LG AT&T GR500 Service Manual page 136

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Oscilloscope
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Figure 4-13-2. Schematic (Control Signal)
Figure 4-14. Connection for Checking Control Signal
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Notebook to send
TP command
Phone
4. TROUBLE SHOOTING
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RF3300
LGE Internal Use Only
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