Samsung 4 Series User Manual page 13

Sound Problem
There is no sound or the sound is too low at
maximum volume.
The picture is good but there is no sound.
The speakers are making an inappropriate
noise.
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.
Others
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.
The cable/set top box remote control
does not turn the TV on or off, or adjust
the volume.
A "Mode Not Supported" message
appears.
Caption on the TV menu is greyed out.
There is a plastic smell from the TV.
TV Signal Strength is unavailable in the
Self Diagnosis Test menu.
TV is tilted to the right or left side.
The Channel menu is greyed out
(unavailable).
Your settings are lost after 30 minutes or
every time the TV is turned off.
You have intermittent loss of audio or video.
Perform the Sound Test to confirm your TV's audio is working properly.
(Go to MENU - Support - Self Diagnosis - Sound Test)
If the audio is OK, the sound problem may caused by the source or signal.
Check the volume control of the device (Cable/Sat Box, DVD, Blu-ray, etc.) connected to your TV.
y If you are using an external device, check the device's audio output option. Ex. You may need to change your cable box's
audio option if you have the cable box's audio output connected to your TV using an HDMI cable.
y Reboot the connected device by unplugging and then reconnecting the device's power cable.
y Check the cable connections. Make sure a video cable is not connected to an audio input.
y For Antenna or Cable connections, check the signal information. A weak signal may cause sound distortion.
y Perform the Sound Test as explained above.
y Make sure the AC power cord is securely plugged into the wall outlet and the TV.
y Make sure the wall outlet is working.
y Try pressing the POWER button on the TV to make sure the problem is not caused by the remote.
If the TV turns on, refer to 'Remote control does not work' below.
y Ensure the Sleep Timer is set to Off in the Time menu.
y If your PC is connected to the TV, check your PC power settings.
y Make sure the AC power cord is plugged into the wall outlet and TV securely.
y When you are watching a TV connected to an antenna or to a cable connection, the TV will turn off after 10 - 15 minutes if
there is no signal.
y Check the cable connections. (Remove and reconnect all cables connected to the TV and external devices).
y 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.
y Make sure your connected devices are powered on.
y Be sure that the TV is set to the correct source by pressing the
y Reboot the connected device by unplugging and then reconnecting the device's power cable.
y Make sure the coaxial cable is connected securely.
y Run Auto Program to add available channels to the channel list.
Go to - Channel - Auto Program then select Auto and make sure the correct Cable TV signal type is set in the
MENU
menu. There are 3 options. (STD, HRC, and IRC)
y Verify the antenna is positioned correctly.
y Check the Caption Setup menu. Try changing Caption Mode Service1 to CC1.
y Some channels may not have caption data.
y Compression of video contents may cause picture distortion, especially on fast moving pictures such as sports and action
movies.
y A weak signal can cause picture distortion. This is not a TV problem.
y 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.
y HD channels will have black bars on either side of the screen when displaying up scaled SD (4:3) contents.
y Black bars on the Top & Bottom will be shown on movies that have aspect ratios different from your TV.
y Adjust the picture size option on your external device or change the TV to full screen.
y Replace the remote control batteries. Make sure you install the new batteries with their polarity (+/-) correct.
y Clean the transmission window located on the top of the remote control.
y Try pointing the remote directly at the TV from 5~6 feet away.
Program the Cable/Set top box remote control to operate the TV. Refer to the Cable/Set top box user manual for the
SAMSUNG TV code.
Check the supported resolution of the TV and adjust the external device's output resolution accordingly. Refer to resolution
settings in this manual.
y You cannot select Caption in the TV menu when watching content from a device connected via HDMI or Component.
y Caption must be activated on the external device.
This smell is normal and will dissipate over time.
This function is only available for digital channels received through an Antenna/RF/Coax connection.
Remove the stand base from the TV and reassemble it.
The Channel menu is only available when you select the TV source.
If TV is in the Store Demo mode, it will reset audio and picture settings every 30 minutes. Please change from Store Demo mode
to Home Use mode using the Plug & Play procedure. Press the
Plug & Play → ENTERE.
Check the cable connections and reconnect them.
Loss of audio or video can be caused by using overly rigid or thick cables. Make sure the cables are flexible enough for long term
use. If mounting the TV to the wall, we recommend using cables with 90 degree connectors.
SOURCE
SOURCE
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button on the remote control.
button to select TV mode, go to MENU → Setup →