Repair method and daily maintenance of LED backlight membrane switch from China
Time of issue：
Electronic products must be worn out during daily use, so the service life of the product is limited, and there will always be times when it breaks. The LED backlight membrane switch from China is the same, so can the LED backlight membrane switch from China be repaired after it is damaged?
The LED backlight membrane switch from China is installed on the surface of the product, and has the most contact opportunities with the outside world. During use, the button switch must be pressed, so the probability of damage is relatively high. If it is really damaged, do you want to repair it, or can it be repaired? , it depends on the specific circumstances of the damage.
The surface of the LED backlight membrane switch from China is a piece of PC or PET film, and the character pattern ink is printed on the back. The back coating cannot be scratched from the surface, so the ink will not fall off. If it is exposed to high temperature outdoors for a long time, the surface substrate will turns yellow, but in this case it will not affect the switch function of the product, so it can continue to be used normally.
If the convex shell of the button is pressed and knocked for many times with a hard object for a long time, the edge of the convex shell is broken, or the metal shrapnel under the convex shell cannot automatically rebound, or the sudden short circuit of the external voltage causes the key switch current to be too large to burn the conductive silver paste Lines, neither of these cases can be repaired alone.
Do not knock or poke the LED backlight membrane switch from China with sharp objects in daily use. If the use environment has corrosion resistance requirements, you can customize the LED backlight membrane switch from China.