Wi-Fi - LG LAS855M Service Manual

ELECTRICAL TROUBLESHOOTING GUIDE

2. Wi-Fi

L317
should be 3.4 VA.
NO
Pin7 of IC309
should be 25 VA.
NO
L313
should be 25 V.
NO
Check adaptor.
YES
Does Wi-Fi cable
connection OK?
Connect cable again.
YES
Pin2 of IC309
should be high.
Check IC309.
YES
Replace IC309.
2-23
YES
NO
NO
Replace Wi-Fi module.