LG VX11000 Service Manual page 65

VX11000
Check if there is any major difference referring
To Figure 4.1.4 (a). Is any signal detected at
Check if there is any major difference referring
To Figure 4.1.4 (b ). Is any signal detected at
Check if there is any major difference referring
To Figure 4.1.4 ( c ). Is any signal detected at
RF signal path is OK. See next page to Rx I/Q data signal
LG Electronics Inc.
Checking Flow
Checking Flow
Start
Check pin2 at U1000
that point?
YES
Is any signal detected at
that point?
YES
Check pin6 at F1000
that point?
YES
Is any signal detected at
that point?
YES
Check pin4 at F1002
that point?
YES
Is any signal detected at
that point?
YES
Replace U1000
NO
Check C1064, L1023
NO
Replace F1000
NO
Check C1010
NO
Replace F1002
NO
Check L1004, L1005, C1029
NO
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