LG -D385 Service Manual page 114

3.3.3.4 Checking RF Flow(SAW filter)
Check TP1(L1105) for 1800/1900band at FL1100
Check if there is any major difference referring
To Figure 3.1.1(b) Is any signal detected at
SAW filter is OK. Replace main B/D.
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that point?
Yes
Figure 3.1.1 (b)
No
Replace FL1100
Yes
To Figure 3.1.1(b)
Is any signal detected at that point?
No
Check C1105, C1174, L1106
TP1
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3. TROUBLE SHOOTING
Only for training and service purposes