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Level 3 Repair
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Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-25
8-3-9. BT/WIFI
BT/WiFi is not working
Check BT or WiFi function
ON
No
Enable BT or WiFi Function
Yes
END
Check the Voltage on C221 =
2.8V
No
Check the U602(crack, open, damaged, etc.)
Yes
Check 37.4MHz Clock at
R206
No
Check the OSC200(crack, open, etc.)
Yes
Check the Voltage on L204 =
1.5V
No
Resolder or change the L204
Yes
Check the Status of
C218,C219,C220,ANT200
No
Resolder or Replace C218,C219,C22,ANT200
Yes
Yes
Yes
Resolder or Replace U204