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8. Level 3 Repair
8-4-22. BT/WIFI
Yes
No
Resolder or change the
ANT3000,ANT3001,ANT3002
Yes
No
Resolder or Replace of
C3008, C3023, L3014, L3030, L3028,
L3020, L3031, V3001, V3004
Yes
Resolder or change U3004
Check the Voltage on
C3016 = 1.8V
BT/WIFI is not working
Yes
No
Enable BT or WIFI function.
Yes
END
Yes
No
Check the U7002
(Crack, open, damaged, etc)
Yes
No
Resolder or change the L3021
Check BT or WIFI fuction ON
Check the Voltage on
L3021=3.7~4.3V(VBAT
C
heck the Status of C3008, C3023,
L3014, L3030, L3028, L3020,
L3031, V3001, V3004
Check the status of
ANT3000,ANT3001,ANT3002
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