SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams
2-
17
11. PCS Receiver
Normal condition
catch the
channel ?
Check F601
pin 1
≥
-65 dbm
?
Check U600
pin 16,17
≥
-65dBm ?
Yes
No
No
Check F601
pin 8
≥
-65 dbm
?
Yes
No
Yes
Check ANT1, C615
Resolder or change
C629
Resolder or change
F601
Resolder or change
C609, C610, L604, F602
CONTINOUS RX ON
RF INPUT : 660CH
AMP : -50dbm
Check U600
pin 9, 26 = 2.8V
Yes
Resolder or change
U101 pin 39, C110
Yes
No
No
Resolder or change
U501