TheTk/turns off automatically. • Ensurethe Sleep Timer is set to Off in the Setup menu (p. 21).
• Ifyour PC is connected to the T_, check your PC power settings.
• Make sure the AC power cord is plugged in securelyto the wall outlet and the T_
• When watching TV from an antenna or cable connection, the TVwill turn off after 10 - 15 minutes if
there is no signal.
There is no picture/video. • Check cable connections (remove and reconnect allcables connected to the Tk/and external
devices).
• Setyour externaldevice's (Cable/Sat Box, DVD, Blu-ray etc) video outputs to match the connections
to the TV input. Forexample, if an external device's output is HDMI,it should be connected to an
HDMI input on the TkL
• 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 cane.
RF(Cable/Antenna)Connection
TheTk/is not receivingall channels. • Make sure the coaxial cable is connected securely.
• Pleasetry Auto Program to add available channelsto the channellist. 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.15).
• Verifythe Antenna is positioned correctly.
No Caption on digital channels. • Check Caption Setup menu. Try changing Caption Mode Service1 to OO1 to (p.24).
• Some channels may not have caption data.
The picture isdistorted: macro block error, • Compression of video contents may cause picture distortion, especiallywith fast moving pictures
smallblock, dots, pixelization, such as sports and action movies.
• A low signal can cause picture distortion. This is not aTV problem.
PC Connection
A "Mode Not Supported" message • Set your PC's output resolutionso it matches the resolutions supported by the Tk/(p. 12).
appears.
"PC" is always shown on the source list, • This is normal; "PC" isalways shown on the source list, regardless of whether a PC isconnected.
evenif a PC is not connected.
Thevideo isOK but there is no audio. • Ifyou are using an HDMI connection, check the audio output setting on your PC.
Network Connection
Wirelessnetwork connection failure. • The Samsung Wireless USB dongle is required to use awireless network.
• Make sure Network Connection is set to Wireless (p. 29).
• TV must be connected to awireless IPsharer (router).
Software Upgrade over the network fails. • Try network test in Setup menu (p.24).
• Ifyou havelatest SW version, SW upgrade will not proceed.
Others
Purple/green rollinghorizontal bars and • Removethe left and right audio connections from the set-top-box. Ifthe buzzing stops, this indicates
buzzing noise from the TV speakers with that the set-top-box has a grounding issue. Replacethe Component video cables with an HDMI
Component cable connection, connection.
The picturewon't display in full screen. • HD channelswill haveblack bars on eitherside of the screen when displaying up scaled SD (4:3)
contents.
• Black bars on the top and bottom will appear during movies that have aspect ratios different from
your TkL
• Adjust the picture size options on your external device or TVto full screen.
The remote control does not work. • Replace the remote control batteries with correct the poles (+/-) in the right direction.
• Cleanthe sensor's transmission window on the remote.
• Try pointing the remote directlyat the TV from 5.46 feetaway.
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