Maintenance; Troubleshooting - Haier HLTD7 Instruction Manual

MAINTENANCE

1. Be sure to press POWER to set the player to the standby mode and disconnect the AC
adaptor.
2. Wipe the player with a dry, soft cloth.
3. If the surfaces are extremely dirty ,wipe clean with a cloth which has been dipped in a weak
soap-and-water solution and wrung out thoroughly, and then wipe again with a dry cloth.
4. Never use alcohol, benzine, thinner, cleaning fluid or other chemicals. And do not use
compressed air to remove dust
GENERAL TROUBLESHOOTING
Check the following points before assuming malfunctions of the TV set:
Phenomenon
No picture & sound
No picture
No sound
Poor reception
Dark or blurred picture
Unclear or unstable
picture
Picture moves up &
down,blurs or folds
over
Interfered snow
picture
No color
Improper connection of AC adaptor or the battery power box is
not enough.
TV reception channel is not right and try to reset the unit.
Relocate the
TV set to the place where reception is better.
Volume is too low; Mute function is switched on.
The headphone has been plugged in or the signal is too weak.
TV antenna is not correctly adjusted or TV channel is not right.
The bright & contrast is too low. The battery voltage is too low.
TV antenna is not properly adjusted or in too weak signal
reception area.
TV antenna is not rightly adjusted.
The signal reception is too weak or caused by signal reflection
from the buildings nearby or mountains.
The signal is interfered by car's engine, railway, high tension
wires, neon signs or radio frequency.
Color or color system is not set properly.
29
Reasons