1. Įvadas
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of the EC Buying ZK-502MT 50W x 2 Bluetooth-Compatible AmpPrieš naudodami gaminį, atidžiai perskaitykite šį vadovą, kad užtikrintumėte tinkamą veikimą ir saugą.
2. Saugos informacija
- Maitinimas: Use a DC9-24V/3A or above power supply. Do not connect to a 24V battery pack directly. Ensure the power supply voltage yra stabilus ir nurodytame diapazone.
- Suderinamumas su garsiakalbiais: Connect speakers with an impedance of 4-8Ω and a power rating of 15-100W. Using incompatible speakers may damage the ampkėlimo lenta.
- Apsaugos mechanizmai: 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.
- Aplinka: Valdykite amplifier in a dry, well-ventilated area. Avoid exposure to moisture, dust, or extreme temperatures.
- Tvarkymas: Handle the board with care to avoid damaging electronic components. Avoid touching the circuit board while powered on.
3. Pakuotės turinys
Patikrinkite, ar pakuotėje yra visi toliau išvardyti daiktai:
- ZK-502MT Bluetooth-Compatible Ampgelbėtojų lenta
- Knobs (Volume, Treble, Bass)
- Tvirtinimo detalės (varžtai, atramos)
- DC power adapter connector
- Mažas atsuktuvas
- Šilumos kriauklė
Image 3.1: ZK-502MT amplifier board, three control knobs, mounting hardware, DC power connector, screwdriver, and heat sink.
4. Produktas baigtasview
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.
4.1 pav.: Viršus view of the ZK-502MT amplifier board showing the main components, input/output terminals, and control knob shafts.
4.2 pav.: Apačia view of the ZK-502MT amplifier board, displaying the model number and circuit board traces.
5. Specifikacijos
| Parametras | Vertė |
|---|---|
| Produkto modelis | ZK-502MT |
| Bluetooth versija | 5.0 (unobstructed range up to 15 meters / 49 feet) |
| Signalo ir triukšmo santykis (SNR) | > 90dB |
| Įvesties metodas | AUX + Bluetooth-Compatible |
| Kanalų skaičius | Left and right dual channels (Stereo) |
| Adaptive Power Supply | 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 |
| Apsaugos mechanizmai | Overheating, Overcurrent, Short Circuit, Voltage Apsauga |
| Gaminio matmenys (L*P*A) | 89mm * 60mm * 21mm (overall, including connectors/knobs) |
| Board Dimensions (L*W) | 74mm * 60mm (board only) |
| Produkto svoris | Approximately 111g (including packaging) |
Image 5.1: ZK-502MT amplifier board with board dimensions of 74mm x 60mm indicated.
6. Sąrankos instrukcijos
- Install Heat Sink: Attach the provided heat sink to the amplifier chip on the board. Ensure good contact for efficient heat dissipation.
- Prijunkite garsiakalbius: 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.
- Prijunkite maitinimo šaltinį: 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.
- Įdiekite rankenėles: Place the three control knobs onto their respective shafts (Volume, Treble, Bass).
- Maitinimas: Once all connections are secure, turn on the power supply. The amplifier board will power on.
7. Naudojimo instrukcijos
7.1. „Bluetooth“ ryšys
- Užtikrinti, amplifier board is powered on.
- Garso šaltinio įrenginyje (pvz., išmaniajame telefone, planšetiniame kompiuteryje) įjunkite „Bluetooth“ ir ieškokite galimų įrenginių.
- 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 įvesties jungtis
- 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. Garso reguliavimas
- Garsumo valdymas: Rotate the Volume knob to adjust the overall output level.
- Aukštųjų dažnių valdymas: Rotate the Treble knob to increase or decrease high-frequency sounds.
- Žemųjų dažnių valdymas: Rotate the Bass knob to increase or decrease low-frequency sounds.
8. Priežiūra
- Valymas: Valymui naudokite minkštą, sausą šluostę ampNenaudokite skystų valiklių ar tirpiklių.
- Saugykla: Kai ilgesnį laiką nenaudojate, laikykite ampLaikyti vėsioje, sausoje vietoje, apsaugotoje nuo tiesioginių saulės spindulių ir drėgmės.
- Patikra: Periodically check all connections for tightness and ensure no wires are frayed or damaged.
9. Problemų sprendimas
| Problema | Galima priežastis | Sprendimas |
|---|---|---|
| Nėra garso išvesties |
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| „Bluetooth“ nesusieja |
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| Iškraipytas garsas |
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| Ampgyvybingesnis perkaitimas |
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10. Informacija apie garantiją
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. Pagalba klientams
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.