Recently, lamps for repairs have become more frequent, there are obvious shortcomings in the technology of their production. The drivers are in wild conditions, microcracks in the soldering appear from the heat, electrolytes dry out and processes leading to the output of the primary and secondary power supply circuits of the panels are going on ... if you notice any deviations from the normal operation of such a device, contact the workshop for help .. .do not wait until the device is completely out of order, because while the disease is at the initial stage, it is easier and cheaper to cure it;)