Gsm 1900 / Wcdma 1900 - Samsung SM-A510FD Service Manual

8. Level 3 Repair

8-4-18. GSM 1900 / WCDMA 1900

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)
Check Rx path
C1033,L1002,C1005
Is it ok?
Check F1004,U2002
any damage
(Crack, open, etc)
Change the board
END
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Yes
No
No
Yes
Yes
No
Resolder or change
Antenna path components
http://www.easy-firmware.com
Resolder or change
Rx path components
Resolder or change
F1004, U2002 components