Kabu light box is not bright repair method:
1. The internal wiring of the plug is loose and brittle
Solution: Click on the plug and reconnect to the end of the wire.
2, line embrittlement, especially the use of a long time, poor quality of the wire will also be in the internal embrittlement, oxidation for a period of time, broken line is not easy to power, with the naked eye is difficult to get.
Solution: Carefully check the line is not oxidized, check and replace the new line.
3, the leg of the LED lamp bead broken, because the edge of the lamp bead insulation glue is not enough, for a long time, it is likely to lead to the water leg broken.
Solution: Measure the amount of pen, detect the short leg lamp beads can be removed.
4, advertising light box internal short circuit fault, due to some advertising light box contact or often moved by the object, is likely to cause the deformation of the advertising light box, or due to aluminum plastic plate and lamp beads access and short circuit fault.
