Samsung Syncmaster T27a550 User Manual

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English
Issues Solutions and Explanations
Color is wrong or missing.
 
•If you’re using a component connection, make sure the component 
cables are connected to the correct jacks. Incorrect or loose connections 
may cause color problems or a blank screen.
There is poor color or 
brightness.
 
•Adjust the Picture options in the TV menu. (Go to Picture Mode / Color 
/ Brightness / Sharpness) 
 
•Adjust the Energy Saving option in the TV menu. (Go to MENU – 
System – Eco Solution – Energy Saving)...

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English
Issues Solutions and Explanations
There is a dotted line on the 
edge of the screen.
 
•If the picture size is set to Screen Fit, change it to 16:9.
 
•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 input 1 on the TV.
When changing channels, the 
picture freezes or is distorted or 
delayed.
 
•If connected to a cable box, try to reset the box. (Disconnect and...

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English
Issues Solutions and Explanations
Sound Problem First, perform a Sound Test to confirm that your TV audio is properly 
operating. (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 sound 
is too low at maximum volume.
 
•Please check the volume of the device (Cable/Sat Box, DVD, Blu-ray etc)\
 
connected to your TV.
   

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English
Issues Solutions and Explanations
The picture is good but there is 
no sound.
 
•Set the Speaker Select option to TV Speaker in the Sound menu.
 
•If you are using an external device, make sure the audio cables are 
connected to the correct audio input jacks on the TV.
 
•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 when you have a HDMI connected to your TV).
 
•If you are using a DVI to HDMI...

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English
Issues Solutions and Explanations
The speakers are making an 
inappropriate noise.
 
•Check the cable connections. Make sure a video cable is not connected 
to an audio input. 
 
•For antenna or Cable connections, check the signal strength. Low signal 
level may cause sound distortion.
 
•Perform the Sound Test as explained above.
No Picture, No Video
The TV turns off automatically.
 
•Ensure the Sleep Timer is set to Off in the System menu.
 
•If your PC is connected to the TV, check your PC...

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English
Issues Solutions and Explanations
RF(Cable/Antenna) Connection
The TV is not receiving all 
channels.
 
•Make sure the coaxial cable is connected securely.
 
•Please try Auto Program to add available channels to the channel list. Go 
to MENU - Channel - Auto Program then select Auto and make sure 
the correct Cable TV signal type is set in the menu. There are 3 options 
(STD, HRC and IRC) 
 
•Verify the Antenna is positioned correctly.
No Caption on digital channels.
 
•Check Caption Setup...

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English
Issues Solutions and Explanations
PC Connection
A “Mode not supported' 
message is shown.” message 
appears.
 
•Set your PC’s output resolution so it matches the resolutions supported 
by the TV.
“PC” is always shown on the 
source list, even if a PC is not 
connected.
 
•This is normal “PC” is always shown on the source list, regardless of 
whether a PC is connected.
The video is OK but there is no 
audio.
 
•If you are using an HDMI connection, check the audio output setting on 
your...

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English
Issues Solutions and Explanations
Others
Purple/green rolling horizontal 
bars and buzzing noise from the 
TV speakers with Component 
cable connection.
 
•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.
The picture won’t display in full 
screen.
 
•HD channels will have black bars on either side of the screen when 
displaying up...

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English
Issues Solutions and Explanations
A “Mode not supported' 
message is shown.” message 
appears.
 
•Check the supported resolution of the TV, and adjust the external 
device’s output resolution accordingly. Refer to the resolution settings in 
the user manual.
Caption on TV menu is greyed 
out.
 
•You cannot select the Caption menu if you have selected a source 
connected to the TV via HDMI or Component.
 
•The external device’s Capton function must also be activated.
There is a plastic...

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English
Issues Solutions and Explanations
The TV Signal Information 
is unavailable in the Self 
Diagnostic Test menu.
 
•This function is only available with digital channels from an Antenna / RF/
Coax connection.
The TV is tilted to the side.
 
•Remove the base stand from the TV and reassemble it.
The channel menu is greyed out 
(unavailable).
 
•The Channel menu is only available when the TV source is selected.
Your settings are lost after 30 
minutes or every time the TV is 
turned off.
 
•If the...