1. Frequently wipe with a damp cotton swab
The pressure roller of the cassette player and the magnetic head of the CD player in the stereo are all places where dust can easily accumulate. The most important part of the CD player is the laser head, because the laser head is a fragile part and relatively expensive, so it should be focused on maintenance. Although some car stereos have considered dustproof issues during the design process, protective measures are also necessary. You can often wipe the cassettes, cassettes, CD trays, and audio system panels with a damp cotton swab. The correct way is to gently absorb the dust with a damp cloth. As for the cleaning of buttons and knobs, cotton swabs can be used again.
2. Use the cleaning tool to clean the tape and CD
In addition to keeping the host of the audio system clean, tapes and CDs should also be kept clean. Dirt on the tape and disc will not only affect the sound quality of the playback, but even damage the sound. When the laser head of the CD player is running at high speed, if it encounters dust, the laser head will deviate from the original laser track, causing distortion of the sound and causing damage to the laser head. It is understood that tools for cleaning tapes and CDs are available in most audio-visual stores.
3. Change the disc slowly and change the disc less
Spring is a period of high incidence of damage to the car audio laser head, because the climate is dry, it is easy to generate static electricity. It is best not to touch it directly with your hands when placing the disc, do not take it in the middle, put it in slowly, try not to change the disc as often as possible, and try to be light when plugging the disc.
4. Don't suddenly put the volume to the maximum
During the use of the speaker, it is necessary to avoid suddenly setting the volume to the maximum, so that the speaker coil will burn, which will affect the amplifier, and the sudden increase in amplitude will also burn the amplifier.
common error
Due to the use environment of car audio, it is generally difficult to achieve the effect of home audio of the same grade. During use, it is also more prone to some failures than home audio. Here are some common car audio failures and troubleshooting methods.
1. The volume of the left and right audio channels is different
Troubleshooting: First check whether the balance button of the host is in the middle position, then check whether the LEVEL control buttons of the front input and output are the same, and whether the left and right channel settings of the amplifier input sensitivity are the same. If the speaker position is smaller, the side with the smaller speaker position will become larger. If it does, it means there is a problem with the host, otherwise it is a problem with the rear stage.
2. One channel is treble silent
Troubleshooting: First check whether the wiring of the crossover is connected, and then use an electric meter to measure whether there is sound from the crossover end. It may be that the speaker line input end is connected to the bass output end by mistake.
3. Noisy
Troubleshooting: Check whether the negative terminal of the RCA signal terminal is connected. If the negative terminal of the RCA signal output terminal of the host terminal has been disconnected, it can be measured with an electricity meter.
4. The volume is large and small
Troubleshooting: first check whether the connection between the power ground wire and the car shell is loose, then check whether the input and output RCA of the front and rear stages are normal, and finally see if the sensitivity knob is normal.
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