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SGH-E610 Flow Chart of Troubleshooting and Circuit Diagrams
3. PCS Receiver
CONTINUOS RX ON
RF INPUT : 698CH
Cell power : -50dBm
NORMAL CONDITION
pin13 ≥ -65dBm?
pin 1,2,3,4,5,6,7:
PCS Receiver is ok?
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NO
catch the channel?
YES
NO
F100 CHECK
YES
F100 CHECK
NO
pin5, 6 ≥
-65dBm?
YES
U101 CHECK
NO
pin16,17 ≥
-65dBm?
YES
NO
U101 CHECK
pin8:13MHz
YES
U101 CHECK
NO
V p-p100mV
YES
NO
END
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CHECK
L104,L105,contact
CON101
resolder or change
F100
resolder or change
CHECK
U101, C116, C119,
L102
resolder or change
NO
R103, C105
resolder
U101
resolder or change
PCS RX path component
resolder or change
2-18
OSC101 CHECK
pin 4 : 2.8V
pin 3 : 13MHz
Vp-p : 950mV
NO
OSC101
change
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