LG KT520 Service Manual page 144

PIN6 (STROBE)
PIN7 (DAT))
PIN8 (CLK)
PIN6 (STROBE)
PIN7 (DAT))
PIN8 (CLK)
Check PIN12,PIN13
PIN14. Check shape
and pk-pk level
Refer to Figure 4-30
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Only for training and service purposes
Figure 4-30. Control Signal
Similar ?
Yes
Control Signal is O.K.
Check next stage
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4. TROUBLE SHOOTING
TP Command
MODE=4
WTXC=10700, 1,890,903,542,557
SYCT=10700
No
Download the SW
If signal is not OK even after
downloading, Change the U301
LGE Internal Use Only