: Governs safe switching between the AC Adapter and the Lithium-ion battery.
What do you currently have available for this repair (e.g., multimeter, soldering iron, hot air station, oscilloscope)? Share public link Mdk Mb-17 W Schematic
When a Toshiba MQ02ABF100 or adjacent drive goes completely dead (no spin, no sound, not recognized by the BIOS), the schematic helps map out the power rails to trace components. 1. Checking the Input Power Rail (TVS Diodes) : Governs safe switching between the AC Adapter