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Samsung 630 User Manual Page 46

610/630 series 6.
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Other Information
No Picture, No Video
The TV will not turn on.
The TV turns off automatically.
There is no picture/video.
RF(Cable/Antenna) Connection
The TV is not receiving all channels.
No Caption on digital channels.
The picture is distorted: macroblock,
error, small block, dots, pixelization.
PC Connection
A "Mode Not Supported" message
"PC" is always shown on the source list,
even if a PC is not connected.
The video is OK but there is no audio.
Network Connection
The wireless network connection failed.
Software Upgrade over the network fails.
Purple/green rolling horizontal bars and
buzzing noise from the TV speakers
with Component cable connection.
The picture will not display in full screen.
The remote control does not work.

Solutions and Explanations
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
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 will 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
Set your external device's (Cable/Sat Box, DVD, Blu-ray etc) video outputs to match the
connections to the TV input. For example, if an external device's output is HDMI, it should be
connected to an HDMI input on the TV.
Make sure your connected devices are powered on.
Be sure to select the TV's correct source by pressing the
Reboot the connected device by reconnecting the device's power cable.
Make sure the coaxial cable is connected securely.
Please try Auto Program to add available channels to the channel list.
go to
- Channel - Auto Program then select Auto and make sure 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.
Check Caption Setup menu. Try changing Caption Mode Service 1 to CC1. (P. 20)
Some channels may not have caption data.
Compression of video contents may cause picture distortion. especially on fast moving pictures
such as sports and action movies.
A low signal can cause picture distortion. This is not a TV problem.
Set your PC's output resolution so it matches the resolutions supported by the TV.
This is normal; "PC" is always shown on the source list, regardless of whether a PC is
If you are using a HDMI connection, check the audio output setting on your PC.
Samsung Wireless USB dongle is required to use a wireless network.
Make sure the Network Connection is set to Wireless. (P. 26)
Make sure the TV is connected to a wireless IP sharer (Router).
Try network test in Setup menu. (P. 25, 27)
If you have latest SW version, SW upgrade will not proceed.
Remove the left and right audio connections from the set-top-box. If the buzzing stops, this
indicates that the set-top-box has a grounding issue. Replace the Component video cables with
an HDMI connection.
HD channels will have black bars on either side of the screen when displaying upscaled SD (4:3)
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.
Replace the remote control batteries with correct polarity (+/–).
Clean the transmission window located on the top of the remote.
Try pointing the remote directly at the TV from 5~6 feet away.
button on the remote


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