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8-3-16. GSM1800 Rx
NORMAL CONDITION
catch the channel?
Trouble occurs only in
GSM1800 band?
Check
L124,L125,C141,C195,C196
soldering condition for any
damage (crack, open, etc)
Check F103, U104 for
any damage (crack, open,
Check U107 for any
damage (crack, open,
Change the board
END
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No
NO
Yes
Yes
No
Yes
etc)
No
Yes
etc)
No
Try 8-3-3 Repair procedure
CHECK soldered components
L124,L125,C141,C195,C196
Resolder or change
F103,U104
Resolder or change
U107
8-34
Level 3 Repair
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