1. Киришүү
This manual provides detailed instructions for the installation, operation, and maintenance of the MakerHawk ZK-TB21 Bluetooth Amplifier Board. This module is a high-fidelity stereo 2.1 channel audio power amplifier utilizing the TPA3116D2 chip, designed for various audio applications including home theater systems and custom speaker projects. It offers both Bluetooth 5.0 and AUX audio input methods, along with independent controls for bass, treble, and subwoofer frequency.
2. Пакеттин мазмуну
Төмөндө көрсөтүлгөн бардык буюмдар таңгагыңызда бар экенин текшериңиз. Эгерде кандайдыр бир компоненттер жок болсо же бузулуп калса, кардарларды колдоо кызматына кайрылыңыз.
- MakerHawk ZK-TB21 Ampкөтөргүч такта
- Top and Bottom Acrylic Protection Plates
- Control Knobs (5 pieces)
- Standoffs and Screws for assembly
- Кичинекей бурагыч
- DC Head Lead (for power connection)
3. Продукт бүтүп калдыview
The ZK-TB21 amplifier board features a logical layout for easy connection and control. Familiarize yourself with the various components and their functions.
3.1. Башкаруу каражаттары жана көрсөткүчтөр
- Негизги көлөмү: Жалпы чыгаруу көлөмүн тууралайт.
- Сол жана оң каналдын жогорку деңгээли: Adjusts the high-frequency response for the main stereo channels.
- Сол жана оң каналдын басуусу: Adjusts the low-frequency response for the main stereo channels.
- Сабвуфердин үнү: Adjusts the output volume specifically for the subwoofer channel.
- Subwoofer Frequency (FREQ): Adjusts the crossover frequency for the subwoofer, determining the upper limit of frequencies sent to the subwoofer.
- Bluetooth көрсөткүчү: Illuminates when Bluetooth is active and paired.
3.2. Киргизүү/чыгыш порттору
- DC 12-24V кубат киргизүү: Connects to the external power supply.
- AUX-IN (3.5mm Audio Port): For wired audio input from devices like smartphones, PCs, or CD players.
- BT (Bluetooth): For wireless audio input from Bluetooth-enabled devices.
- Speaker Outputs (L+, L-, R+, R-): Connects to passive left and right stereo speakers.
- Subwoofer Output (S+, S-): Connects to a passive subwoofer.
4. Техникалык шарттар
| Өзгөчөлүк | Спецификация |
|---|---|
| Модель номери | ZK-TB21 |
| Ampкөтөргүч чип | TPA3116D2 (Class D) |
| Каналдар | 2.1 (Left, Right, Subwoofer) |
| Чыгуу күчү | 2 x 50W (Stereo) + 1 x 100W (Subwoofer) |
| Киргизүү көлөмүtage | Туруктуу ток 12V - 24V |
| Audio Input Methods | Bluetooth 5.0, AUX (3.5mm) |
| Өлчөмдөрү (L x W x Y) | 4.65 x 3.94 x 0.87 дюйм (118 x 100 x 22 мм) |
| Салмагы | 6.88 унция (195 грамм) |
| Коргоо механизмдери | Short-circuit, Thermal, Overvoltage, Undervoltage, DC Protection |
5. Орнотуу
Follow these steps to assemble and connect your ampкуткаруучу такта.
5.1. Ассамблея
- Бардык компоненттерди таңгактан кылдаттык менен чыгарыңыз.
- Place the bottom acrylic plate on a flat surface.
- тегиздөө amplifier board with the standoffs and secure it to the bottom plate using the provided screws.
- Attach the control knobs to their respective shafts on the ampкуткаруучу такта.
- Place the top acrylic plate over the board, aligning the holes, and secure it with the remaining screws.
5.2. Power Connection
The ZK-TB21 requires a DC power supply between 12V and 24V. Ensure your power supply can provide sufficient current for your speakers (e.g., a 24V, 10A power supply is recommended for maximum output).
- Connect the DC power adapter to the DC 12-24V input port on the ampкуткаруучу такта.
- Alternatively, use the provided DC head lead to connect to a compatible power source, ensuring correct polarity.
5.3. Speaker Connection
Connect your passive speakers and subwoofer to the appropriate terminal blocks. Ensure correct polarity (+ to + and - to -) for optimal sound quality.
- Стерео динамиктер: Connect the left speaker wires to the L+ and L- terminals, and the right speaker wires to the R+ and R- terminals.
- ЛГурченко: Connect the subwoofer wires to the S+ and S- terminals.
6. Иштөө нускамалары
6.1. Күйгүзүү / Өчүрүү
Once the power supply is connected, the amplifier board will power on automatically. To turn off, disconnect the power supply.
