Level 3 Repair
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8-12
8-3-5. BT/WIFI
BT/WiFi is not working
Check BT or WiFi function
ON
No
Enable BT or WiFi Function
Yes
END
Yes
Resolder or Replace U200
Yes
Yes
Yes
Check the Status of
TP201(BT_EN) or
TP200(WLAN_EN) = high
No
Check the UCP300-1
(crack, open, damaged, etc.)
Check the Voltage on
C204 = 1.8V
No
Check the U400(crack, open, damaged, etc.)
Yes
Check the Status of
L207, C236, C237
No
Resolder or replace L207, C236, C237