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Level 3 Repair
8-30
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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 L200 = 3.8V
Check L201 = 1.8V
while trying to operate
BT/WIFI
No
Check U807, Battery Contact and neighboring
Circuit
Yes
Check R206 Clock = 38.4Mhz
No
Check OSC 201 and neighboring Circuit
No
Check OSC801, U807 and neighboring Circuit
Yes
Check the Status of ANT200,
ANT201, C258, C259, C260
No
Resolder or Replace C258, C259, C260,
ANT200, ANT201
Yes
Resolder or Replace U210
Yes
BT_WIFI_ANT is O.K
Yes
No
Replace BT/WIFI ANT in rear
Check OSC801 = 32.768Khz
Yes