Checking Wifi Block - LG TracFone LG840G Service Manual

4.6 Checking WiFi Block

Check of Wifi Ant condition
LGE Internal Use Only
START
A condition is good?
Yes
Check Bias Voltage
VREG_MSME_1.8V
(TP1)
Yes
Is clock ok?
32.768KHz
(TP2)
Yes
Check XTAL
(TP3)
Yes
Wifi will
work properly
No
Replace Ant
No
Replace U802
No
Replace X301
No
Replace X801
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4. TROUBLE SHOOTING
Only for training and service purposes