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Flow Chart of Troubleshooting
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10-35
10-14. PCS Receiver
Yes
CONTINUOUS RX on
RF input : 660CH
Cell power : -50dBm
RX ON
RF input : 660CH
Cell Power : -50 dBm
Yes
No
Resolder RFS100
C107
≥
-65dBm
L105 > 2.5V
R103 < 0.5V
R104 > 1.5V
R105 < 0.5V
Yes
Check UCP300
No
Yes
C115
≥
-68dBm
No
Resolder F101 or Change F101
Yes
No
Check UCP300
Check U202
U202 PIN
11,12,13,14
≥
500mV
END
Содержание SGH-L770V
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