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Level 3 Repair
8-3-2-11. WIFI
WIFI is out of order.
Yes
Check Ground ANT
condition is OK?
(crack,open,etc)
Yes
Check U104~C113
(U104,C147,F104,L110,C136,C113)
(crack,open,etc)
Yes
Check
R127 = 2.8V?
Yes
Check L128~C199
(L128,L129,F103,C199)
(crack,open,etc)
Yes
Check L125,C174
(crack,open,etc)
Yes
Check
OCS100 = 40Mhz?
C157,C160 = 2.8V?
Yes
CHECK U108 and Neighboring Circuits
(crack,open,etc)
END
No
No
No
No
No
No
SAMSUNG Proprietary-Contents may change without notice
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Resolder Ground ANT
C137,C108,C114
Resolder or Change
U104,C147,F100,L110,C136,C113
Check UCP200
Resolder or Change
L128,L129,F103,L125
Resolder or Change
L125,C174
Check UCP200
8-52
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