Samsung Galaxy Tab 4 Service Manual page 32

8-3-7. GPS Part
GPS is not working
Check GPS function ON
Check the Voltage on C203,
C204, C205, C206, C207 =
Check Clock at C294 = 0V?
Check the Voltage of
GPS_LNA_EN (at C208),
Check the Status of
L201, L202, C209, L200,
C212, C211, L203, F200,
Check the Status of
L204, C210, L205, ANT200
Resolder or Replace U202
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Yes
Yes
1.8V ?
Yes
Yes
Yes
F201
Yes
Yes
Yes
END
No
Enable GPS Function
No
Check the U401(crack, open, damaged, etc.)
No
Check the U401(crack, open, etc.)
No
Resolder or change the U401
No
Resolder or Replace L201, L202, C209, L200,
C212, C211, L203,F200, F201
No
Resolder or Replace L204, C210, L205,
8-16
Level 3 Repair
ANT200