dont know history(but no water damage), someone play with the board before.
when it arrive to me PP3V3_G3H_RTC was short, i was fix it.
now, on one usb port it show 5v 0.3a and nothing on the other, i was replace U3200 and fix some caps there and now both usb show 5v 0.3a and every 10sec its of and on again.
PPBUS_G3H 12.3V
PP3V3_3GH 3.3V
when it arrive to me PP3V3_G3H_RTC was short, i was fix it.
now, on one usb port it show 5v 0.3a and nothing on the other, i was replace U3200 and fix some caps there and now both usb show 5v 0.3a and every 10sec its of and on again.
PPBUS_G3H 12.3V
PP3V3_3GH 3.3V