Samsung COLOR TELEVISION Troubleshooting guide

Troubleshooting Guide
Poor or Distorted Picture
Picture is distorted.
(Macroblock, small block, dots,
- RF (Antenna) connection: Check the quality of the HD channels in the
channel lineup.
- Cable box connection or other devices.
. Verify that the source device supports HD.
. Use HDMI or Component cables for connection.
. Check quality of the HD channels in the channel lineup.
. Adjust output picture resolution setting to 720p or 1080i.
* Note: Many HD programs are upscaled from SD programs by
broadcasters, reducing picture quality.
- Compression of video contents may cause picture distortion especially on
fast moving pictures such as sports or action movies.
- Low signal level can cause picture distortion. This is not a TV issue.
Wrong or missing color with
Component connection.
- Make sure the component cables are connected to the correct jacks.
Incorrect or loose connections may cause color problems or blank screen.
Poor color or brightness.
- Adjust the picture settings in the picture menu.
- Adjust the Energy Saving option by going to Menu>Picture>Eco
Solution>Energy Saving. (2010 model only)
- Try picture reset to view the default picture setting. Go to
"Menu>Picture>Picture Reset.
Dotted line on the edge of the
- If picture size is set to Screen Fit, change setting to 16:9.
- If viewing from an external device, try changing the output video
resolutions from the device.
Picture is black and white with
AV(Composite)input only.
- Connect the video (yellow) cable to the green jack of the component1
Poor or distorted picture when
changing channels with external
- Fix the output video resolution of the set-top box to 720p or 1080i for all
channels. This can be done from the set-top box menu.
- Try resetting your external device (Unplug the AC power cord, then plug it
back in. This can take up to 20 minutes depending on device).
Picture setting is changed after 30
- If TV is in the Store Demo mode, it will reset picture and sound settings
every 30 minutes or whenever TV is turned off. Please change from Store
Demo mode to Home Use mode in Plug & Play by going to
Menu>Setup>Plug & Play.
Poor picture quality compared to
what was seen in the store.
Distorted Sound or No Sound
There is either no sound or sound
is too low at maximum volume
- Check the volume setting on the external device (cable/satellite set-top
box, DVD player, BD player, etc.) that is connected to the TV. Then,
adjust the TV volume accordingly.
- If there is no sound on an analog channel, try changing the MTS setting.
Picture is okay, but there is no
sound from the TV speakers.
- Verify that "Speaker Select" option is set to "TV Speaker" in
Menu>Sound>Speaker Select.
- Make sure that the audio cables from the external device are connected
to the correct audio input jacks on the TV.
- Check connected device's audio output connection. For example, you
may need to change your cable box's audio option to "HDMI" when you are
using HDMI connection.
- If using a DVI-to-HDMI cable for connection, separate audio cables are
needed. DVI-to-HDMI cables do not provide audio.
- Try rebooting the connected device by unplugging and plugging its power
cable from the power socket.
- Verify that a headphone is not connected to the TV's headphone jack.
* Note: Headphone is not available on all models.
Distorted Sound or No Sound
Distorted noise from speakers with
HDMI, Component, AV connection.
- Check cable connection. Make sure that a video cable is not connected
to an audio input. For example, component cables have a red audio
connection and a red video connection so make sure that the two red
connections are connected to the correct A/V outputs and inputs.
- Connect another device to the same input on your TV using the same
connection cables. If there is also noise with this device, replace the
Distorted noise from speakers with
RF (Antenna) connection.
- Change to another channel. If the noise stops, the problem is cause by
the broadcast, not the TV.
- Check the signal strength and SNR of the digital channel by going to
"Menu>Support>Self Diagnosis>Signal Information". Low signal strength
can cause sound distortion.(Activates at digital channel only)
Background audio is loud and
voices are low.
- Turn off sound effects like SRS and Virtual Surround. Go to
- Try different sound modes or perform sound reset.
Purple/green rolling horizontal bars
with a buzzing noise from the TV
- Remove the left and right audio connections from the set-top box. If
buzzing noise stops, this indicates that the set-top box has a grounding
- Replace component video cable connection with HDMI cable connection.
No Picture, No Video
1. TV won't turn on
. Make sure the AC power cord is plugged in securely to the wall outlet and
the TV.
. Make sure the wall outlet is working.
Securely insert the power cord
2. TV turns off automatically
. Try pressing the Power button on the TV to make sure the remote is
working properly
If the TV turns on, it may be caused by Remote Control.
To fix the Remote problem, refer to "Remote control does not work"
. Check if the Sleep Timer is set to On in the Setup menu
. If connected the TV to your PC, check your PC power settings
. Make sure the AC power cord is plugged in securely to the wall outlet and
the TV.
. If there is no signal for about 10 ~ 15 minutes with Antenna/Cable
connection, the TV will turn off.
