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820-00850-A not drawing 20v
- Thread starter Soji
- Start date
I can't find PP3V3_G3H_RTC_ISOL in schematic.
If all AWAKE and SLPS2R voltages present, try DFU mode.
Machine tries to start with known good battery?
If all AWAKE and SLPS2R voltages present, try DFU mode.
Machine tries to start with known good battery?
Battery will not charge, until get 20V on USB-C ports.
Compare diode mode readings around all CD3215 chips.
Compare diode mode readings around all CD3215 chips.
Be sure to check all points in the same way (red probe at ground).
"one out of the 4ports is not drawing current"
Which port is that one (reffered to schematic)?
"one out of the 4ports is not drawing current"
Which port is that one (reffered to schematic)?
Mentioned lines correspond to JB500!
Remove USB-C connector from shell and check its pins.
Remove USB-C connector from shell and check its pins.
Compare diode mode readings between the lines of USB ports.
Remove the connectors from the shell and inspect the terminals.
Remove the connectors from the shell and inspect the terminals.