Samsung GT-i8910 Service Manual page 123

Flow Chart of Troubleshooting
9-2-14. Abnormal GPS Rx Operation
Operate
Signal = -50dBm
@ANT200
1. Check
SAW filter input
Check F200 PIN4
≥ -80dBm
2. Check
GLNA_ON
Check LNA200
PIN5 = 1.8V
3. Check
LNA Output
RFT100
PIN42 ≥ -80dBm
4. Check
RX_GPS
RFT100
PIN42 ≥ -80dBm
END
YES
NO
YES
NO
YES
NO
YES
NO
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Change or Resolder
F200, L202, L204,
Check or Resolder
UCP300, R200
Change or Resolder
LNA200, L200,
L201, C200
Change or Resolder
C203, C204,
C208, L144
9-86