6.2. Audio Input Selection
The ZK-TB21 supports two audio input methods: Bluetooth and AUX.
6.2.1. Bluetooth туташуусу
- камсыз кылуу amplifier board is powered on.
- Аудио булак түзмөгүңүздө (мисалы, смартфон, планшет) Bluetooth'ду күйгүзүп, жеткиликтүү түзмөктөрдү издеңиз.
- Select "BT-AUDIO" or a similar name from the list of devices to pair.
- Once paired, the Bluetooth indicator on the amplifier board will illuminate, and you can play audio wirelessly.
6.2.2. AUX киргизүү
- Connect a 3.5mm audio cable from your audio source device to the AUX-IN port on the ampкуткаруучу такта.
- The amplifier will automatically switch to AUX input when a cable is detected.
6.3. Аудио жөндөөлөрүн тууралоо
Use the control knobs to fine-tune your audio output:
- айлантыңыз Негизги көлөм knob to adjust the overall loudness.
- тууралаңыз Үч эсе жана Бас knobs for the left and right channels to achieve your desired tonal balance.
- колдонуу Сабвуфердин көлөмү knob to control the bass intensity.
- тууралаңыз Subwoofer Frequency (FREQ) knob to set the crossover point for the subwoofer, typically between 20Hz and 200Hz.
7. Коргоо өзгөчөлүктөрү
The TPA3116D2 amplifier chip incorporates several protection mechanisms to ensure reliable operation and prevent damage to the device and connected components.
- Кыска туташуулардан коргоо: Automatically detects and protects against short circuits at the speaker outputs.
- Жылуулук коргоо: Monitors the chip's temperature and reduces output or shuts down if overheating occurs.
- Overvoltage Коргоо: Safeguards the circuit from damage due to excessively high input voltage.
- Undervoltage Коргоо: Prevents unstable operation or damage from insufficient input voltage.
- DC Protection: Protects speakers from harmful DC offset in the audio signal.
In the event of an overload or fault condition, the device is designed to report the condition and protect itself from damage.
8. Кыйынчылыктарды
If you encounter issues with your MakerHawk ZK-TB21 ampкөтөргүч такта, төмөнкү жалпы көйгөйлөрдү жана чечимдерди караңыз:
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Үн чыгышы жок | No power; incorrect speaker wiring; input source issue; volume too low. | Check power connection and supply voltage (12-24V DC). Verify speaker wire polarity and secure connections. Ensure audio source is playing and connected correctly. Increase main volume. |
| Үн сапаты начар / бурмалоо | Insufficient power supply; speaker impedance mismatch; volume too high; poor audio source quality. | Use a power supply within the recommended voltage range (12-24V) with adequate current (e.g., 24V 10A). Ensure speaker impedance is compatible (4Ω recommended). Reduce volume. Test with a different audio source. |
| Bluetooth байланышы көйгөйлөрү | Түзмөк өтө алыс; тоскоолдук; amplifier not in pairing mode. | Ensure your device is within close range (within 10 feet) and has a clear line of sight to the amplifier. Disconnect and reconnect Bluetooth. Try pairing with a different device. |
| Ызы-чуу же ызы-чуу | Ground loop; interference from power supply or audio source. | Ensure all components are properly grounded. Try a different power supply. If using AUX, consider an audio isolation transformer. |
| Amplifier turns off randomly | Overheating; power supply instability; protection circuit activation. | Ensure adequate ventilation around the heat sink. Verify power supply stability and current capability. Reduce load or volume. |
9. Техникалык тейлөө
To ensure the longevity and optimal performance of your MakerHawk ZK-TB21 ampкөтөргүч тактасын тейлөө боюнча төмөнкү көрсөтмөлөрдү аткарыңыз:
- Тазалоо: Use a soft, dry cloth to wipe the surface of the amplifier board. Avoid using liquid cleaners or solvents, as they may damage the electronic components.
- Курчап турган чөйрө: иштетиңиз amplifier in a clean, dry environment. Avoid exposure to excessive dust, moisture, or extreme temperatures.
- Вентиляция: Ensure the heat sink has adequate airflow to prevent overheating, especially during prolonged use at high volumes. Do not obstruct the heat sink.
- Байланыштары: Бардык зымдардын туташууларынын бекем жана дат баспагандыгын мезгил-мезгили менен текшерип туруңуз.
10. Кепилдик жана колдоо
For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact MakerHawk customer service directly. You can often find support resources and contact details on the official MakerHawk webсайт же продукт сатылып алынган сатуучу аркылуу.
For general inquiries or to explore other MakerHawk products, visit the official MakerHawk store: MakerHawk Store on Amazon.
