Samsung T27B750ND User Manual page 139

Other Information
Issues
There is a dotted line on the
edge of the screen.
The picture is black and white. If you are using an AV composite input, connect the video cable (yellow) to the Green
When changing channels, the
picture freezes or is distorted
or delayed.
Sound
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.
RF (Cable / Antenna) Connection
The TV is not receiving all
channels.
No caption on digital
channels.
The picture is distorted: macro
block error, small block, dots,
pixelization.
Solutions and Explanations
If the Picture Size is set to
Change the cable/satellite box resolution.
jack of Component on the product
If the product is connected to a cable box, try to reset the box. (Disconnect and then
reconnect the AC cord and wait until the cable box reboots. It may take up to 20
minutes.)
Set the output resolution of the cable box to 1080i or 720p.
First, perform the Sound Test
→ →
(Go to Menu Support
If the audio is OK, the sound problem may caused by the source or signal.
Please check the volume of the device (Cable/Sat Box, DVD, Blu-ray etc.) connected
to your product.
Set the Speaker Select option to
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 to HDMI if you have the box
connected to your product using an HDMI cable.)
If you are using a DVI to HDMI cable, a separate audio cable is required.
If your product has a headphone jack, make sure there is nothing plugged into it.
Reboot the connected device by disconnecting, and then reconnecting device's
power cable.
Check cable connections. Make sure a video cable is not connected to an audio
input.
For antenna or cable connections, check the signal information. A low signal level may
cause sound distortion.
Perform the Sound Test feature.
Make sure the coaxial cable is connected securely.
Run Auto Program to add available channels to the channel list. Go to
Auto Program then select
type. There are 3 options, STD,
Verify the antenna is positioned correctly.
Check the Caption Setup menu. Try changing
Some channels may not have caption data.
The compression of video contents may cause picture distortion, especially with fast
moving pictures such as sports and action movies.
A weak signal can cause picture distortion. This is not a product problem.
English - 139
Screen Fit, change it to 16:9.
to determine if your product audio is operating properly.
→
Self Diagnosis Sound
TV Speaker in the Sound
(Menu → Support →
Cable and make sure to select the correct Cable TV signal
HRC and IRC. Most cable systems use STD.
Caption Mode Service1
Test).
menu.
Self Diagnosis → Sound
Channel
to CC1.
Test)
→