GODIYMODULES Dual NE5532 Preampliifier 보드 사용 설명서

소개

This manual provides essential information for the proper setup, operation, and maintenance of your GODIYMODULES Dual NE5532 Preamplifier Board. This pre-amplifier is designed with two NE5532 operational amplifiers, dedicating one amplifier per channel for enhanced audio performance compared to single operational amplifier designs. It features a built-in single power supply to dual power supply chip, allowing it to function with a single power input while providing dual power supply characteristics internally. The board incorporates large-capacity filter capacitors and a rectifier circuit, enabling compatibility with both AC and DC power sources.

최적의 성능과 수명을 보장하기 위해 제품을 사용하기 전에 이 설명서를 자세히 읽어보세요.

안전 정보

• 항상 전원 공급 장치의 볼륨을 확인하십시오.tage and polarity are correct before connecting to the board. Incorrect voltag전자의 경우 극성 오류로 인해 기기가 손상될 수 있습니다.
• Avoid touching electronic components while the board is powered to prevent electric shock or damage to sensitive parts.
• 기판을 습기, 극한 온도 또는 정전기에 노출시키지 마십시오.
• Handle the board with care to prevent physical damage to components or solder joints.
• If you are unsure about any installation or operation step, consult a qualified technician.

패키지 내용

패키지에 모든 품목이 들어 있는지 확인하세요.

• 1 x Dual NE5532 Preamp리퍼 보드
• 2 x Signal Lines

Image: The Dual NE5532 Preamplifier Board shown with the two included signal lines.

설정

1. 전원 연결

사전amplifier board supports a wide range of power inputs:

• AC 볼륨tage: 5V ~ 16V
• DC 볼륨tage: 6V ~ 24V

Connect your power source to the designated power input terminals on the board. Ensure correct polarity for DC power. The board is designed with a rectifier circuit and filter capacitors for stable operation with both AC and DC inputs.

이미지: 이상view 사전의amplifier board, highlighting power input (blue terminal block on the left) and audio connections.

2. 오디오 입력 및 출력 연결

Connect your audio source (e.g., microphone, audio player) to the "IN" terminals (L, GND, R) and your audio output device (e.g., amplifier, speakers) to the "OUT" terminals (L, GND, R). Use the provided signal lines or appropriate audio cables.

3. Magnification Adjustment (Optional)

The board features R1 and R5 as magnification setting resistors. The default magnification is approximately 5 times. You can adjust the magnification by changing these resistors.

• 저항 범위: 5kΩ to 100kΩ.
• A larger resistance value will result in higher magnification.
• If using plug-in resistors, carefully remove the original surface-mount chip resistors by soldering and then solder the new plug-in resistors onto the pads at both ends of the patch position.

이미지: 상세 view of the board. R1 and R5 resistors are located near the NE5532 operational amplifier chips, allowing for magnification adjustment.

작동 지침

1. 전원 켜기

Once all connections (power, audio input, audio output) are securely made, apply power to the board. An LED indicator (if present) should illuminate, indicating the board is powered.

2. 볼륨 조절

Adjust the potentiometer (rotary knob) on the board to control the output volume. Start with the volume at a low setting and gradually increase it to your desired level to avoid sudden loud sounds.

3. 오디오 재생

Begin playing audio from your connected source. The preamplifier will boost the signal before sending it to your output device.

유지

• 보드를 깨끗하게 유지하고 먼지가 쌓이지 않도록 하세요. 청소할 때는 부드럽고 마른 브러시나 압축 공기를 사용하십시오.
• 모든 연결이 안전한지 주기적으로 확인하십시오.
• 사용하지 않을 때는 도마를 건조하고 서늘한 곳에 보관하십시오.
• The NE5532 operational amplifier chips are socketed, allowing for easy replacement or upgrade with other pin-compatible ICs if desired.

문제 해결

• 소리 없음:
  • Check all power and audio connections. Ensure they are firmly seated and correctly wired.
  • 전원 공급 장치가 올바른 전압을 공급하는지 확인하십시오.tage (AC 5-16V or DC 6-24V).
  • Ensure the audio source is playing and the output device is powered on and set to the correct input.
  • 기판의 볼륨 포텐시오미터를 조절하세요.
• Hum or Hissing Noise:
  • 모든 오디오 구성 요소의 접지가 제대로 되어 있는지 확인하십시오.
  • Ensure audio cables are shielded and not running parallel to power cables.
  • Move the unit or cabling away from potential sources of electromagnetic interference (RFI), such as power transformers, motors, or wireless devices.
  • Verify the power supply is stable and free from ripple.
• 왜곡된 소리:
  • Reduce the input signal level if it is too high.
  • Check the magnification setting (R1, R5 resistors); if it's too high for your application, consider reducing it.
  • Ensure the output device (e.g., amplifier) is not overdriven.

명세서

보증 및 지원

For warranty information and technical support, please refer to the seller's policies or contact GODIYMODULES directly through their official channels. Keep your purchase receipt as proof of purchase.