LG VX11000 - Page 61

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LG Electronics Inc.
VX11000
Checking Flow
Checking Flow
Check pin2 at U1000
Check if there is any major difference referring
To Figure 4.1.3 (a). Is any signal detected at
that point?
Start
Replace U1000
YES
RF signal path is OK. See next page to Rx I/Q data signal
NO
Is any signal detected at
that point?
Check C1064, L1023
NO
Check pin4 at F1000
Check if there is any major difference referring
To Figure 4.1.3 (b). Is any signal detected at
that point?
YES
Replace F1000
NO
YES
Is any signal detected at
that point?
Check C1011
NO
YES
Check pin4 at F1001
Check if there is any major difference referring
To Figure 4.1.3 (
c
). Is any signal detected at
that point?
Replace F1001
NO
YES
Is any signal detected at
that point?
Check C1026, L1006, C1027
NO
YES