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SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-29
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8-3-9. WiFi
WiFi does not work
Yes
U108 pin 15
≥
10dBm
Resolder or Replace U108
No
Yes
Check U108 pin 13,24,42,51
≥1.8V
pin 44
≥ 2.6V
pin 32,33 ≥ 3.3V
pin 40 ≥ 1.2V
Resolder U108 and U302
No
Yes
Check OSC100 pin1 or 3
40MHz ?
No
Resolder or Replace OSC100
Yes
Check
& Resolder U103
Yes
END