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8. Level 3 Repair
8-4-23. GSM 850/900/1800/1900, WCDMA B1/2/4/5/8, LTE B1/B2/B3/B4/B5/B8/B12
/B17/B20/B26/B28/B66 Tx
It is not catching the channel
Check ant path any damage
(ANT9001~ANT9002, ANT9007,)
Check TX path any damage
(RFC1000~F1000~U1000)
Check TX path any damage
(U1000~PAM1000~U2003)
Check ANT9001/9002/9007, RFC1000,
F1000, U1000, PAM1000,U2003
(Crack, open, etc), is it ok?
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Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.
In normal condition
YES
Is it ok? (SUB PBA)
)
YES
Is it ok?
YES
Is it ok?
?
YES
i
any damage
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
NO
Resolder or change
ANT9001/9002/9007, RFC1000,
F1000, U1000, PAM1000,U2003
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