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Flow Chart of Troubleshooting
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9-37
9-16. WCDMA Transmitter
No
Check around U200 (each TX path)
C260(B1)
C248(B8)
≥
0dBm
Check around U201
No
L295(B1)
L292(B8)
≥
17dBm
Resolder or Change DUF200(B8)
DUF201(B1)
No
L205(B1)
L219(B8)
≥
15dBm
Yes
R211 = 1.5V
No
Check around PAM200
Yes
Yes
C104
≥
20dBm
No
END
Yes
C101 = 2.8V
No
Yes
Check FEM100 POWER
(C416,C101.C107)
Resolder RFS100
Yes