Hi Everyone.
A Dell lattitude 5480 just come from my friend. That has no sign of life even when plugged in or power button pressed.
Found a schematic see attached.
- Charger is on and fine when connected 19.9volt is presents
- CPU is slowly heating up when connected to the charger
- Checked the voltages on main rails and found that 3.3_ALWP on PL100 is 0.8 Ohm.
I'm tempted to go straight to voltage injection but I wanted to do this the right way.
Tomorrow I make some more measurements on PU100 pins and post the readings.
A Dell lattitude 5480 just come from my friend. That has no sign of life even when plugged in or power button pressed.
Found a schematic see attached.
- Charger is on and fine when connected 19.9volt is presents
- CPU is slowly heating up when connected to the charger
- Checked the voltages on main rails and found that 3.3_ALWP on PL100 is 0.8 Ohm.
I'm tempted to go straight to voltage injection but I wanted to do this the right way.
Tomorrow I make some more measurements on PU100 pins and post the readings.
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