Samsung ln40c550 User Manual page 44

Other Information
The TV won't turn on.
The TV turns off automatically.
There is no picture/video
Make sure the AC power cord is securely plugged into the wall outlet and the TV.
Make sure the wall outlet is working.
• Try pressing the POWER button on the TV to make sure the problem is not the remote.
If the TV turns on, refer to 'Remote control does not work' below.
Ensure the
Sleep Timer
is set to Off in the
Setup
menu. (P. 18)
If your PC is connected to the TV, check your PC power settings.
Make sure the AC power cord is plugged in securely to the wall outlet and the TV.
When watching TV from an antenna or cable connection, the TV vvi!! turn off after 10 - 15
minutes if there is no signal.
Check cable connections. (remove and reconnect all cables connected to the TV and external
devices).
Set your external device's (Cable/Sat Box, OVO, Blu-ray etc) video outputs to match the
connections to the TV input. For example, if an external device's output is HOMI, it should be
connected to an HOMI input on the TV.
•
Make sure your connected devices are powered on.
•
Be sure to select the TV's correct source by pressing the
SOURCE
button on the remote
control.
•
Reboot the connected device by reconnecting the device's power cable.
I
RF(Cable/Antenna) Connection
I
The TV is not receiving all channels.
·
Make sure the coaxial cable is connected securely.
•
Please try Auto Program to add available channels to the channel list. go to MENU - Channel
- Auto Program
then select Auto and make sure the correct Cable TV signal type is set in the
menu. There are 3 options.
(STD, HRC
and
IRC)
(P. 12)
•
Verify the Antenna is positioned correctly.
No Caption on digital channels.
·
Check Caption Setup menu. Try changing
Caption
Mode
Service 1
to
CC1.
(P. 20)
·
Some channels may not have caption data.
The picture is distorted: macroblock,
•
Compression of video contents may cause picture distortion. especially on fast moving pictures
error, small block, dots, pixelization.
such as sports and action movies.
•
A low signal can cause picture distortion. This is not a TV problem.
!
PC Connection
A "Not Supported Mode" message
•
Set your PC's output resolution so it matches the resolutions supported by the TV.
appears.
"PC" is always shown on the source list,
·
This is normal; "PC" is always shown on the source list, regardless of whether a PC is
even if a PC is not connected. connected.
The video is OK but there is no audio.
•
If you are using a HOMI connection, check the audio output setting on your PC.
I
Network Connection
I
The wireless network connection failed.
•
Samsung Wireless USB dongle is required to use a wireless network.
•
Make sure the Network Connection is set to Wireless. (P. 25)
•
Make sure the TV is connected to a wireless IP sharer (Router).
Software Upgrade over the network
·
Try network test in Setup menu. (P. 26)
fails.
•
If you have latest SW version, SW upgrade will not proceed.
44
English