Have you noticed any like bulging capacitors or burn marks?
Never work on the board while it is connected to the AC mains. Ilpi-354 V.a Schematic
To help you with the specific problem you are facing with your ILPI-354 V.A board, could you tell me: Have you noticed any like bulging capacitors or burn marks
Orchestrates the high-frequency switching to step down the voltage through the main transformer. Ilpi-354 V.a Schematic
Failed CCFL lamp or failing inverter transformer.