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Flow Chart of Troubleshooting
9-38
9-16. WCDMA Receiver
CONTINUOUS RX on
RF input : 10700CH
Cell power : -50dBm
RX ON
RF input : 10700CH
Cell Power : -50 dBm
Yes
No
Resolder RFS101
C134
≥
-65dBm
C167 > 2.5V
C165 > 1.5V
C166 < 0.5V
C174 < 0.5V
Yes
Check UCP301
No
Yes
L202
≥
-68dBM
Resolder or Change MOD101
No
Yes
U101 PIN
11,12,13,14
≥
500mV
No
Yes
Check UCP301
END
C207
≥
-71dBM
No
Resolder or Change DUF201
Yes
Yes
C137
≥
-74dBM
No
Check U101
C136
≥
-74dBM
C144
≥
-74dBM
Yes
No
Resolder or Change F101
Check U101
Содержание SGH-G400
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