Walfront ZK-502L Stereo Digital Audio Ampliifier Module User Manual
Модели: ZK-502L
1. Киришүү
This manual provides detailed instructions for the Walfront ZK-502L Stereo Digital Audio Amplifier Module. Please read this manual carefully before using the product to ensure proper operation and to prevent damage. This module is designed for enthusiasts and professionals looking to integrate a high-quality audio amplifier into their DIY speaker systems or other audio projects.
2. Продукт бүтүп калдыview
The Walfront ZK-502L is a compact and efficient digital power amplifier board. It features a user-friendly design with integrated controls and robust protection mechanisms.
2.1-сүрөт: жогорудан ылдыйга view of the ZK-502L amplifier board, showing the volume knob, DC input, and speaker terminals.
2.2-сүрөт: Бурчтуу view -ныкы amplifier board, highlighting the volume potentiometer and integrated circuits.
2.3-сүрөт: Арткы бурч view, showing the DC power input jack and the screw terminals for speaker connections.
Figure 2.4: Diagram illustrating the physical dimensions of the amplifier board for integration into projects.
Figure 2.5: Connection diagram showing how to connect speakers and the DC power input to the ampкуткаруучу такта.
3. Өзгөчөлүктөрү
- Көп функциялуу кубаттуулук киргизүү: Equipped with a terminal block and a DC 2.1mm socket, compatible with most laptop power ports (DC 5V-24V).
- Wide Speaker Compatibility: Supports various speakers with impedances from 4Ω to 8Ω and power ratings from 30W to 200W.
- Аудио киргизүү параметрлери: Supports stereo audio input and AUX audio input.
- Integrated Sound Processing: Built-in filter capacitor for effective sound processing.
- Ыңгайлуу башкаруу: Knob potentiometer design for easy power ON/OFF and volume adjustment.
- Күчтүү коргоо: Features an acrylic protective shell and multiple safety mechanisms including reverse connection, overvoltage, undervolvoltage, over temperature, short circuit, and self-recovery overheating protection.
- Seamless Audio Experience: Designed to eliminate pops and provide smooth audio transitions when powering on, skipping songs, and pausing.
4. Орнотуу
- Компоненттерди даярдоо: бар экенине ынаныңыз amplifier board, appropriate speakers (4Ω-8Ω), and a DC power supply (5V-24V).
- Assemble Protective Shell (Optional): If using the included acrylic protective shell, assemble it around the board using the provided screws and brass connecting rods.
- Динамиктерди туташтыруу: Connect your speakers to the screw terminals on the amplifier board. Ensure correct polarity (+ and -). Refer to Figure 2.5 for visual guidance.
- Аудио киргизүүнү туташтырыңыз: Connect your audio source (e.g., smartphone, MP3 player) to the AUX audio input port.
- Кубат булагына туташтыруу: Connect a DC power supply (5V-24V) to the DC 2.1mm socket or the terminal block. Important: The input voltage must not exceed 24V to prevent damage to the module.
5. Иштөө нускамалары
- Күйгүзүү: Once all connections are secure, turn the knob potentiometer clockwise to power on the module.
- Үндү тууралоо: Continue turning the knob clockwise to increase the volume. Turn counter-clockwise to decrease the volume.
- Өчүрүү: Turn the knob potentiometer counter-clockwise until it clicks to power off the module.
6. Техникалык тейлөө
To ensure the longevity and optimal performance of your Walfront ZK-502L amplifier module, follow these maintenance guidelines:
- Модулду кургак чөйрөдө, нымдуулуктан жана өтө жогорку температурадан алыс кармаңыз.
- Avoid exposing the board to dust or corrosive substances.
- Do not attempt to modify the circuit board, as this may void any potential warranty and cause damage.
- Periodically check connections to ensure they are secure.
7. Кыйынчылыктарды
Эгер сиз менен көйгөйлөр пайда болсо amplifier module, refer to the following common problems and solutions:
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Үн чыгышы жок | Туура эмес электр энергиясыtage; Loose speaker connections; Audio source issue; Module not powered on. | Киргизилген томду ырастооtage is within 5V-24V; Check speaker wiring and polarity; Ensure audio source is playing and connected correctly; Turn the volume knob clockwise to power on. |
| Бурмаланган үн | Volume too high; Speaker impedance mismatch; Faulty audio source. | Reduce volume; Ensure speakers are 4Ω-8Ω; Test with a different audio source. |
| Модуль күйбөй жатат | No power supply; Power supply polarity reversed; Overvoltage коргоо иштетилди. | Check power supply connection; Ensure correct polarity; Verify input voltage is not above 24V. |
| Intermittent sound or skipping | Loose audio input connection; Overheating. | Secure audio input cable; Ensure adequate ventilation for the module. |
8. Техникалык шарттар
| Өзгөчөлүк | Деталь |
|---|---|
| Модел | ZK-502L |
| Элемент түрү | Күч Ampкөтөргүч такта |
| Материал | PCB |
| Версия | 5.0 |
| Киргизүү ыкмасы | AUX |
| Каналдардын саны | Left and Right Dual Channels (Stereo) |
| Байланыш аралык | Approx. 15m/49.2ft (Unobstructed) |
| Signal To Noise Ratio (SNR) | >90 дБ |
| Adapted Speakers | 30W-200W, 4Ω-8Ω |
| Чыгаруу кубаттуулугу (12В) | 8Ω/12W+12W, 4Ω/20W+20W |
| Чыгаруу кубаттуулугу (15В) | 8Ω/18W+18W, 4Ω/30W+30W |
| Чыгаруу кубаттуулугу (19В) | 8Ω/32W+32W, 4Ω/45W+45W |
| Чыгаруу кубаттуулугу (24В) | 8Ω/38W+38W, 4Ω/50W+50W |
| Коргоо механизмдери | Self-Recovery Overheating, Self-Recovery Short Circuit, Reverse Connection, Overvoltage, Undervoltage, Ашыкча температура |
9. Коопсуздук маалыматы
- Тtage Limit: Кирүү көлөмүtage must not exceed 24V. Exceeding this limit will damage the audio ampөмүр модулу.
- Полярдуулук: Ensure correct power supply polarity when connecting to avoid damage.
- Вентиляция: Provide adequate ventilation around the module, especially during prolonged use, to prevent overheating.
- Курчап турган чөйрө: Do not expose the module to water, excessive humidity, or extreme temperatures.
- Колдонуу: Handle the PCB board with care to avoid damaging components.
10. Пакеттин мазмуну
The package for the Walfront ZK-502L Power Amplifier Board typically includes the following items:
- 1 х күч Amplifier Board (ZK-502L)
- 1 x Screwdriver
- 9 x Screw
- 4 x Brass Connecting Rod
- 2 x Acrylic Board (for protective shell)
- 1 x Knob (for potentiometer)
- 1 x Cable (for power connection)
11. Кепилдик жана колдоо
For warranty information and technical support, please refer to the official Walfront website or contact your point of purchase. Keep your purchase receipt as proof of purchase for any warranty claims.
