The ILPI-354 V.A is an integrated power supply and LED driver board (PCB #491A011H1400H03) used in several Dell E-Series and SE-Series monitors, including the E2016HL and SE2218HV. The circuit features a primary switching stage, typically utilizing components like the LD75xx or OBxxxx PWM ICs, and a secondary stage providing +5V and +12V/19V outputs. Technical documentation, including schematics and board layouts for repair, can be found via resources like AliExpress
Filters AC input noise and converts it to high-voltage DC (approx. 300V-400V depending on the region).
The schematic for the ILPI354 VA has been revised.