My desk lamp is touch switch, led lights are lit, touch switch to the touch is not working, has been bright, the luminosity is very dark now, not so dark before, but also it can be used to adjust luminosity, now touch switch has no effect. Hope the master directions... Please!!!!!!
Not touch switch is broken, is the control circuit is broken, installation of a mechanical switch use, repair is not worth. If the warranty by merchants can also The above answer you satisfied?
May be integrated block voltage is insufficient, low voltage cause, if you know some measure voltage circuit lo is not normal!
Voltage regulator tube 5 v measure!Hit the desk lamp, bright, directly touch doesn't work, the key is to the brightness of the hair it is very dark