ProScan 19LA20Q Instruction Manual page 25

Check your external input connection cable.
A Menu cannot be selected.
Check if the menu is grayed out, and if it is, that menu cannot be selected.
Screen
• Poor picture
Is the power cord unplugged? Make sure the power cable is plugged in correctly, and then press the power of the remote control.
• Black picture
Check if external input mode is selected
Press [external input selection] and select TV
• Lined and flickering picture.
Try to finely adjust the channel.
Are there any TV waves flowing or cordless radio transmitting stations? Avoid using cordless phones, hairdryers or electrical drills.
• Disfunctioning channels.
Check if the channel has been selected correctly.
Try changing the position of the antenna.
• Picture with white and black dots.
Check if your antenna is damaged or any connections are broken.
Replace your antenna.
• Only certain channels are in black and white
Check if the program is being broadcast in black and white.
Try to check the hue or contrast.
• The Sub-Screen is black.
Check the power of the external device connected to the TV.
If the power cord is disconnected, the screen will be black.
• Automatic turn-on is inactive.
When turning off your TV, you need to use the remote control or press the power button on the TV. (If you pull the plug on the TV, the settings will be
deleted.)
Sound
• Poor quality sound
Check if the program is in stereo. Stereo may not work well in areas with bad reception. Try using Mono for these areas.
• Sound is malfunctioning while using a cable.
Check your sound connecting cable.
Check if other channels also have no sound
• I can see images, but there is no sound.
Press the volume buttons to increase the sound.
Try watching a video (if the video has sound, check your cable company). If there is no problem with the cable receiver, then call our customer
service.
Check if the internal speakers are <OFF>.
• There is a malfunction after the volume is increased
Try to adjust the external devices connected to the TV (Digital channel receiver, DTV, DVD, Cable channel receiver, video)
If you can adjust your sound, try to balance the volume of the TV and the external device.
24