Level 3 Repair
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8-17
8-3-8.BT/WIFI
BT/WiFi is not working
Check BT or WiFi function
ON
No
Enable BT or WiFi Function
Yes
END
Check C800 = 3.8V
Check C809 = 1.8V
while trying to operate
BT/WIFI
No
Check U501, Battery Contact and neighboring
Circuit
Yes
Check R802 Clock = 37.4Mhz
No
Check OSC800 and neighboring Circuit
No
Check U801, U501 and neighboring Circuit
Yes
Check the Status of ANT800,
L809,C841,C838,L810,DUF800,
L802,C837,C827,L807
No
Resolder or Replace L807,C827,C837,
L802,DUF800,L810,C838,C841,L809,ANT800
Yes
Resolder or Replace U802,
U803
Yes
BT_WIFI_ANT is O.K
Yes
No
Replace Rear(BT/WIFI ANT)
Check R810 = 32.768Khz
Yes
Summary of Contents for GT-I8350
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