Gsm1800, 1900 Tx - Samsung SM-J710FN Service Manual

8. Level 3 Repair

8-4-28. GSM1800, 1900 TX

It is not catching the channel
in normal condition
Check ANT PATH
any damage
(cable, MAANT13/14/15,
V1000, C1004, C1075,
RFS1000, C1022,
C1016)
Check Tx path
C1015
Is it ok?
Check TXM1000, U2002
any damage
(Crack, open, etc)
Change the board
END
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Yes
No
No
Yes
Yes
No
www.AppleUnlockStore.com
Resolder or change
Antenna path components
Resolder or change
Tx path components
Resolder or change
components
TXM1000, U2002