Wifi Module - Samsung UN40JU6400F Service Manual

4. Troubleshooting

4-2-2. WIFI Module

Troubleshooting
Check Wired MAC Address and Wireless MAC Address at
1
Check Wired MAC and Wireless MAC at
2
Wired MAC errors :
-
Wireless MAC errors :
-
.
.
Model : UN**JU6400F
Wired MAC ----
Wireless MAC ----
WIFI : 0000
.
.
Check the Wi-Fi Module Connector voltage.
3
Wi-Fi Signal
(500mv P-P)
Pins
Standby
Power ON
• All Measurements in the Chart are DC Volts with Multi Meter.
Voltage is normal, but Wi-Fi Sig. pins (DC Ref.) If you do not measure, Wi-Fi Module can possibly
defective.
4-4
Factory Mode
Main Board is defective.
1 2
0 0
.04Vdc
0
Wi-Fi Sig.
Contact Samsung.
Wired MAC Address
Wireless MAC Address
screen. (Success/Failure)
Wired (SUCCESS)
Wireless (SUCCESS)
3 4
0 0
.04Vdc
5.3Vdc
Wi-Fi Sig.
5 6
0.8 0
3.3Vdc 3.3Vdc