E89382 Hannstar J Mv-4 94v-0 Schematic Diagram Jun 2026

19V enters through the charging port and passes through two input MOSFETs controlled by a Charging IC (like the BQ24725).

If your power supply light blinks or turns off when plugged in, a ceramic capacitor on the "B+" (19V) line is likely shorted to ground. e89382 hannstar j mv-4 94v-0 schematic diagram

Finding the correct schematic is essential for diagnosing "no power" issues, short circuits, or liquid damage. Identifying Your Specific Motherboard 19V enters through the charging port and passes