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8. Level 3 Repair
8-4-20. GSM 850/900/1800/1900 WCDMA B1/2/4/5/8, LTE B1/2/3/4/5/8/12/17/20/26/28/66
PRx
It is not catching the channel
Check ant path any damage
Check RX path any damage
(RFC1000~F1000~U1000,~U2003)
Check F1000, U1000, U2003
(Crack, open, etc), is it ok?
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In normal condition
YES
(RFC1000~SW9001,
ANT9002/9003/9007)
Is it ok? (SUB PBA)
)
YES
Is it ok?
YES
any damage
i
YES
Change the board
YES
END
NO
Resolder or change
Antenna path components
NO
Resolder or change
RX path components
NO
Resolder or change
F1000, U1000, U2003
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