Samsung SM-G975F Service Manual page 109

8. Level 3 Repair
8-4-21. Motor
Motor does not work
Check the Clip on MAIN PBA
ANT8008 and ANT8007
Check the L8024 and L8025 on MAIN PBA
(crack,open,etc)
Check the voltage C8179 on MAIN PBA
C8179 > = 5.2V
Replace Motor
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Yes
Yes
Yes
Yes
Yes
END
No
Resolder or Reconnect
No
No
Resolder or Replace C8179
ANT8008, ANT8007
Resolder or Replace
L8024, L8025
or
Replace : U8031