Check Control Signal - LG KG110 Service Manual

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4. TROUBLE SHOOTING

4.3.2 Check Control Signal

NO
Check S_DATA
Level is high?
Download the SW
YES
Check S_EN, S_CLK,
Check if there is any
NO
major different. Refer
Similar?
Download the SW
to Graph 4-7
YES
Control Signal is OK,
See next page to check
TX IQ signal
S DATA
S CLK
S EN
Figure 4-11
S CLK
S EN
S DATA
Graph 4-7
38

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