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Flow Chart of Troubleshooting
9-27
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9-2-7. DCS/ PCS TX
FEM100 pin11:
about 2~3 dBm?
RFS100,C115,L117,L120
check&change
FEM100
pin7 : 2.85 V?
FEM100
check & change
PAM100
pin4 : 3.7~4.2 V?
NO
NO
YES
YES
NO
BATTERY ,UCP300
check & change
PAM100
pin 5 : 1.2V ?
YES
NO
PAM100 pin8
about : -5dBm ?
YES
PAM100
pin 3 : 2.8V?
YES
YES
PAM100
change or resolder
NO
UCP300
check
Check R119
NO
C432 : 2.85V ?
UCP300
change oresolder
NO
CONTINOUS TX ON CONDITION
TX POWER DAC: 600 CODE APPLIED
CH :
190/37
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
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