Level 3 Repair
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8-17
8-3-7. WIFI
WIFI is not working
Check WIFI function ON
No
Enable WIFI Function
Yes
END
Check the Voltage on C218=
1.8V and C220=1.2V
No
Check the U701(crack, open, damaged, etc.)
Yes
Check 37.4 MHz Clock at
C227, C230
No
Check the OSC201(crack, open, etc.)
Yes
Check BT_WIFI_CLK32K at
C246
No
Resolder or change the U701
Yes
Check the Status of
C228, C253, C254
No
Resolder or Replace U212
Yes
Resolder or Replace U213
Yes
Yes
Yes
Check the Status of C251,
C229, C252, C248, C249,
C231, ANT200, ANT201
No
Resolder or Replace F201