SAMSUNG Proprietary-Contents may change without notice
8-10
Trouble Shooting
8-4 GPS mode
8-4-1 Low Sensitivity
Enter GPS Test Mode
END
Check LO Level
P>=-5dBm
Check RF
Cable connetion
Check LO
Freq=1391.82MHz?
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Check GPS RF path
Test Again.
Check V. on pin4
of Osc112V<=0.3V
Check V. on pin3
of OSC112 V=2.7V
Check V. on pin3
of OSC112 0<V 2.7
YES
YES
YES
YES
YES
YES
YES
YES
Check MSM GPIO port.
Check Power Circuit.
Check PLL.
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Check respective part, neighbor
matchig circuit or replace the
part, if required.
