1. Giriş
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of the EC Buying ZK-502MT 50W x 2 Bluetooth-Compatible Amplifier Board. Please read this manual thoroughly before using the product to ensure proper function and safety.
2. Güvenlik Bilgileri
- Güç Kaynağı: Use a DC9-24V/3A or above power supply. Do not connect to a 24V battery pack directly. Ensure the power supply voltage sabittir ve belirtilen aralık içindedir.
- Hoparlör Uyumluluğu: Connect speakers with an impedance of 4-8Ω and a power rating of 15-100W. Using incompatible speakers may damage the amplifer tahtası.
- Koruma Mekanizmaları: The board includes built-in overheating, overcurrent, short circuit, and voltage protection. However, avoid operating the device under extreme conditions to prevent triggering these protections unnecessarily.
- Çevre: Çalıştırın amplifier in a dry, well-ventilated area. Avoid exposure to moisture, dust, or extreme temperatures.
- İşleme: Handle the board with care to avoid damaging electronic components. Avoid touching the circuit board while powered on.
3. Paket İçeriği
Aşağıda listelenen tüm öğelerin paketinizde bulunduğunu doğrulayın:
- ZK-502MT Bluetooth-Compatible Ampkaldırıcı Kurulu
- Knobs (Volume, Treble, Bass)
- Montaj donanımı (vidalar, ara parçalar)
- DC power adapter connector
- Küçük tornavida
- Soğutucu
Image 3.1: ZK-502MT amplifier board, three control knobs, mounting hardware, DC power connector, screwdriver, and heat sink.
4. Ürün Bittiview
The ZK-502MT is a compact 50W x 2 Bluetooth-Compatible audio amplifier module designed for home passive speakers. It features Bluetooth 5.0 connectivity and an AUX input, along with independent treble and bass controls for sound customization.
Resim 4.1: Üst view of the ZK-502MT amplifier board showing the main components, input/output terminals, and control knob shafts.
Resim 4.2: Alt view of the ZK-502MT amplifier board, displaying the model number and circuit board traces.
5. Özellikler
| Parametre | Değer |
|---|---|
| Ürün Modeli | ZK-502MT |
| Bluetooth Sürümü | 5.0 (unobstructed range up to 15 meters / 49 feet) |
| Sinyal Gürültü Oranı (SNR) | > 90dB |
| Giriş Yöntemi | AUX + Bluetooth-Compatible |
| Kanal Sayısı | Sol ve sağ çift kanal (Stereo) |
| Uyarlanabilir Güç Kaynağı | DC9~24V / 3A or above (cannot be connected to 24V battery pack) |
| Compatible Speaker Impedance | 4~8Ω |
| Compatible Speaker Power | 15 ~ 100 W |
| Output Power (at 8Ω) | 12V: 12W+12W, 15V: 18W+18W, 19V: 30W+30W, 24V: 40W+40W |
| Output Power (at 4Ω) | 12V: 20W+20W, 15V: 30W+30W, 19V: 40W+40W, 24V: 50W+50W |
| Koruma Mekanizmaları | Overheating, Overcurrent, Short Circuit, Voltage Koruma |
| Ürün Ölçüleri (U*G*Y) | 89mm * 60mm * 21mm (overall, including connectors/knobs) |
| Board Dimensions (L*W) | 74mm * 60mm (board only) |
| Ürün Ağırlığı | Approximately 111g (including packaging) |
Image 5.1: ZK-502MT amplifier board with board dimensions of 74mm x 60mm indicated.
6. Kurulum Talimatları
- Install Heat Sink: Attach the provided heat sink to the amplifier chip on the board. Ensure good contact for efficient heat dissipation.
- Hoparlörleri Bağlayın: Connect your passive speakers to the speaker output terminals (L+, L-, R+, R-) on the amplifier board. Ensure correct polarity. Use the small screwdriver for secure connections.
- Güç Kaynağını Bağlayın: Connect a DC9-24V power supply (3A or higher) to the DC power input jack. If using the included DC power adapter connector, wire it to your power supply.
- Install Knobs: Place the three control knobs onto their respective shafts (Volume, Treble, Bass).
- Güç Açık: Once all connections are secure, turn on the power supply. The amplifier board will power on.
7. Kullanım Talimatları
7.1. Bluetooth Bağlantısı
- Sağlamak ampAmplifikatör kartına güç verildi.
- On your audio source device (e.g., smartphone, tablet), enable Bluetooth and search for available devices.
- Select "ZK-502MT" from the list of devices to pair. A confirmation sound may indicate successful pairing.
- Once paired, audio from your device will play through the connected speakers.
7.2. AUX Giriş Bağlantısı
- Connect your audio source device to the AUX-IN port on the amplifier board using a 3.5mm audio cable.
- The amplifier will automatically switch to AUX input when a cable is detected.
7.3. Ses Ayarları
- Ses Kontrolü: Rotate the Volume knob to adjust the overall output level.
- Tiz Kontrolü: Rotate the Treble knob to increase or decrease high-frequency sounds.
- Bas Kontrolü: Rotate the Bass knob to increase or decrease low-frequency sounds.
8. Bakım
- Temizlik: Temizlemek için yumuşak ve kuru bir bez kullanın. amplifier board. Do not use liquid cleaners or solvents.
- Depolamak: Uzun süre kullanılmayacaksa, saklayın amplifier in a cool, dry place away from direct sunlight and moisture.
- Denetleme: Tüm bağlantıların sıkılığını periyodik olarak kontrol edin ve hiçbir telin yıpranmış veya hasar görmüş olmadığından emin olun.
9. Sorun Giderme
| Sorun | Olası Neden | Çözüm |
|---|---|---|
| Ses çıkışı yok |
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| Bluetooth eşleştirmiyor |
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| Bozuk ses |
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| Ampaşırı ısınma |
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10. Garanti Bilgileri
Warranty information for the EC Buying ZK-502MT amplifier board is not available in the provided product data. Please refer to your purchase documentation or contact the seller for details regarding warranty coverage.
11. Müşteri Desteği
Customer support contact information for the EC Buying ZK-502MT amplifier board is not available in the provided product data. For assistance, please contact the retailer or seller from whom you purchased the product.