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SGH-P738 Flow Chart of Troubleshooting and Circuit Diagrams
2-
10
10. DCS Receiver
Normal condition
catch the
channel ?
Check F601
pin 1
≥
-65 dbm
?
Check U600
pin 18, 19
≥
-65dBm ?
Yes
No
No
Check F601
pin 10,11
≥
-65
dbm ?
Yes
No
Yes
Check ANT1, C615
Resolder or change
C629
Resolder or change
F601
Resolder or change
C607, C608, L603
CONTINOUS RX ON
RF INPUT : 698CH
AMP : -50dbm
Check U600
pin 9, 26 = 2.8V
Yes
Resolder or change
U101 pin 39, C110, R600
Yes
No
No
Resolder or change
U501
Summary of Contents for SGH-P730C
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