Troubleshooting - Samsung PN50B850 User Manual

i Appendix J
Troubleshooting
Before contacting the Bamsung after=sales service, perform the following simple checks.
If you cannot solve the problem using the instructions below, note the model and serial number of the television and contact
your local dealer.
Problem
Poor picture quality.
No sound or sound is too low at
maximum VOlume.
Picture rolts 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.
Pixels are visible on the screen.
The "Resets all settings to the
default values" message appears.
Possible Solution
Try another channel.
Adjust the antenna.
Check all wire connections.
"r,y 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 AMUTE 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.
Press the TV button to put your remote control in the TV mode.
Make sure the remote has batteries.
Check that the "+" and "-" ends of the batteries are inserted correctly.
Please check the digital signal strength and antenna input.
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 the 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
nformation 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.
f Screen Fit 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.
There may be few bright or dark pixels on the screen. These pixels will have no impact on the
oerformance of the product.
This appears when you press and hold the EXIT button for a while. The product settings are
reset to the factory defaults.