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NEWS
01
2020
-
04
Headphone repair: How do I repair my own in-ear headphoness?
2020-04-01
Author:
Domestic professional headphone repair service providers are few, but for some cheap headphones, the cost of maintenance is not as good as to buy a new pair. In fact, common wired in-ear headphones, its internal structure is actually very simple, in the source contact repair work order, more than half is caused by the headphone cord or plug, as long as there are tools and a little bit of hands-on ability, can handle themselves, the following is a simple tutorial.
First, troubleshooting problems
1, the required tools
Iron and solder knife or scissors heat shrink tube striping clamp meter.
2, test headphones
Try connecting to another computer or phone, or test your device with a different headphone to confirm that there is a hardware failure in the headphones.
3, test plug
Turn the headphone plug, bend or press the plug connection in all directions, and if a sound is heard, the plug is faulty. Please jump directly to the lower plug repair tutorial.
4, test the headphone cord
Wearing the headphone and turning on the audio, bending the different positions of the headphone cable, if you can hear some sound, is the problem with the headphone cord.
If your headphone cable is removable, plug the cable into another headphone test, or change the headphone cable to see if it's a headphone cable or a unit problem.
5, use the universal table test
If no problem is found, use a universal table to fluctuate the meter to a continuity test, marking it generally similar, and if the wire does not break, the meter will beep. Change the method needs to remove the headphones or cable skin, in addition to the general headphone line plated with insulation, test ingress with a knife to remove.
Second, headphone line repair
To find out where the wires are breaking, bend the cable to a right angle on the tip of your thumb, slide your thumb along the headphone cord, and determine the position when the sound is broken or cut in. In addition, through the multi-meter segment troubleshooting, but need to open or cut in different positions, affecting the appearance.
1, peel off the insulation, find the fracture position
If the headphone cable is two sticky together, each cable contains an insulating wire (signal) and a bare wire (ground wire). Apple headphones and other headphones with a single cable have two insulated wires (left and right signals) and a bare ground wire.
2, cut the headphone cord, the different color line separation and finishing, and set into the heat shrink tube (no insulation cloth can be replaced)
3, according to the color stitching wire, you can place two wires in parallel and then screw together, can also cross overlap, winding at both ends.
4, use the iron to melt a small amount of solder on the wire. Bare wires usually have a thin insulation coating and the welding process is burned, but it is best to burn them in advance with a soldering iron contact to avoid smoke inhalation.
5, after cooling slide the shrink tube, with a lighter to shrink to fix the welding position, pay attention to the insulation of different wires.
Third, repair plug
1, buy new plugs (there are many online), to ensure that the same specifications and types of old plugs, usually 3.5 mm 4 knots.
2, cut off the old plug, sort the wires and sort, usually the headphone has 4 lines, including the right ear red line, the left ear of the green line (or red-green cross), as well as bare copper or black ground wire, and a headphone or control of the white line. If you have two ground lines, you can wrap them together in advance.
3, first on each wire and plug contact point under the solder, and then in accordance with the wiring diagram, weld to the corresponding welding point. It provides three more common standard methods, but some brands may differ from the way you can test your own wiring, or look for the docking method online.
Dismantling earbuds repair
The connection between the headphone cord and the earbudise is also a fragile part, and wire breaks or dewelding often occur, where welding is easy. But the problem is that disassembling and smudging is a little difficult, looking for a professional headphone repairer a better way, if it is not convenient or the headphone is very cheap, you can also try to repair.
The vast majority of earbuds are glued together, so opening usually causes varying degrees of damage, need to find the right tools, and disassembly points open. After repaired, need to re-stain, pay attention to the right amount of glue, commonly used universal glue are OK, stick to the use of clips fixed for a period of time can be.
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