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water damage, clean all no shorts ppbus 0v usb 20v
usb was 5v and after 10sec get 20v i was replaced D6950 and now 5v 2sec and then 20v
j6951 was damage, now its o.k.
i was replaced ISL 3 time but the same..
ppbus 390 0.2v
SCL 300 , SDA 400 on J6951
I was notice that QB300 and QB400 probably was get hot (they Brown color)..
PPDCIN_G3H 150 20V
PP20V_USBC_TB_VBUS_F 150 20V
UPC_TB_GATE1 150 20V
TP_BQ400_DRAIN 150 20V
UPC_TB_GATE2 600 0V
signal from USB-C this what i dont understand....what to look and what can Couse that?
UB400/300 Q300/400 for example...or what lines..
i have good board to check but i dont know what to search :|