LG VX8610 Service Manual page 56

VX8610
Check if there is any major difference referring
To Figure 4.1.2 (e). Is any signal detected at
Check if there is any major difference referring
To Figure 4.1.2 (f). Is any signal detected at
Check if there is any major difference referring
To Figure 4.1.2 (g). Is any signal detected at
RF signal path is OK. See next page to Rx I/Q data signal
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Only for training and service purposes
Checking Flow
Checking Flow
Start
Check pin2(TP1) at U101
that point?
YES
Check pin4(TP2) at F101
that point?
YES
Is any signal detected at
that point?
YES
Check pin6(TP3) at DP101
that point?
YES
Is any signal detected at
that point?
YES
Replace U101
NO
Replace F101
NO
Check C112,L110,L112
NO
Replace DP101
NO
Check L119,C121,C127
NO
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LGE Internal Use Only