Troubleshooting - Samsung PN42A400C2D Quick Setup Manual

Troubleshooting

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 Samsung customer service at 1-800-SAMSUNG.
Problem
Poor picture quality.
Poor sound quality.
No picture or sound.
No sound or sound is too low at
maximum volume.
Picture rolls vertically.
The TV operates erratically.
The TV won't turn on.
Remote control malfunctions
Digital broadcasting screen problem.
The image is too light or too dark.
The image is too large or too small.
The visual qualities of digital
channels vary.
Screen is black and power indicator
light blinks steadily.
Although the TV caption shows HD,
the visual quality is not satisfactory.
A distorted picture appears in the
corner of the screen.
A Strange sound is heard.
The "Resets all settings to the default
values" message appears.
➢ This Plasma panel uses a panel consisting of sub pixels (2,359,296 (42inch)/3,147,264 (50inch)) which require sophisticated
technology to produce. However, there may be few bright or dark pixels on the screen. These pixels will have no impact on
the performance of the product.
- Try another channel.
- Adjust the antenna.
- Check all wire connections.
- Try another channel.
- Adjust the antenna.
- Try another channel.
- Press the SOURCE button.
- Make sure the TV is plugged in.
- Check the antenna connections.
- Make sure the MUTE button is off.
First, check the volume of units connected to your TV (digital broadcasting receiver,
DVD, cable broadcasting receiver, VCR, etc.). Then, adjust the TV volume accordingly.
Check all connections.
Unplug the TV for 30 seconds, then try operating it again.
Make sure the wall outlet is working.
- Replace the remote control batteries.
- Clean the upper edge of the remote control(transmission window).
- Check the battery terminals.
- Make sure the remote has batteries.
- Check that the "+" and "-" ends of the batteries are inserted correctly.
Please check the digital signal strength and input antenna.
- Adjust the Brightness and Contrast.
- Adjust the Fine tuning.
Adjust the Size settings.
The visual qualities of digital channels may vary depending on the original production
method(analog or digital).
- If the original production method is digital: High visual quality.
- If the original production method is analog: The digital program displayed on the
screen is originally an analog program which has been converted to digital.
The visual quality is of an SD(Standard Definition) grade.
On your computer check; Power and Signal Cable.
The TV is using its power management system.
Move the computer's mouse or press any key on the keyboard.
On your equipment check (STB, DVD, etc) ; Power and Signal Cable.
The TV is using its power management system.
Press the Source button on the panel or remote control.
Turn the TV off and on.
The HD(High Definition) caption that appears when switching channels or when
pressing the Information button on the remote control means the selected channel is
a digital channel. If the broadcasting station converts an analog signal into digital and
transmits the signal, the visual quality may not be perfect.
If Just Scan is selected in some external devices, a distorted picture may appear in
the corner of the screen. This symptom is caused by external devices, not the TV.
This is caused by minor systems operation and is not a defect.
This appears when you press and hold the EXIT button for a while. The product
settings are reset to the factory defaults.
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Possible Solution