LG KF750 Service Manual page 155

4. TROUBLE SHOOTING
Oscilloscope
LGE Internal Use Only
R F _ C T R L _ D A T A
R F _ C T R L _ C L K
R F _ C T R L _ S T R B
W C L K
Figure 4-28-2. Schematic (Control Signal)
Figure 4-29. Connection for Checking Control Signal
RF3100
T P 2 0 4
C 2 2 9 8 2 . p
Notebook to send
TP command
Phone
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