Other Information

Issues

Solutions and Explanations

There is a dotted line on the

If the Picture Size is set to Screen Fit, change it to 16:9.

edge of the screen.

Change the cable/satellite box resolution.

 

The picture is black and white.

If you are using an AV composite input, connect the video cable (yellow) to the Green

 

jack of Component on the product

When changing channels, the

If the product is connected to a cable box, try to reset the box. (Disconnect and then

picture freezes or is distorted

reconnect the AC cord and wait until the cable box reboots. It may take up to 20

or delayed.

minutes.)

 

Set the output resolution of the cable box to 1080i or 720p.

Sound

First, perform the Sound Test to determine if your product audio is operating properly.

 

(Go to Menu Support Self Diagnosis Sound Test).

 

If the audio is OK, the sound problem may caused by the source or signal.

There is no sound or the

Please check the volume of the device (Cable/Sat Box, DVD, Blu-ray etc.) connected

sound is too low at maximum

to your product.

volume.

 

The picture is good but there

Set the Speaker Select option to TV Speaker in the Sound menu.

is no sound.

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.

The speakers are making an

Check cable connections. Make sure a video cable is not connected to an audio

inappropriate noise.

input.

 

For aerial or cable connections, check the signal information. A low signal level may

 

cause sound distortion.

 

Perform the Sound Test feature. (Menu Support Self Diagnosis Sound Test)

RF (Cable / Aerial) Connection

 

The product is not receiving all

Make sure the coaxial cable is connected securely.

channels.

Please try Setup to add available channels to the channel list. Go to Menu System

 

 

Setup and wait for all available channels to be

 

stored.

 

Verify the aerial is positioned correctly.

The picture is distorted: macro

The compression of video contents may cause picture distortion, especially with fast

block error, small block, dots,

moving pictures such as sports and action movies.

pixelization.

A weak signal can cause picture distortion. This is not a product problem.

 

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Samsung LT27B750EXH/CI manual Go to Menu → Support → Self Diagnosis → Sound Test, Verify the aerial is positioned correctly

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