in a way that distracts you from driving. Always keep your attention on the road. Adjust volume to a level that allows you to hear outside sounds.
- Sasayogian tanaga: This unit is designed for a 12V DC negative ground electrical system. Do not connect to any other voltage atawa polaritasna.
- Ventilasi: Pastikeun ventilasi anu cekap di sakitar unit pikeun nyegah panas teuing. Ulah ngahalangan liang ventilasi.
- Uap: Do not expose the unit to moisture or water. This can cause electric shock or fire.
- Palayanan: Entong nyobian ngalayanan unit ieu nyalira. Rujuk sadayana jasa ka tanaga jasa anu mumpuni.
3. Eusi Paket
Saatos muka bungkusan produk, mangga pariksa yén sadaya item di handap ieu kalebet:
- KENWOOD KDC-BT378U CD Car Stereo Receiver Unit
- Wiring Harness (Power/Speaker Connector)
- External Microphone with Cable
- Removal Keys (2 pieces)
- Manual Pitunjuk (dokumén ieu)
- Kartu Garansi

Figure 3.1: Contents of the KENWOOD KDC-BT378U package, showing the main unit, wiring, microphone, and documentation.
4. Setup jeung Instalasi
4.1. Pancegahan Pancegahan
- Before starting, ensure the vehicle's ignition is off and disconnect the negative terminal of the battery to prevent accidental short circuits.
- Use appropriate tools and wear safety glasses.
- Avoid installing the unit in locations exposed to direct sunlight, excessive heat, humidity, or dust.
- Ensure all connections are secure and properly insulated to prevent shorts.
- If you are not confident with the installation process, it is highly recommended to seek professional assistance.
4.2. Sambungan Wiring
Refer to the wiring diagram below and the included wiring harness for proper connections. The main wiring harness connects to your vehicle's power, ground, and speaker wires.

Gambar 4.1: Tukangeun view of the KENWOOD KDC-BT378U, illustrating the wiring harness input, antenna input, and RCA pre-outs.
| Warna Kawat | Fungsi | Titik Sambungan |
|---|---|---|
| Konéng | Konstan 12V (Batre) | Vehicle's constant 12V power source |
| Beureum | Switched 12V (Ignition) | Vehicle's ignition switched 12V power source |
| Hideung | taneuh | Vehicle chassis ground |
| Bulao/Bodas | Jauh Aktipkeun | Ka amplifier remote input or power antenna |
| Oranyeu / Bodas | Paneangan | Vehicle's illumination wire |
| Kawat Speaker | Kaluaran Speaker | Connect to corresponding vehicle speakers (e.g., White/White-Black for Front Left) |
| Input mikropon | Mikropon éksternal | Plug in the supplied external microphone for hands-free calling and Alexa functions. Mount the microphone in a clear, unobstructed location. |
4.3. Setup Awal
After installation, reconnect the vehicle's negative battery terminal. The unit will power on. Follow these steps for initial setup:
- Daya Hurung: Pencét éta SRC tombol (Sumber) pikeun ngaktipkeun unit.
- Setélan jam: The first time the unit is powered on, you may be prompted to set the clock. Use the main control knob to adjust hours and minutes, and press the knob to confirm.
- Setélan Audio Awal: Access the Audio menu (refer to Section 5.1) to adjust basic settings like Bass, Treble, Balance, and Fader to your preference.
5. Parentah Operasi
5.1. Operasi dasar
- Hurungkeun/Pareuman: Pencét éta SRC tombol pikeun ngahurungkeun unit. Pencét terus tahan SRC tombol pikeun mareumanana.
- Pilihan Sumber: Pencét éta SRC button repeatedly to cycle through available sources (CD, Tuner, Bluetooth, USB, AUX, Alexa, Spotify, SiriusXM).
- Kontrol volume: Rotate the main control knob to adjust the volume level.
- Menu/Setélan: Press the main control knob to enter the menu. Rotate the knob to navigate and press to select. Press the BALIK button (if available, or SRC button) to exit.
- Dimmer tampilan: Pencét éta DIM tombol pikeun nyaluyukeun kacaangan tampilan.
- Lampu Warna Variabel: Access the "ILLUMINATION" setting in the menu to change the color of the display and button lighting.
5.2. CD Playback
- Lebetkeun CD: Gently insert a CD into the disc slot with the label side up. The unit will automatically pull in the disc and begin playback.
