Dell 1503FP Service Manual page 6

9 Schematic Diagrams
9-5 Power Part Schematic Diagram
+12V_INV +12V
+5V +12V
+12V
+3.3V_P
+5V
+5V
+2.5V_A
+3.3V_D
+2.5V_D +3.3V_A
+3.3V
LVDS_3.3 PANEL_3.3
LVDS_EN
PANEL_EN
1503FP 9-5