Read LG 50PH670S-ZD (CHASSIS:PD32A) Service Manual online
16. WIFI-B/I
Check Wifi Cable
Y
Check 3.3V voltage level at
N
Replace one of
L4302
L4302& Recheck
Y
Check USB interface DP/DM
N
Replace one of
Main Chip(IC105)& Recheck
Main Chip(IC105)& Recheck
Maybe WiFi module
has problems. Replace It.
has problems. Replace It.
Y
Click on the first or last page to see other 50PH670S-ZD (CHASSIS:PD32A) service manuals if exist.