Panasonic TC20LB30 TC20LB30 User Guide - Page 34

Troubleshooting If there is a problem with your TV please refer to the table below to determine the symptoms, then carry out the suggested check. If this does not solve the problem, please contact your local Panasonic dealer, quoting the model number and serial number (both found on the rear of the TV). Symptoms Picture Sound Checks Snowy Picture Noisy Sound Antenna location, direction or connection. Multiple Image Interference Normal Picture No Picture No Colour Normal Sound Noisy Sound No Sound No Sound Normal Sound Aerial location, direction or connection. Electrical appliances Cars / Motorcycles Fluorescent lights Volume level Sound mute switched on. TV set to Video Input mode. Not plugged into AC outlet. Not switched on. Picture / Sound controls set at minimum levels. Check if in Standby mode. Color controls set at minimum levels. Weak signal. Poor or Distorted Picture Weak or No Sound Normal Picture Weak or No Sound Cannot operate with the remote control. The main unit is hot. There may be red spots, blue spots, green spots and black spots on the screen. Retune Channel (s). Sound reception may have deteriorated. Switch STEREO mode to Off until reception improves. The battery is exhausted. The battery's polarity is wrong. The remote control sensor is exposed to strong light of a fluorescent lamp, etc. The main unit radiates heat and some of the parts may become hot. This is not a problem for performance or quality. Set up at a location with good ventilation. Do not cover the ventilation holes of the TV with a tablecloth etc., and do not place on top of other equipment. This is a characteristic of liquid crystal panels and is not a problem. The liquid crystal panel is built with very high precision technology giving you fine picture details. Occasionally, a few non-active pixels may appear on the screen as a fixed point of red, blue, green, or black. Please note this does not affect the performance of your LCD. Photo Viewer Cannot read the content of the card. PC card cannot be ejected. Poor picture quality. Picture takes a long time to display. Not compatible format. Must be formatted with FAT 12 or FAT 16. The extension is not "JPG". The folders not under DCF standard. Push the card all the way in, and eject. If the main image cannot be read (the file is partially corrupted), the Photo viewer will read the thumbnail. Please confirm the format of the image. There are lots of images or the file size is large. 34