- Leumpang lagu: Pencét éta << or >> tombol pikeun skip ka lagu saméméhna atawa salajengna.
- Maju gancang / Mundur: Pencét jeung tahan tombol << or >> buttons for fast reverse or fast forward.
- Reureuh/ulin: Pencét éta MUTER / Reureuh button (often the main knob press or a dedicated button) to pause or resume playback.
- Ngaluarkeun CD: Pencét éta EJECT button (usually marked with an upward arrow) to eject the disc.
5.3. Radio AM/FM
- Select Tuner Source: Pencét éta SRC button until "TUNER" or "RADIO" is displayed.
- Pilihan Band: Pencét éta BAND tombol pikeun pindah antara FM1, FM2, FM3, jeung pita AM.
- Tuning Manual: Pencét éta << or >> buttons briefly to tune step-by-step.
- Milarian Tuning: Pencét jeung tahan tombol << or >> tombol pikeun otomatis neangan stasiun kuat salajengna.
- Stasion prasetél: To store a station, tune to the desired frequency, then press and hold one of the numeric preset buttons (1-6) until you hear a beep. To recall a preset, briefly press the corresponding numeric button.
5.4. Operasi Bluetooth
The KDC-BT378U features built-in Bluetooth for hands-free calling and wireless audio streaming.
- Masangkeun Alat:
- Pastikeun Bluetooth diaktipkeun dina alat sélulér Anjeun.
- On the KDC-BT378U, press the BT button or select "Bluetooth" as the source.
- Go to your mobile device's Bluetooth settings and search for available devices. Select "KDC-BT378U" from the list.
- Pastikeun kode papasangan dina kadua alat upami dipenta.
- Telepon Hand-Free:
- Ngajawab Telepon: Pencét éta TELEPON button (often the main knob press or a dedicated phone button) when a call comes in.
- Nutup Telepon: Pencét éta TELEPON tombol deui atanapi TAMAT TELEPON kancing.
- Nelepon: Use your phone's voice assistant (via Alexa or phone's built-in assistant) or dial directly from your phone.
- Streaming Audio Bluetooth (A2DP):
- Sakali dipasangkeun, pilih "Bluetooth Audio" salaku sumberna.
- Start playing music on your mobile device. The audio will stream through the car stereo.
- Ngagunakeun éta << jeung >> buttons on the receiver to control track skip.
5.5. USB Playback
Connect a USB storage device (e.g., USB flash drive) to the front USB port for digital audio playback.
- Nyambungkeun USB: Insert the USB device into the front USB port. The unit will automatically switch to the USB source and begin playback.
- Format anu Dirojong: The unit supports various audio formats such as MP3, WMA, WAV, and FLAC.
- polder/File Napigasi: Use the main control knob or dedicated folder buttons to navigate through folders and files dina alat USB.
- Kontrol lagu: Ngagunakeun éta << jeung >> buttons for track skip.
5.6. Amazon Alexa Terintegrasi
The KDC-BT378U features Amazon Alexa Built-in, allowing you to use voice commands for various functions. An internet connection via your smartphone is required.
- Disetél:
- Download and install the "Amazon Alexa" app on your smartphone.
- Connect your smartphone to the KDC-BT378U via Bluetooth.
- Open the Alexa app and follow the on-screen instructions to set up your device.
- Ngagunakeun Alexa:
- Pencét dedicated SORA button on the receiver.
- Speak your command clearly after the prompt. Examples: "Alexa, play pop music," "Alexa, what's the weather?", "Alexa, call Mom."
5.7. Spotify Ready
Control your Spotify music directly from the receiver when your smartphone is connected via Bluetooth.
- Disetél: Ensure the Spotify app is installed on your smartphone and you are logged in. Connect your smartphone to the KDC-BT378U via Bluetooth.
- Access Spotify: Select "Spotify" as the source on the receiver.
- Kontrol: Use the receiver's controls (e.g., track skip, play/pause) to manage Spotify playback. You can also use the Spotify app on your phone.
5.8. SiriusXM Ready
The KDC-BT378U is SiriusXM Ready, meaning it can receive SiriusXM satellite radio with the addition of an optional SiriusXM Connect Vehicle Tuner (sold separately) and a subscription.
