ZK-502MT Bluetooth Ampజీవితకాల బోర్డు వినియోగదారు మాన్యువల్

1. పరిచయం

The Daakro ZK-502MT Bluetooth Amplifier Board is a versatile 2.0 channel audio amplifier designed for DIY home audio projects. It features dual HiFi amplifier chips, providing clear and high-fidelity sound. With support for both Bluetooth 5.0 and AUX inputs, it offers flexible connectivity options for various audio sources. This manual provides detailed instructions for setup, operation, and maintenance of your ZK-502MT ampజీవితకాల బోర్డు.

Image 1.1: The ZK-502MT Bluetooth Amplifier Board, including a screwdriver and a DC power adapter.

2 కీ ఫీచర్లు

• Dual HiFi Ampలిఫైయర్ చిప్: Utilizes two HiFi amplifier chips with PurePath technology for ultra-high resolution, low distortion, and high-fidelity sound.
• 2.0 ఛానెల్ కాన్ఫిగరేషన్: Supports left and right channel output, each providing 50W output power for an immersive sound experience.
• Dual Audio Input Modes: Seamlessly switch between Bluetooth 5.0 for wireless connectivity and traditional AUX input for wired audio sources.
• విస్తృత అప్లికేషన్: Compatible with a wide input voltage range from 9V to 24V DC and suitable for 20-200W, 4-8Ω speakers.
• సమగ్ర రక్షణ: Built-in protection mechanisms include over-voltagఇ, అండర్ వాల్యూమ్tage, over-temperature, short-circuit, and reverse connection protection.
• Treble and Bass Control: Independent knobs for adjusting treble and bass to customize your audio output.

3. పెట్టెలో ఏముంది

ప్యాకేజీని తెరిచినప్పుడు, దయచేసి కింది అన్ని భాగాలు చేర్చబడ్డాయని నిర్ధారించుకోండి:

• ZK-502MT Bluetooth Ampజీవితకర్త బోర్డు
• Top Plate with Control Labels
• దిగువ ప్లేట్
• స్క్రూడ్రైవర్
• DC పవర్ అడాప్టర్ కనెక్టర్
• హీట్ సింక్
• Mounting Hardware (Screws, Standoffs)
• Control Knobs (Volume, Treble, Bass)

Image 3.1: All components included in the ZK-502MT package.

4. సెటప్ గైడ్

Follow these steps to properly set up your ZK-502MT Bluetooth Ampలైఫైయర్ బోర్డు.

4.1 కాంపోనెంట్ అసెంబ్లీ

1. Attach Heat Sink: Secure the provided heat sink to the main amplifier chip on the board. Ensure good contact for optimal heat dissipation.
2. సి ని అసెంబుల్ చేయండిasing: Use the provided standoffs and screws to attach the top and bottom plates to the amplifier board. The top plate has labels for controls and ports.
3. Install Knobs: Place the three control knobs onto their respective shafts for Volume, Bass, and Treble.

Image 4.1: Proper installation of the heat sink and control knobs.

4.2 స్పీకర్ కనెక్షన్

మీ స్పీకర్లను దీనికి కనెక్ట్ చేయండి amplifier board using the screw terminals. The board supports 2.0 channel output (Left and Right). Ensure correct polarity (+ and -) for each speaker.

• Connect the positive (+) terminal of your left speaker to the 'L+' terminal on the board.
• Connect the negative (-) terminal of your left speaker to the 'L-' terminal on the board.
• Connect the positive (+) terminal of your right speaker to the 'R+' terminal on the board.
• Connect the negative (-) terminal of your right speaker to the 'R-' terminal on the board.

ది amplifier board is suitable for 20-200W, 4-8Ω speakers.

Image 4.2: Connection points for speakers, power, and AUX input.

4.3 పవర్ కనెక్షన్

Connect a DC power supply (9V-24V) to the power input terminal. The board includes a DC power adapter connector for convenience.

