Hitachi LE42EC04A User Manual

27
TROUBLESHOOTING
Symptom Check List
General
No Power - Check the connection seating at the wall and panel.
“No Signal” appears on the screen - The TV cannot detect any signals from any input terminals.
- Check if the cable is connected correctly and rmly.
- Check if the power of any external equipment is turned on.
- Check if the input source selection is correct.
Remote control does not work - Check if the batteries are installed correctly and hold a charge. Replace with new
batteries to verify.
- Remove all obstruction between the remote control and the remote control sensor.
- Ensure there is no strong light shining on the remote control sensor.
Power suddenly turns off - Conrm that the Sleep Timer did not turn off your at panel TV.
- Check the power control setting.
Picture / Sound
No Picture, No Sound - Check if the main power of the TV is turned On.
- Check the connection of the power cord and/or other cables.
- Check the antenna connections.
- Check the signal source.
No Picture, Normal Sound - Check the picture adjustment settings. Reset to default values if necessary.
- Conrm that the connected equipment is installed and programmed propely.
- If viewing an image from a PC, conrm that the signal is compatible.
- The feature “Audio Only” could be activated at any input sources. Press any
remote control button to resume ‘Display On’.
- The feature “Background Music” could be activated at Media Player mode. Press
any remote control button to resume ‘Display On’.
- Broadcasting failure may happen.
Normal Picture, No Sound - Press the volume up button to increase volume.
- Change the sound system.
- Broadcasting failure may happen.
- Check the connection of the external equipment.
Snowy picture, Poor Sound - Check the antenna connection and direction.
- The TV station may have broadcast difculties. Try changing to another channel.
Intermittent Interference - Check if the source of interference is shield well.
- Remove those kinds of electrical devices away from the TV.
“No Signal” appears on the screen - The TV cannot detect any signals from any input terminals.
- Check if the cable is connected correctly and rmly.
- Check if the power of any external equipment is turned on.
- Check if the input source selection is correct.
Multiple images, normal sound - Check the antenna connection and direction.
- Fine tune the TV.
- Check the connection of the external equipment.
- The TV station may have broadcast difculties. try another channel.
Poor stereo sound - The TV station may have broadcast difculties. Try to change to Mono mode.
Screen appears dark - Check for any obstacles in front of the Ambient Sensor.
Brightness and color tone on the sides differ
from the center
- If images in 4:3 mode or letterbox images are displayed for long periods or for
shorter periods over several days, an after-image may remain due to burning. Watch
images in Full screen as much as possible to avoid this issue.
RGB Mode
“Unsupported Signal” appears on the screen - Check if the display resolution and frequency from your PC is a valid mode for the
TV. Refer to the recommended RGB input signal chart.
Image not centred - Adjust the “H Position” and “V Position” in the “RGB Mode Setup” menu.
Blank screen in PC mode - The TV might not be able to recognize the resolution set by the PC. Suggest to
change to the best resolution or other standard resolutions of Windows system. Set
refresh rate to be 60Hz.

Hitachi LE42EC04A Specifications

General

Brand	Hitachi
Model	LE42EC04A
Category	LCD TV
Language	English