Samsung LN40D630M3FXZA User Manual page 46

Other Information
The TV will not turn on. • Make sure the AC power cord is securely plugged in to 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.
The TV turns off automatically. • Ensure the Sleep Timer is set to Off in the Setup menu. (R 18)
• If your PC is connected to the T_, 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 will turn off after 10 - 15
minutes if there is no signal.
There is no picture/video. • Check cable connections. (remove and reconnect all cables connected to the TV and external
devices).
• Set your external device's (CabldSat Box, DVD, Blu-ray etc) video outputs to match the
connections to the TV input. For example, if an external devbe's output is HDMI, it should be
connected to an HDMI input on the TV.
• Make sure your connected devbes 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.
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 correct (}able TV
signal type is set in the menu. There are 3 options. (STD, HRC and IRC) (R 12)
• Verify the Antenna is positioned correctly.
No Caption on digital channels. ,, Check Caption Setup menu. Try changing Caption Mode Service 1 to OO1. (R 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.
A "Mode Not Supported" message • Set your PO'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 HDMI connection, check the audio output setting on your PC.
The wireless nets!ork connection failed. ,, Samsung Wireless USB dongb is required to use a wireless nets!ork.
,, Make sure the Network Connection is set to Wireless. (R 26)
• Make sure the TV is connected to a wireless IP sharer (Router).
Softs!are Upgrade over the network fails. ,, Try nets!ork test in Setup menu. (R 25, 27)
,, If you have latest SW version, SW upgrade will not proceed.
Purpldgreen rolling horizontal bars and ,, Remove the left and right audio connections from the sebtop-box. If the buzzing stops, this
buzzing noise from the TV speakers indicates that the sebtop-box has a grounding issue. Replace the Component video cables with
with Component cable connection, an HDMI connection.
The picture will not display in full screen. ,, HD channels will have black bars on either side of the screen when displaying upscabd SD (4:3)
contents.
,, Black bars on Top & Bottom will be shown on movies that have aspect ratios different from
your TV.
+ Adjust picture size option on your external device or TV to full screen.
The remote control does not work. + Replace the remote control batteries with correct polarity (+/-).
,, Clean the transmission window located orsthe top of the remote.
,, Try pointing the remote directly at the TV from 5~6 feet away.
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