SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-24
9-16. PCS Receiver
RX ON
RF input : CH center freq : +67.7kHz
Cell Power : -60dBm
Yes
F100 Pin11
≥ -65dBm
No
Resolder RFS100,C103,L100
Yes
F100 7,8
≥ -68dBm
Check F100
pin10,pin14 = L
No
No
Check ANT Switch
control circuit
Yes
Yes
Resolder F100
U106
pin 20 ≥ -70dBm
pin 21 ≥ -70dBm
No
Resolder C112, C126, L108
Yes
U106pin16,17,29,
32,36 ≥2.8V
pin 10≥1.8V
U106 pin 4,5,6,7
≥ 0.2Vp_p
No
No
Check & Resolder
C116,C119,C121
And PMU Part
Yes
Yes
Resolder U106
Check U200
END
Summary of Contents for SGH D900i - Ultra Edition 12.9 Cell Phone 60 MB
Page 36: ...8 PCB Diagrams 8 1 Top ...
Page 37: ...PCB Diagrams 8 2 Bottom ...