8. Level 3 Repair
8-4-22. LTE B7/38/40/41 PRx
It is not catching the channel
Check ant path any damage
Check RX path any damage
Check PAM1000 ~ U7066
(Crack, open, etc), is it ok?
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In normal condition
YES
(RFS1001 ~ U1005)
Is it ok?
YES
(U1005~PAM1000)
Is it ok?
YES
any damage
YES
Change the board
YES
END
NO
Resolder or change
Antenna path components
NO
Resolder or change
RX path components
NO
Resolder or change
RX path components