Level 3 Repair
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8-30
Check C137, C139, L128
soldering condition for
any damage (crack, open,
etc)
Trouble occurs only in
GSM1800 band?
8-3-15. GSM850 RX
NORMAL CONDITION
catch the channel?
Check F101 for any
damage (crack, open,
etc)
CHECK soldered components
C137, C139, L128
Resolder or change
F101
Change the board
END
No
Yes
No
Yes
No
No
Try 8-3-3 Repair procedure
NO
Yes
Check U100 for any
damage (crack, open,
etc)
Resolder or change
U100
Yes
Summary of Contents for GT-I8190
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