Troubleshooting Guide - Technika 15.4-310 User Manual

TROUBLESHOOTING GUIDE

To assist in locating possible faults use the help guide below.
No picture, no sound
No Picture
No sound
Poor sound
No picture on some
channels
No colour on some
channels (black &
white)
Spots on some or all
channels
Controls not working
No response to
remote control.
If none of the suggestions seem to work, try switching your TV off and then on again. If this does
not work, contact either your supplier or a qualifi ed repair technician. Never attempt to repair the
TV yourself.
Contact the TESCO electrical help line on 0845 456 6767.
Note: The TV must only be repaired by a qualifi ed registered service person. Never attempt
to remove the back cover as the TV has dangerous voltages inside that may cause
fatality or fi re.
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TROUBLESHOOTING
Check that TV is correctly plugged in.
Check the TV is connected to a suitable power source.
Check the electrical supply is turned on.
Ensure that the TV is powered on.
Check that the cables are fi tted securely.
Ensure the aerial and/or external sources are connected.
Press the SOURCE button to change the source.
Turn the TV on or off.
Try a disc that you know plays.
Press MUTE button and check if Mute mode is set.
Switch to another channel and see if the same problem occurs.
Press V+ button to see if the problem can be solved.
Check if sound system is correct. Refer to user's manual for adjustment.
Check correct channel is selected.
Adjust the antenna.
Check if the same problem exists on other channels.
Ensure the correct picture settings are selected.
Check that the antenna is correctly connected.
Check that the antenna is in good condition.
Disconnect the TV from power supply, wait 10 seconds, reconnect the TV
to the power supply.
If the problem still exists, contact authorized after-sales service for
technical assistance.
Remote control not aimed correctly.
Front panel remote control sensor obstructed.
Remote control batteries inserted incorrectly.
Remote control batteries exhausted.
IDTV
07/07/2009 16:52:05 07/07/2009 16:52:05