Only For Training And Service Purposes - LG L705i Service Manual

4. TROUBLE SHOOTING
For testing, Max power of UMTS2100MHz is needed.
Check the Tx
SAW filter FL10 4
And so lderi ng of
L505
Measured value and spectrum of TP1
LGE Internal Use Only
Check the PAM
Block U 1 04
- 84 -
Check the coupler
U103 and sol deri n g
Of L505
Check the
Duplexer FL10 3
and so lderi ng of
C68
Check the
FEM FL100
and so lderi ng
C103
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Only for training and service purposes