Put the sound when the decorative board is abnormal where is the fault?
That off a line of the problem, such as: off the zero line, the two lines are the phenomenon of FireWire, such as broken FireWire. On the two are no electricity, simply said. Electricity rate of 50 per second, broken a line, no circuit.
This is caused by the resonance of the speaker.
You can put music when you look carefully to see that a sheet of vibration, you can reinforce it.
