Samsung UN46EH5000FXZA Troubleshooting Manual page 5

Standby A3.3V
on Function
Connector, Pin
3.
All Pins should
read 3.3V
before
commands.
Press, at Key 1,
Pin 6. 3.3V to
0.0V DC
Left, Right, Up,
Down at
Key 2, Pin 7.
Check specific
voltages on
chart.
Function Control Troubleshooting
5