• మీ విద్యుత్ సరఫరా వాల్యూమ్‌ను నిర్ధారించుకోండిtage is within the 9V to 24V DC range.
• Connect the power supply to the DC-IN port on the ampజీవితకాల బోర్డు.
• The board has built-in reverse connection protection, but always double-check polarity before powering on.

Image 4.3: Detail of the power input and speaker terminals.

5. ఆపరేటింగ్ సూచనలు

This section details how to operate your ZK-502MT ampజీవితకాల బోర్డు.

5.1 పవర్ ఆన్/ఆఫ్

• To power on, ensure all connections are secure, then connect the power supply to a power outlet. The power indicator LED will illuminate.
• To power off, disconnect the power supply from the outlet.

5.2 Volume, Treble, and Bass Control

ది amplifier board features three rotary knobs for audio adjustment:

• వాల్యూమ్: Rotate the "VOLUME" knob clockwise to increase volume and counter-clockwise to decrease.
• బాస్: Rotate the "BASS" knob clockwise to increase bass frequencies and counter-clockwise to decrease.
• ట్రెబెల్: Rotate the "TREBLE" knob clockwise to increase treble frequencies and counter-clockwise to decrease.

5.3 ఆడియో ఇన్‌పుట్ మోడ్‌లు

The ZK-502MT supports two audio input modes: Bluetooth and AUX.

చిత్రం 5.1: ది amplifier board supports both Bluetooth and AUX input modes.

5.3.1 బ్లూటూత్ మోడ్

1. నిర్ధారించండి amplifier board is powered on.
2. The board will automatically enter Bluetooth pairing mode. A voice prompt or indicator light may confirm this.
3. On your audio source device (e.g., smartphone, tablet, computer), enable Bluetooth and search for available devices.
4. Select "ZK-502MT" from the list of devices to pair. No password is required.
5. Once paired, a confirmation sound will be heard, and you can begin playing audio wirelessly.

Image 5.2: Bluetooth connectivity range of the ZK-502MT.

5.3.2 AUX ఇన్‌పుట్ మోడ్

1. Connect a 3.5mm audio cable from your audio source device (e.g., MP3 player, TV, laptop) to the "AUX-IN" port on the ampజీవితకాల బోర్డు.
2. ది amplifier board will automatically switch to AUX input mode when a cable is detected.
3. మీ సోర్స్ పరికరం నుండి ఆడియోను ప్లే చేయడం ప్రారంభించండి.

6. సాంకేతిక లక్షణాలు

Image 6.1: Physical dimensions of the ZK-502MT ampజీవితకాల బోర్డు.

Image 6.2: Power Output Comparison Table for different input voltages and speaker impedances.

7. ట్రబుల్షూటింగ్

8. నిర్వహణ

To ensure the longevity and optimal performance of your ZK-502MT amplifier board, follow these simple maintenance guidelines:

• శుభ్రపరచడం: Gently wipe the surface of the board with a soft, dry cloth. Do not use liquid cleaners or solvents, as they may damage the electronic components.
• దుమ్ము తొలగింపు: Periodically use compressed air to remove dust from the heat sink and other components to maintain proper cooling.
• నిల్వ: నిల్వ చేస్తే amplifier board for an extended period, disconnect it from power and store it in a cool, dry place away from direct sunlight and excessive humidity.
• నిర్వహణ: Always handle the board by its edges to avoid touching sensitive components or causing static discharge.

9. వారంటీ మరియు మద్దతు

Daakro is committed to providing high-quality products and excellent customer service.

• వారంటీ: ఈ ఉత్పత్తి a తో వస్తుంది 36 నెలల వారంటీ కొనుగోలు తేదీ నుండి, తయారీ లోపాలను కవర్ చేస్తుంది. వారంటీ క్లెయిమ్‌ల కోసం దయచేసి మీ కొనుగోలు రుజువును ఉంచుకోండి.
• కస్టమర్ సేవ: For any questions, technical assistance, or warranty inquiries, please contact Daakro customer support.
• ఆన్‌లైన్ మద్దతు: Visit the official Daakro Store on Amazon for more information and support resources: Daakro Amazon Store.

Image 9.1: Daakro After-Sales Support information.