Chapter 10

AP P E N D I X

If the TV seems to have a problem, first try this list of possible problems and solutions. If none of these troubleshooting tips apply, call your nearest Samsung service center.

Identifying Problems

Problem

Possible Solution

Poor picture

Try another channel.

 

Adjust the antenna.

 

Check all wire connections.

Poor sound quality.

Try another channel.

 

Adjust the antenna.

No picture or sound.

Try another channel.

 

Press the SOURCE button.

 

Make sure the TV is plugged in.

 

Check the antenna connections.

No sound or sound is too low

First, check the volume of units connected to your TV

at maximum volume.

(digital broadcasting receiver, DVD, cable

 

broadcasting receiver, VCR, etc.). Then, adjust the TV

 

volume accordingly.

Picture rolls vertically.

Check all wire connections.

The TV operates erratically.

Unplug the TV for 30 seconds, then try operating it

 

again.

The TV won’t turn on.

Make sure the wall outlet is working.

Remote control malfunctions

Replace the remote control batteries.

 

Clean the upper edge of the remote control

 

(transmission window).

 

Check the battery terminals.

“Check signal cable”

Ensure that the signal cable is firmly connected to the

message.

PC sources.

“Not Supported Mode”

Check the maximum resolution and the frequency of

message.

the Video Adapter.

 

Compare these values with the data in the Display

 

Modes.

 

 

Digital broadcasting screen

Please check the digital signal strength and input

problem.

antenna.

 

 

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Samsung LN-R377D manual Identifying Problems, Problem Possible Solution