Samsung SM-T350 Service Manual page 45

Level 3 Repair
8-3-3. TSP-HOMEKEY
HOMKETKEY does not work
Yes Check the HOMEKEY Connector
(CON_HOMEKEY, CON_GND)
No
Check HOMEKEY Conn
Satus
Yes
No
Check the VREG_L5_1P8 Check PMIC
R5037
U4000
Yes
Replace HOMEKEY FPCB
Yes
END
8-8
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