- Pamasangan: Connect the SiriusXM Connect Vehicle Tuner to the dedicated port on the rear of the receiver. Install the SiriusXM antenna according to the tuner's instructions.
- Aktipkeun: Follow the instructions provided with your SiriusXM tuner to activate your subscription.
- Operasi: Select "SiriusXM" as the source. Use the receiver's controls to browse channels, categories, and set presets.
6. Pangropéa
Proper maintenance ensures the longevity and optimal performance of your KENWOOD KDC-BT378U.
- Ngabersihan Unit: Anggo lawon anu lemes sareng garing pikeun ngusap panel hareup. Pikeun kokotor anu bandel,ampen the cloth lightly with water. Never use abrasive cleaners, solvents, or alcohol, as they can damage the finish or markings.
- Pangropéa CD Player: Avoid inserting dirty, scratched, or warped discs. Do not use lens cleaning discs that are not specifically designed for car audio players.
- Port USB: Tetep port USB bébas tina lebu jeung lebu.
- Perawatan Umum: Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive humidity.
7. Cara ngungkulan
If you encounter issues with your KDC-BT378U, refer to the following table for common problems and their solutions. If the problem persists, contact Kenwood customer support or a qualified service technician.
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| Taya kakuatan | sekering ditiup; wiring salah; Batré kandaraan lemah. | Check and replace fuse if necessary; Verify all power and ground connections; Charge vehicle battery. |
| Taya sora | Volume low teuing; Fungsi bisu aktip; kabel spiker salah; Amplifier not powered (if external). | Increase volume; Deactivate mute; Check speaker connections for shorts or open circuits; Verify ampkakuatan Lifier. |
| Sambungan Bluetooth gagal | Device not in pairing mode; Incorrect pairing procedure; Interference. | Ensure Bluetooth is enabled on both devices and in pairing mode; Delete previous pairings and try again; Move closer to the unit. |
| CD does not play or eject | Disc inserted incorrectly; Disc is dirty, scratched, or warped; Unit malfunction. | Re-insert disc correctly; Clean or try a different disc; If problem persists, seek service. |
| panarimaan radio goréng | Antenna not connected or damaged; Weak signal area; Interference. | Pariksa sambungan anteneu; Coba nyetel ka stasiun anu langkung kuat; Jauhan tina sumber gangguan listrik. |
| Alexa teu ngabales | No internet connection; Microphone disconnected or obstructed; Alexa app not running or logged in. | Ensure smartphone has active internet and is connected via Bluetooth; Check microphone connection and placement; Verify Alexa app status. |
8. Spésifikasi
Detailed technical specifications for the KENWOOD KDC-BT378U.
| Fitur | Rincian |
|---|---|
| Nomer modél | KDC-BT378U-UOB |
| Ukuran produk (D x W x H) | 9.6"D x 4"W x 9.1"H (approx. 24.4 cm x 10.2 cm x 23.1 cm) |
| Item Beurat | 3.2 pon (kira-kira 1.45 kg) |
| Téhnologi konektipitas | Auxiliary, Bluetooth, USB |
| Tipe Controller | Android (also compatible with iOS via Bluetooth/USB) |
| Fitur husus | Equalizer, Variable Color Illumination, Alexa Built-in, Spotify Ready, SiriusXM Ready |
| Alat nu cocog | Smartphone, Tablet, Speaker |
| Tipe Panyambung | 3.5mm Jack (Auxiliary), USB |
| Mode Kaluaran Audio | Stereo |
| Konfigurasi Saluran Sakuliling Sora | 6.1 (Pre-out configuration) |
| Tipe tampilan | 255 Segment 1.5 Line Text Display |
| Produsén | KENWOOD |
| Tanggal Sadia munggaran | 1 Oktober 2019 |
9. Garansi jeung Rojongan
Your KENWOOD KDC-BT378U CD Car Stereo Receiver is backed by Kenwood's manufacturer warranty. Please refer to the included warranty card for specific terms, conditions, and duration of coverage.
For technical support, service, or to inquire about additional accessories, please contact Kenwood customer support or visit their official websitus:
- Kenwood Resmi Websitus: www.kenwood.com
- Palayanan palanggan: Refer to the contact information provided on your warranty card or the Kenwood websitus pikeun nomer telepon sareng dukungan email.
Keep your purchase receipt and warranty card in a safe place, as they may be required for warranty claims.