LG VX10000 Service Manual page 88

VX10000
2.2.8 Check Mobile S/W
RF IN
Checking Flow
Checking Flow
Start
Check pin1(TP1) , 2(TP2)
at U1001 . Referring to
Figure 2.1(l)
Is it similar ?
NO
Replace U1001
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Only for training and service purposes
Test Point
Test Point
RF OUT
Mobile S/W is
OK
YES
Circuit Diagram
Circuit Diagram
TP1
TP2
Waveform
Waveform
- 87 -
RF IN
RF OUT
Figure 2.2(l)
LGE Internal Use Only