LG -D100F Service Manual page 55

3. TROUBLE SHOOTING
3.3.1.4 Checking RF Flow(SAW filter)
START
Check TP1/TP2 for High/Low band at FL1100
No
Check if there is any major difference referring
Replace FL1100
To Figure 3.1.1(a) Is any signal detected at
that point?
Yes
Yes
To Figure 3.1.1(b) Is any signal detected
at that point
No
Check anything point
SAW filter is OK. Replace main B/D.
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