SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-25
9-15. PCS Receiver
RX ON
RF input : CH center freq : +67.7kHz
Cell Power : -60dBm
Yes
F100 Pin13
≥ -65dBm
No
Resolder RFS100,C101,L100
Yes
F100 5,6
≥ -68dBm
Check F100
pin9,pin12 = L
No
No
Check ANT Switch
control circuit
Yes
Yes
Resolder F100
U100
pin 20 ≥ -70dBm
pin 21 ≥ -70dBm
No
Resolder C100, C102, L104
Yes
U100pin11,12 16,17,
29,32,33,36 ≥2.8V
pin10≥1.8V
U100 pin 4,5,6,7
≥ 0.2Vp_p
No
No
Yes
Yes
Resolder U100
Check UCP200
END
Check & Resolder
C116,C119,C122
and PMU Part