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Troubleshooting - Hitachi LE42EC05AUS User Manual

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Troubleshooting

Before calling service personnel, please check the following troubleshooting guide. If any problem still
persists, unplug the TV set and call for servicing.
Symptom
No picture, no sound
Normal picture, no sound
Poor colour or no colour, normal sound
Multiple images, normal sound
Snowy picture, poor sound
Intermittent interference
Poor stereo sound
Remote control does not work
HITACHI logo appears on the screen
HITACHI logo or "Unsupported Signal"
appears on the screen (RGB mode only)
Image not centered (RGB mode only)
34
Check List
Check if the main power of the TV is turned on.
Check the connection of the power cord and/or other cables.
Check the volume level.
Check if the
button has been pressed or not.
Check the connection of the external equipment.
Check the value level of "Brightness", "Contrast" and
"Colour" in Picture menu.
Check the antenna connection and direction.
Fine tuning the TV.
Check the connection of the external equipment.
The TV station may have broadcast difficulties. Try another
channel.
Check the antenna connection and direction.
The TV station may have broadcast difficulties. Try another
channel.
Check if the source of interference is shield well.
Remove those kinds of electrical devices away from the TV.
The TV station may have broadcast difficulties. Try to
change to mono mode.
Check if the batteries are installed correctly.
The batteries may be exhausted. Replace them with new
ones.
Remove all obstruction between the remote control and the
remote control sensor.
Ensure there is no strong light shining on the remote control
sensor.
The TV cannot detect any signals from any input terminals.
Check if the cable is connected correctly and firmly.
Check if the power of any external equipment is turned on.
Check if the input source selection is correct.
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
Adjust the "H Position" and "V Position" in the RGB Mode
Setup menu.

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