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8. Level 3 Repair
8-4-20. LTE B20 RX
It is not catching the channel
in normal condition
Check ANT PATH
any damage
(RFS1003, C1178, L1063,
ANT2000, ANT2001,
ANT2002, C2005, C2062,
C2033, L2030, C2001)
Re-solder or change
Rx path components
No
No
END
Check Rx path
C1011, L1047
Is it ok?
Check F1004,U2002
any damage
(Crack, open, etc)
Re-solder or change
F1004, U2002 components
Yes
Yes
No
Yes
Re-solder or change
Antenna path components
Change the board
http://www.easy-firmware.com
