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Flow Chart of Troubleshooting
9-29
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9-2. RF Section
9-2-2. Abnormal WLAN Operation
U302 PIN 37
= 32KHz ?
NO
Check U601
Operate WLAN
YES
U302 PIN 20
level = 1.8V?
Check UCP1000
NO
YES
NO
YES
C312 = 26MHz?
Change the OSC200
and neighboring circuit
Check BT&WIFI
Antenna contact
abnormal
END
normal
Check ANT300 &
matching circuit