Insignia NS-P501Q-10A User Manual (English) - Page 44

NS-P42Q-P501Q-P502Q-10A_09-0100_MAN_V1_English.book Page 40 Friday, March 20, 2009 3:11 PM Maintaining • Do not use your TV in areas that are too hot or too cold, because the cabinet may warp or the screen may malfunction. Your TV works best in temperatures that are comfortable to you. • Do not place your TV in direct sunlight or near a heat source. Cleaning the TV cabinet Clean the cabinet with a soft, lint-free cloth. Do not use the cleaning cloth that came with your TV to clean the cabinet. If the cabinet is especially dirty, moisten a soft, lint-free cloth in a weak detergent solution, squeeze the excess moisture from the cloth, then wipe the screen or cabinet with the cloth. Use a clean cloth to dry the screen or cabinet. Cleaning the TV screen Clean the screen with the cleaning cloth or a soft, lint-free cloth. Do not use the cleaning cloth to clean other parts of your TV. Troubleshooting Warning Do not try to repair your TV yourself. Refer all service to a qualified service technician. Problem Poor picture quality. Poor sound quality. No picture or sound. No sound or sound is too low at maximum volume. Picture rolls vertically. Your TV operates erratically. Your TV will not turn on. Solution • Try another channel. • Adjust the antenna. • Check all wire connections. • Try another channel. • Adjust the antenna. • Try another channel. • Press INPUT to make sure the correct video input source is selected. For more information, see "Selecting the video input source" on page 16. • Make sure that the power cord is connected to your TV and a surge protector or working power outlet. If you use a surge protector, make sure that it is turned on. • Check the antenna connections. • Press MUTE to make sure that the sound is not muted. • First, check the volume of devices connected to your TV (such as the cable or satellite TV box, DVD player, or VCR). Then, adjust the TV volume accordingly. • Check all connections. • Turn off the surge protector or unplug the power cord for 30 seconds, then turn on the surge protector or plug the power cord back in and turn on your TV. • Test the power outlet to make sure that it is working. Problem Solution Remote control does not work. • Make sure that there are no obstacles between the remote control and the remote control sensor on the front of your TV. • Make sure that batteries are inserted into the remote. • Make sure that the + and - symbols on the batteries match the + and - symbols inside the battery compartment. • Clean the upper edge of the remote control (transmission window). • Check the battery terminals. • Replace the remote control batteries. Digital broadcasting screen problem. • Check the digital signal strength. • Adjust the antenna. The image is too light or too dark. • Adjust the brightness and contrast. • Adjust the fine tuning. The image is too large or too small. • Adjust the Picture Size settings. For more information, see "Adjusting the TV picture" on page 18. • Press ZOOM to select a different aspect ratio. The visual qualities of digital channels vary. • The visual qualities of digital channels may vary depending on the original production method (analog or digital). If the original production method is digital, the visual quality is high. If the original production method is analog, the program has been converted to digital and visual quality may be lower. • The visual quality is of an SD (standard definition) grade. Screen is black and power indicator light blinks steadily. If your TV is connected to a computer: • Your TV may be in power-saving mode. Move the mouse or press a keyboard key. • Check the cable connections. If your TV is connected to an external device: • Your TV may be in power-saving mode. Press INPUT. • Turn your TV off, then on again. • Check the cable connections. The TV caption shows HD, but the visual quality is poor. • The HD (high definition) caption that appears when switching channels or when pressing DISPLAY 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. A distorted picture appears in the corner of the screen. • If Screen Fit is selected in some external devices, a distorted picture may appear in a corner of the screen. This symptom is caused by external devices, not the TV. A strange sound is heard. • This is caused by minor systems operation and is not a defect. Pixels are visible on the screen. • There may be few bright or dark pixels on the screen. These pixels have no impact on the performance of the product. The Resets all settings to the default values message appears. • This appears when you press and hold EXIT for a several seconds. The product settings are reset to the factory defaults. 40 www.insigniaproducts.com