Lte B7/38/40/41 Tx - Samsung SM-A505F Service Manual

8. Level 3 Repair

8-4-28. LTE B7/38/40/41 Tx

It is not catching the channel
Check ant path any damage
(High Band SUB PBA ~ RFS1001)
Check TX path any damage
(RFS1001~PAM1000)
Check TX path any damage
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In normal condition
YES
Is it ok?
YES
Is it ok?
YES
(PAM1000~U7066)
Is it ok?
YES
Change the board
END
NO
Resolder or change
Antenna path components
NO
Resolder or change
TX path components
NO Resolder or change
TX path components