Samsung Galaxy A52s Service Manual page 45

8. Level 3 Repair
8-4-21.
GSM DCS/PCS, WCDMA B1/2/4, LTE B1/2/3/4/7/32/38/40/41/66, N1/3/7/40/66 TRX
It is not catching the channel
Check ant path any damage
(RFS1002, ANT1006 ~ ANT1009)
Check TRX path any damage
Check U1000 or U2012 path any damage
(Crack, open, etc), is it ok?
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In normal condition
YES
Is it ok? (SUB PBA)
)
YES
(RFC1001~U1000)
Is it ok?
YES
YES
Change the board
YES
END
NO
Resolder or change
Antenna path components
NO
Resolder or change
TRX path components
NO Resolder or change
U1000 or U2012 TRX path
components