Why is there a buzzing current sound when playing music on the car navigation system?

1 Answers
DylanMarie
07/29/25 10:25pm
Introduction to the causes of buzzing current sound when playing music on the car navigation system: Generally, the issue arises due to poor grounding of the navigation system, which introduces external interference into the navigation circuit. If the noise originates from the wiring connections, it is necessary to enhance the shielding of the audio lines, including replacing the speaker wires. Additionally, the routing of the wires should avoid interference sources; otherwise, noticeable current noise may persist. It is recommended to visit a 4S shop for professional repair. Methods for maintaining the car navigation system: 1. Follow the correct shutdown sequence after use: first close the page, then turn off the device, and finally unplug the power. 2. Charging time: For the first three uses after purchase, it is best to charge the navigation device for at least 10 hours to maximize the battery's storage capacity. 3. Start the car before plugging in the cigarette lighter power: After navigation, unplug the cigarette lighter and reconnect it only after the next engine start. This helps protect the machine's battery and extend its lifespan. 4. Avoid contact with sharp objects on the navigation screen: Also, prevent strong impacts. Be cautious when placing items near the device.
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