F4901 1.1a 24v Schematic Upd Jun 2026

A tripped PPTC will be physically hot to the touch.

When a laptop like the Acer Aspire 5560G experiences a "black screen" but still powers on, technicians often check the F4901 fuse for continuity. If this fuse is blown, it breaks the circuit for the screen's backlight. f4901 1.1a 24v schematic