Troubleshooting and Maintenance
Troubleshooting
If the TV seems to have a problem, first review this list of possible problems and solutions. Alternatively, review the
Troubleshooting Section in the e-Manual. If none of these troubleshooting tips apply, please visit “www.samsung.com” and
click on Support, or contact the call centre listed on the back cover of this manual.
- This TFT LED panel is made up of sub pixels which require sophisticated technology to produce. There may be,
however, a few bright or dark pixels on the screen. These pixels will have no impact on the performance of the product.
- To keep your TV in optimum condition, upgrade to the latest software. Use the
Update now
or
Auto update
functions
on the TV's menu (
MENU
>
Support
>
Software Update
>
Update now
or
MENU
>
Support
>
Software Update
>
Auto
Update
).
Issues
Solutions and explanations
The TV is not powered on. Make sure that the power cord is connected and that the remote has live batteries and
is functioning properly. If the power cord is properly connected and the remote control is
operating normally, there might arise a problem with the antenna cable connection, or the
cable/set-top box might not be turned on. Check the antenna connection or turn on the cable/
set-top box.
The TV won’t turn on.
Make sure that the AC power cord is securely plugged in to the TV and the wall outlet.
Make sure that the wall outlet is working.
Try pressing the
P
button on the TV to make sure that the problem is not with the remote. If
the TV turns on, refer to “The remote control does not work” below.
There is no picture/video.
Check the cable connections. Remove and reconnect all cables connected to the TV and
external devices.
Set the video outputs of your external devices (Cable/set-top box, DVD, Blu-ray etc) to match
the TV's input connections. For example, if an external device’s output is HDMI, connect it to
an HDMI input on the TV.
Make sure that your connected devices are powered on.
Be sure to select the correct input source.
Reboot the connected device by unplugging it and reconnecting the device's power cable.
The remote control does
not work.
Replace the remote control batteries. Make sure that the batteries are installed with their poles
(+/–) in the correct direction.
Clean the sensor’s transmission window on the remote.
Try pointing the remote directly at the TV from 1.5~1.8 m away.
The Cable or set-top box
remote control doesn’t
turn on/off the TV or
adjust the volume.
Programme the cable or set-top box remote control to operate the TV. Refer to the Cable or
set-top box user manual for the SAMSUNG TV code.
Eco Sensor and screen brightness
Eco Sensor adjusts the brightness of the TV automatically. This feature measures the light in your room and optimises the
brightness of the TV automatically to reduce power consumption. If you want to turn this off, go to
MENU
>
System
>
Eco
Solution
>
Eco Sensor
.
- If the screen is too dark while you are watching TV in a dark environment, it may be due to the
Eco Sensor
.
- Do not block the sensor with any object. This can decrease picture brightness.
English
English - 7
[JU6400-XN-ZF]BN68-07198C-01L04.indb 7
2015-03-03 오후 4:40:27
