Samsung GT-S3370 Service Manual page 57

9-2-8. WCDMA Band1 TX
FEM100 pin11:
about 2~3 dBm?
RFS100,C115,L117,L120
check&change
NO
UCP300
change oresolder
NO
FEM100
pin7 : 2.85 V?
YES
YES
NO
PAM201
BATTERY ,UCP300
pin1: 3.7~4.2 V?
check & change
YES
NO
PAM201 pin2
about : -5dBm ?
YES
UCP300
PAM201
check
change or resolder
NO
F201 pin 1
about : -5dBm?
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NO
FEM100
check& change
CONTINUOUS TX ON CONDITION
TX POWER CODE: 520 CODE Aplied
9-29
Flow Chart of Troubleshooting
CH : 698CH(DCS)
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB