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SGH-E600/E608 Flow Chart of Troubleshooting and Circuit Diagrams
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3. PCS Receiver
CONTINUOS RX ON
RF INPUT : 698CH
Cell power : -50dBm
NORMAL CONDITION
catch the channel?
F1000 CHECK
pin15 ≥ -65dBm?
F1000 CHECK
pin6 ≥ -65dBm?
F1001 CHECK
pin4,6 ≥ -65dBm?
U901 CHECK
pin16,17 ≥ -65dBm?
CHECK
R1007,L1000,C1000,contact?
NO
CN1000
resolder or change
NO
F1000
resolder or change
NO
F1001
resolder or change
NO
C1006,C1007,L1003
resolder or change
NO
YES
YES
YES
YES
YES
U901 CHECK
pin8: 13MHz
NO
R800, C902
resolder
NO
OSC800 CHECK
pin 4 : 2.8V
pin 3 : 13MHz
V p-p : 950mV
NO
OSC800
change
YES
U901 CHECK
pin 1,2,3,,27:
V p-p100mV
NO
U901
resolder or change
YES
d Receiver is ok?
NO
GSM RX path component
resolder or change
END
