LG -D175F Service Manual page 50

3.1.2.4 Checking RF signal path (Duplexer)
Check TP1(C1619) at FL1600
Check if there is any major difference referring
To Figure 3.1.1(b) Is any signal detected at that
Is any signal detected at that point?
All WCDMA_B1 Rx check is complete.
If the phone sill do not work ,replace main board
Center Frequency :
881.4MHz
LGE Internal Use Only
START
point?
Yes
Yes
Figure 3.1.1(b)
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3. TROUBLE SHOOTING
No
Check L1620, C1619, C1604
No
Replace FL1600
TP1
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