More and more portable devices support 3.5mm stereo headphones to play high-quality sound, including many new music phones, but with the popularity of portable headphones and earphones, as a lossy headset, from time to time out Faults do cause a lot of trouble to the user. How can these common faults be judged?
Headphone fault performance
1, the volume of the two sides of the unit is not equal, there is a situation of partial sound.
2, there is noise in the playback sound.
3, one or both sides do not make a sound.
Analyze the problem of failure one by one below.
The volume of the first and the two sides of the unit is different, and there is a partial sound condition
This situation is more common in earplugs, because the comparison of headphones, earplugs are relatively fragile, especially the unit part, many earplugs do not have the design of the dustproof net in front of the unit, so a long time, dust, ear canal secretions and the like The material will adhere to the diaphragm, causing vibration to be blocked, resulting in an unequal volume.
Second, there are noises in the playback sound
This situation can be caused by several reasons, 1 overloaded use, that is, the volume of the opening is too large, the diaphragm caused by the unit shot, there will be rustling sound, if the diaphragm is too large to cause physical damage, the headset Can't fix it, so it's best to use it within the power range that the headset can carry. 2 The inside of the headphone cable has been broken, but it has not been completely disconnected. This time when the contact is poor, the virtual headphone will have current sound or other noise. 3 There is a strong source of interference near the headset, such as a mobile phone or a power supply, and there will be interference noise in the headset, as long as you leave a certain distance.
Third, one or both sides do not make a sound
This situation is usually caused by the breakage of the headset cable, the author counted the probability of such failures, almost 90% of the headphones are not caused by the sound of wire failure, the most frequently broken parts in the plug part of the headset and the sub-line In part, there are some parts that are connected to the headset. If the plug is broken, you only need to replace it with a new one to fix it. If it is a branch or the part where the headphones are connected is broken, you need to replace the entire headphone cord.
For specific faults, you can simply determine the cause, so that a friend with hands-on ability can prescribe the right medicine. Even a friend who does not have hands-on ability can avoid being tricked by profiteers during maintenance.
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