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在濟南汽車音響改裝http://www.szanyuda.com/系統的時候，做好接地工作，這也是一個很重要的問題，而且理論知識是相當重要的，接地，電子技術中，既簡單，又復雜，而且還必不可少。
 

1、濟南汽車音響改裝用細砂紙將車體接地點處的油漆去除干凈，將接地線固定緊。保護接地是為防止電源極性接反造成設備損壞而設置的保護裝置，簡單的方法是在電源的輸入端對地加反向二極管，汽車音響器材電路中尤為常見。
Jinan modified car stereo body with fine sandpaper will take place at the removal of paint and clean the ground wire tight. Protective earthing is power protection devices to prevent reverse polarity damage to the equipment and set up, the simplest way is at the input of the power supply to ground plus reverse diode, car audio equipment circuit is particularly common.

2、濟南汽車音響改裝主機和功放應該分別接地。器材電源輸入端都有穩壓電路，同時也設有過壓保護電路和過流保護電路，以及溫度保護電路。當系統消耗電流很大時，蓄電池接地端一定要牢固。在電源和接地間用粗直徑的線材布線，如絞股線。這樣做能夠加強連接，有效地抑制噪聲并提高聲音質量。
Jinan host and modified car stereo amplifier should be separately grounded. Equipment power input has a voltage regulator circuit, but also with overvoltage protection circuit and overcurrent protection circuit, and temperature protection circuitry. Current consumption when the system is large, the battery ground terminal must firmly. Between the power and ground wire to wire large diameter, such as the twisted strands. This connection can be strengthened to effectively suppress noise and improve the sound quality.

3、濟南汽車音響改裝http://www.szanyuda.com/時不要靠近行車電腦布線。在所有接地中，屏蔽地最復雜，因為屏蔽本身既可防外界干擾，又可能通過它對外界構成干擾，而在設備內各元器件之間也須防電磁干擾，如大家熟知的中周外殼、電子管屏蔽罩就是例子。信號線屏蔽接地十分重要。請記住，主機接地點靠近行車電腦的接地點或固定點時，會產生行車電腦噪聲，在汽車內所布的線材和音頻線都要加上汽車專用護套套管。
Jinan car stereos do not close when the trip computer wiring modification. In all grounded, the shield to the most complex, because both anti-shielding itself from outside interference, they may interfere with the outside world through it, and between the various components within the device also beware of electromagnetic interference, such as well-known in the week housing , tube shield is an example. Signal line shield grounding is very important. Remember, the host ground near the ground or the trip computer fixed point, trip computer generated noise in the car the cloth wire

and audio cables should be coupled with automotive-specific jacket sleeve.