3. No picture/Video
. Check cable connections.(remove and reconnect all cables of TV and
external devices)
. Set your external device's (Cable/Sat Box, DVD, Blu-ray etc) video output
to match the connections to the TV input. For example, external device's
output : HDMI , TV's input : HDMI
. Make sure your connected device is powered on
. Make sure to select the TV's correct source by pressing the SOURCE
button on the TV remote
. Reboot the connected device by reconnecting the device's power cable
RF(Coaxial) Connection or PC Issues
TV can not receive all channels.
- Make sure that the antenna cable is connected securely.
- For RF (Antenna) connection, verify that the antenna is properly
positioned for optimal signal.
- Try Auto Program to add available channels to the channel list by going to
"Menu>Channel>Auto Program". For Cable Auto Program, select the
cable system (STD, HRC, or IRC) that is used by your cable provider.
No closed captions on digital
- Check closed caption settings by going to Menu>Setup>Caption. If
there are no captions in Default mode, try CC1 and other caption modes.
* Note: Some channels do not have any closed captions.
Digital channel has intermittent
loss of audio or video.
- Check cable connections and reconnect.
- Check the channel's signal level by going to Menu>Support>Self
Diagnosis>Signal Information. A low signal and/or SNR level can cause
picture/audio distortion. This is a signal issue.
- Make sure the cables are flexible enough for long-term use. Problems
may occur using overly rigid or thick cables.
Picture breaks up or freezes on a
digital channel.
- Check the channel's signal level by going to Menu>Support>Self
Diagnosis>Signal Information. A low signal and/or SNR level can cause
picture distortion. This is a signal issue.
* Note: There may be picture distortion on fast-moving pictures due to
excessive video compression used by broadcasters.
Picture/audio distortion on analog
- Adjust Fine Tune settings by going to Menu>Channel>Fine Tune.
- If using RF (Antenna) connection, try adjusting the direction and location
of the antenna.
No video in PC mode.
- Confirm correct connection from your PC to the TV. If an HDMI/DVI
cable is used, make sure the cable is connected to the HDMI1 jack.
- Confirm that the PC's output resolution is supported by the TV.
- Confirm that the PC is not in standby or hibernation mode.
PC is shown on the Source List
even when it is not connected.
- This is normal operation. PC is always shown on the Source List.
Video is okay, but there is no audio
when PC is connected via HDMI
- Check the audio output settings on your PC.
- If using a DVI-to-HDMI cable for connection, separate audio cables are
needed. DVI-to-HDMI cables do not provide audio.
Other Issues
Picture is not shown in full screen.
- Black bars on the left and right sides will be shown on HD channels when
displaying upscaled SD (4:3) content.
- Black bars on top and bottom of the screen will be shown on movies that
have aspect ratios different from your TV.
- Adjust the picture size on your external device or TV to 16:9.
Remote control does not work.
- Replace the remote control batteries with correct polarity (+ -).
- Clean the transmission window located at the top of the remote.
- Try pointing the remote directly at the TV from 5~6 feet away.
TV can not be controlled using the
cable/satellite box's remote control.
- Program the Cable/Satellite box remote control to operate the TV. Refer
to Cable/Satellite user's manual for Samsung TV code.
"Mode Not Supported" message is
- Adjust the external device's output resolution to one that is supported by
the TV. Refer to resolution settings in the manual.
* Note: Sometimes channels are broadcast in unsupported resolutions.
Channel menu is unavailable.
- Channel menu is only available when TV is selected as the source.
Closed Caption in TV menu is
- Closed Caption can not be selected in the TV menu in HDMI or
Component source mode. Closed Caption must be activated on the
external device's menu.
Anynet+ does not work with
external device.
- Verify that source device supports Anynet+ (HDMI-CEC).
* Note: Anynet+ is not completely compatible with source devices from
other manufacturers.
Light Effect on the front bezel can
not be turned off.
- Adjust the Light Effect option by going to Menu>Setup>General>Light
Effect. Options are: Off, In Standby, Watching TV and Always.
* Note: Light Effect is not available on all models.
TV cannot connect to wireless
- Use a Samsung Wireless LAN Adapter, which is sold separately, and a
wireless router.
- Set Network Type to "Wireless" by going to
Menu>Setup>Network>Network Type.
- Set up wireless network settings by going to
Menu>Setup>Network>Network Setup.
- Perform Network Test by going to Menu>Setup>Network>Network Test.
Network Test must pass in order to use wireless network. If it fails, please
check wireless network setup or router configuration.
* Note: Wireless connectivity is not available on all models.
[Side Panel]
[Rear Panel]
To fully enjoy your new TV, you’ll need to make settings on your cable/satellite box
that match your TV. ※Settings will vary depending on your Cable provider and box.