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Level 3 Repair
8-32
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8-4-6. DCS/PCS TX
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
CONTINOUS TX ON CONDITION
TX POWER DAC:14500 CODE
APPLIED
DCS CH : 698
PCS CH : 661
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
Change Main PBA
Tx ON (Level :5)
Battery voltage:3.8V
Yes
No
Check RFS100,L101,L100,
L103,C146
NORMAL CONDITION
catch the channel?
Yes
No
Check PAM100,C123,
L106,R110
Check the connection
C113,L106,R110,
Yes
No
Put more lead solder
each terminal
Check the voltage
C139
≥
3.0V
?
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