it-solve
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Merry Xmas, Healthy and Prosperous New Year.
PPBUS_G3H ok
PP5V_G3S - 5V -> 0V -> 5V
T2 heats up and down.
Heavy corrosion around the Tpad/KBD board
Corrosion around: U31/3200, U3060, C6406/6415, R5410 area, U9060, Q7660/80, Q7065, Q7401, R7430
There are no shorts anywhere. U7800 Diode mode seems to match a functioning board
PPBUS_G3H ok
PP5V_G3S - 5V -> 0V -> 5V
T2 heats up and down.
Heavy corrosion around the Tpad/KBD board
Corrosion around: U31/3200, U3060, C6406/6415, R5410 area, U9060, Q7660/80, Q7065, Q7401, R7430
There are no shorts anywhere. U7800 Diode mode seems to match a functioning board