Want to find common features, unified purchase accessories repair!
The most common problem is that 1, the drive power is broken 2, the light source due to excessive or excessive flow leading to necrosis
The proposed open, lamp is broken, can find light black or other unusual circumstances, bad power supply at the circuit board and components have the same burn what, under normal circumstances is such.
Common problems, a lamp is broken, the heat is not good cause, most likely it is a bad driver. As for the aluminum substrate, it should not be bad
