Samsung SM-G975F Service Manual page 87

8. Level 3 Repair
8-4-7. OTG
OTG does not work
CHG_IN_5P0(C9063) = 5V
VBUS_IF_5P0(L9013) = 5V
Check OTG working ?
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Yes
Check the
Yes
Check the
Yes
Yes
END
No
(crack, open, damaged, etc.)
No
(crack, open, damaged, etc.)
No
Check U8031
Check U9002
Change OTG Gender