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8. Level 3 Repair
8-4-21. LTE B7/ B38/B40/B41/ PRx
It is not catching the channel
Check ant path any damage
(RFS1001 ~ ANT1000)
Check RX path any damage
(RFS1001~U1001~PAM1001~U1002~U20
Check U1001, PAM1001, U1002, U2003
(Crack, open, etc), is it ok?
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In normal condition
YES
Is it ok?
)
YES
03)
Is it ok?
YES
any damage
i
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
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