LG S75A1-D - Wi-Fi

2-24
ELECTRICAL TROUBLESHOOTING GUIDE
Replace Wi-Fi module.
L307
should be 3.5 V.
Pin3 of IC302
should be 3.7 V.
Does Wi-Fi cable
connection OK?
L313
should be 25 V.
YES
YES
YES
YES
NO
NO
NO
NO
NO
Connect cable again.
Check IC501.
Replace IC313.
Check adaptor.
Pin2 of IC302
should be high.
2. Wi-Fi