Samsung SM-G970U, Service Manual, Page: 89 / 112

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8. Level 3 Repair
8-4-20. BT/WIFI
Yes
No
No
Resolder or change the
ANT3000,ANT3001,ANT3004,ANT3006,A
NT3007
Yes
No
No
Resolder or Replace of
C3072,C3006,V3001,C3009,L3054,
V3010,C3046,C3044,C3005,
L3041,L3015,L3016,L3084,L3043
Yes
No
Resolder or change U3048
Check the Voltage on
C3019 = 1.8V
BT/WIFI is not working
Yes
No
No
Enable BT or WIFI function.
Yes
No
END
Yes
No
No
Check the U7000
(Crack, open, damaged, etc)
Yes
No
No
Resolder or change R3006
Check BT or WIFI fuction ON
Check the Voltage on
R3006=
3.7~4.3V(VBAT)
C
heck the Status of
C3072,C3006,V3001,C3009,L3054,
V3010,C3046,C3044,C3005,
L3041,L3015,L3016,L3084,L3043
Check the status of
ANT3000,ANT3001,ANT3004,ANT3
006,ANT3007