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8-3-16. WB1
NORMAL CONDITION
catch the channel?
Trouble occurs only in
WB1 band?
Check
L107,L137,L139,L157,L12
9,C141,L132,L134,L135,L
138,L136soldering
Check DUF100,U116,
U117 for any damage
(crack, open, etc)
Check U124 for any
damage (crack, open,
Change the board
END
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No
NO
Yes
Yes
No
Yes
No
Yes
etc)
No
Try 8-3-3 Repair procedure
CHECK soldered components
L107,L137,L139,L157,L129,C141,L132,
L134,L135,L138,L136
Resolder or change
DUF100,U116,U117
Resolder or change
U124
8-38
Level 3 Repair
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