LG VX9100 Service Manual page 55

VX9100
Check if there is any major difference referring
Check if there is any major difference referring
Figure 4.1.2 (c)
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Only for training and service purposes
Checking Flow
Start
Check pin49, 50, 51 at U108
To Figure 4.1.2 (c), (d)
NO
Redownload S/W
Check pin49, 50, 51 at U108
To Figure 4.1.2 (c), (d)
NO
Replace Main B /D
Checking Flow
Control signal is Ok . See next page
YES
Control signal is Ok . See next page
YES
Waveform
Waveform
Figure 4.1.2 (d)
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to check RF signal path .
to check RF signal path .
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