Samsung UN55MU7000FXZA Manual page 37

Troubleshooting
Pins 1 2 3
Stand 3.3 0 3.3V
by Vdc Vdc
Pwr 3.3V 3.3 3.3Vd
On dc Vdc c
4 5 6 7 8
N 0 0 0 0 0V
C V
0.7V 2.5V 0 0 3.3
eff. dc eff.dc V Vdc
BT Sig BT Sig
(DM) (DP)
4V P-P 4VP-P
Pin1
9 1 11 12
0
0 3 Vdc 0
0 .02V .02V
eff.dc eff.dc
WiFi Sig WiFi Sig
(DP) (DM)
0.5V P-P 0.5V P-P
- Go to Menu/Support/Contact Samsung
 . Wired MAC Address (missing or error - replace Main Board)
 . Wireless MAC Address
 . Bluetooth Address
-
If Bluetooth Address
errors exist
 BT & Wi-Fi Connector Voltages.
Wi-Fi Signals voltage(s), replace defective Module.
13 14 15 16
0 5Vdc 3.3 3.3
VCC Vdc Vdc
0 5Vdc 3.3 3.3
VCC Vdc Vdc
or Wireless MAC Address
If Voltages are OK but no BT or
PIN1 PIN16
are missing or