Samsung GT-B5310 Service Manual page 50

9-11. GPS Part
GPS ENABLE
check the Voltage at
C132 (3.8V,VBAT),
C133 (2.9V)?
Yes
check the Voltage at
C136 (1.8V)?
Yes
C171 = 26MHz
Yes
Check the assembled
staus of ANT103
Yes
Resolder or Replace the U101 or
UCP300
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No
Check U400
No
Resolder or Replace the U101
No
Resolder or Replace the U101 or
Resolder or Replace the U104
No
Resolder ANT103 or change
REAR COVER
9-25
Flow Chart of Troubleshooting