820-00840 20V, 0A

yair37

Member
Clean board, 20V 0A after 5sec that i connect the charger i can see 20V 0.3A for a 1sec and back to 0.03A
PPBUS_G3H 13V
PP3V3_S5G 1V-0V PULS
PP3V3_G3H - 3.41V
PM_BATLOW_L 3.3V-0V PULS
 

2informaticos

Administrator
Staff member
PPBUS_G3H always steady 13V?

Try first the SMC bypass.
Possibly fault in a secondary supply; check diode mode on all big coils.
Test the board alone on the desk, nothing connected.
 
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