LG KU580 Service Manual - Page 135
Control Signal
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4. TROUBLE SHOOTING PIN6 (STROBE) PIN7 (DAT)) PIN8 (CLK) PIN6 (STROBE) PIN7 (DAT)) PIN8 (CLK) Figure 4-30. Control Signal Check PIN6,PIN7 PIN8. Check shape and pk-pk level Refer to Figure 4-30 Similar ? Yes 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 U801 Control Signal is O.K. Check next stage LGE Internal Use Only - 136 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
- 136 -
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
Figure 4-30. Control Signal
PIN6 (STROBE)
PIN8 (CLK)
PIN7 (DAT))
PIN6 (STROBE)
PIN8 (CLK)
PIN7 (DAT))
Similar ?
Control Signal is O.K.
Check next stage
Download the SW
Check PIN6,PIN7
PIN8. Check shape
and pk-pk level
Refer to Figure 4-30
Yes
No
If signal is not OK even after
downloading, Change the U801
TP Command
MODE=4
WTXC=10700, 1,890,903,542,557
SYCT=10700