LG D686 Service Manual page 64

3.3.1.4 Checking RF Flow(SAW filter)
Check TP1(L101) for 1800 band at FL101
Check if there is any major difference referring
To Figure 3.1.1(a) Is any signal detected at
SAW filter is OK. Replace main B/D.
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START
that point?
Yes
No
Replace FL101
Yes
To Figure 3.1.1(b) Is any signal detected at
Check anything point
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3. TROUBLE SHOOTING
that point
No
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