LG KT520 Service Manual page 143

4. TROUBLE SHOOTING
Oscilloscope
Figure 4-29. Connection for Checking Control Signal
LGE Internal Use Only
RF_CTRL_DATA
RF_CTRL_CLK
RF_CTRL_STRB
C230 5.6p
WCLK
Figure 4-28-2. Schematic (Control Signal)
Notebook to send
TP command
Phone
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