Walfront ZK-502L Stereo Digital Audio AmpManual d'usuari del mòdul lifier
Model: ZK-502L
1. Introducció
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. Producte acabatview
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.
Figura 2.1: De dalt a baix view of the ZK-502L amplifier board, showing the volume knob, DC input, and speaker terminals.
Figura 2.2: Angle view de la amplifier board, highlighting the volume potentiometer and integrated circuits.
Figura 2.3: Angle posterior 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 amptauler més viu.
3. Característiques
- Entrada d'alimentació versàtil: 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.
- Opcions d'entrada d'àudio: Supports stereo audio input and AUX audio input.
- Integrated Sound Processing: Built-in filter capacitor for effective sound processing.
- Control convenient: Knob potentiometer design for easy power ON/OFF and volume adjustment.
- Protecció robusta: Features an acrylic protective shell and multiple safety mechanisms including reverse connection, overvoltage, minvartage, 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. Configuració
- Preparació dels components: Assegureu-vos que teniu el 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.
- Connectar els altaveus: Connect your speakers to the screw terminals on the amplifier board. Ensure correct polarity (+ and -). Refer to Figure 2.5 for visual guidance.
- Connecteu l'entrada d'àudio: Connect your audio source (e.g., smartphone, MP3 player) to the AUX audio input port.
- Connecteu la font d'alimentació: 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. Instruccions de funcionament
- Encès: Once all connections are secure, turn the knob potentiometer clockwise to power on the module.
- Ajustar el volum: Continue turning the knob clockwise to increase the volume. Turn counter-clockwise to decrease the volume.
- Apagar: Turn the knob potentiometer counter-clockwise until it clicks to power off the module.
6. Manteniment
To ensure the longevity and optimal performance of your Walfront ZK-502L amplifier module, follow these maintenance guidelines:
- Mantingueu el mòdul en un lloc sec, allunyat de la humitat i de temperatures extremes.
- 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. Solució De Problemes
Si teniu problemes amb el vostre amplifier module, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| Sense sortida de so | Volum d'alimentació incorrectatage; Loose speaker connections; Audio source issue; Module not powered on. | Verifiqueu el volum d'entradatage 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. |
| So distorsionat | Volume too high; Speaker impedance mismatch; Faulty audio source. | Reduce volume; Ensure speakers are 4Ω-8Ω; Test with a different audio source. |
| El mòdul no s'encén | No power supply; Power supply polarity reversed; Overvoltage protecció activada. | 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. Especificacions
| Característica | Detall |
|---|---|
| Model | ZK-502L |
| Tipus d'element | Poder AmpJunta més viva |
| Material | PCB |
| Versió | 5.0 |
| Mètode d'entrada | AUX |
| Nombre de canals | Left and Right Dual Channels (Stereo) |
| Distància de comunicació | Approx. 15m/49.2ft (Unobstructed) |
| Signal To Noise Ratio (SNR) | >90 dB |
| Altaveus adaptats | 30W-200W, 4Ω-8Ω |
| Potència de sortida (12V) | 8Ω/12W+12W, 4Ω/20W+20W |
| Potència de sortida (15V) | 8Ω/18W+18W, 4Ω/30W+30W |
| Potència de sortida (19V) | 8Ω/32W+32W, 4Ω/45W+45W |
| Potència de sortida (24V) | 8Ω/38W+38W, 4Ω/50W+50W |
| Mecanismes de protecció | Self-Recovery Overheating, Self-Recovery Short Circuit, Reverse Connection, Overvoltage, Undervoltage, Sobretemperatura |
9. Informació de seguretat
- Voltage Límit: El volum d’entradatage must not exceed 24V. Exceeding this limit will damage the audio ampmòdul més viu.
- Polaritat: Ensure correct power supply polarity when connecting to avoid damage.
- Ventilació: Provide adequate ventilation around the module, especially during prolonged use, to prevent overheating.
- Medi ambient: Do not expose the module to water, excessive humidity, or extreme temperatures.
- Manipulació: Handle the PCB board with care to avoid damaging components.
10. Contingut del paquet
The package for the Walfront ZK-502L Power Amplifier Board typically includes the following items:
- 1 x Potència Amplifier Board (ZK-502L)
- 1 x tornavís
- 9 x cargol
- 4 x Brass Connecting Rod
- 2 x Acrylic Board (for protective shell)
- 1 x Knob (for potentiometer)
- 1 x Cable (for power connection)
11. Garantia i Suport
For warranty information and technical support, please refer to the official Walfront weblloc web o poseu-vos en contacte amb el vostre punt de compra. Conserveu el rebut de compra com a comprovant de compra per a qualsevol reclamació de garantia.