4. TROUBLE SHOOTING
4.3.6 Checking TX IQ
Test Points
Checking Flow
C660 C661
No
Check C660,C661.
Similar?
Download the SW
Check if there is any major
difference
Refer to Graph 4-7
Yes
TX IQ signal is OK
See next page to check
RF TX Level
Figure 4-11
Waveform
TXI
TXQ
Graph 4-7
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