: A specialized step-up or constant-current circuit that regulates the brightness of the screen LEDs. Common Repair Insights
This wire connects to the Drain pin of the original MOSFET or the primary winding of the transformer that connects to the high-voltage side. ilpi354 va schematic upd
If you can also share a , I can help you identify specific components for an upgrade. UPS Circuit Diagram with Repair and full Working Tutorial : A specialized step-up or constant-current circuit that