3. TROUBLE SHOOTING
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START
No
Check ANT Contact’s status
Yes
Check TP1 Signal exist?
Check FL1005 Soldering
Check FL1007 Soldering
Check U1003 Soldering or Replace
No
Not good
OK?
Check TP2 Signal Exist?
Yes
Check TP3/4 High Mode?
3.6.1.3 Checking DRX Antenna Switching Module(B2/4)