LENCO TFT-1537, Руководство пользователя

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Trouble shooting
Before contrast the service technician, perform the following simple checks. If any program still persists,
unplug the LCD TV and calling for serving.
No sound and picture
PROBLEM POSSIBLE SOLUTION
- Check that the main plug has been connected to a wall let.
- Check that you have pressed the POWER button on the front of TV set.
- Check the picture contrast and brightness settings.
Normal picture but no
sound
- Check the volume.
- Sound muted? Press the MUTE button.
- Try another channel the problem may be with the broadcast.
- Are the audio cables installed properly.
The remote control does
not work
- Check to see if there any object between the product and remote control
Causing obstruction.
- Are batteries installed with correct po to +,- to -).
- Correct remote operating mode set: TV, VCR etc.?
- Install new batteries
Power is suddenly turned
off
- Is the sleep timer set.
- Check the power control settings. Power interrupted.
- No broadcast on station tuned with auto activated.
Picture appears slowly
after switching on
- This is normal, the image is muted during the product startup process. Please
contact your service center, if the picture has not appeared after five minutes.
No or poor color or poor
picture
- Adjust the color in menu option.
- Keep a sufficient distance between the product and the VCR.
- Try another channel, the problem may be with the broadcast.
- Are the VIDEO cables installed properly?
- Activate the any function to restore the brightness of the picture.
Horizontal/vertical bars
or picture shaking
- Check for local interference such as an electrical appliance or power tool.
Poor reception on some
channels
- Station or cable product experiencing problems. Tune to another station.
- Station signal is weak, reorient antenna to receive weaker station.
- Check for sources of possible interference.
Lines or streaks in pictures - Check the antenna(Change the direction of the antenna).
No output from one of the
speakers
- Adjust balance in menu option.
NOTE: There is a problem in VGA mode.(Only VGA mode applied)
PROBLEM POSSIBLE SOLUTION
The signal is out of range.
- Adjust resolution, horizontal frequency, or vertical frequency.
- Check it whether the signal cable is connected or loose.
- Check the input source.
Vertical bar or stripe on
back ground&Horizontal
Noise&Incorrect position.
- Work the auto configure or adjust clock, phase, or H/V position.
Screen color is unstable
or single color.
- Check the signal cable.
- Reinstall the PC video card.
Maintenance
Early malfunctions can be prevented. Careful and regular cleaning can extend the amount of time you will have
your new TV. Be sure to turn the power off and unplug the power cord before you begin any cleaning.
Cleaning the screen
1. Here ’ s a great way to keep the dust off your screen for a while. Wet a soft cloth in a mixture of lukewarm
water and a little fabric softener or dish washing detergent. Wring the cloth until it ’s almost dry, and then
used it to wipe the s- creen.
2. Make sure the excess water is off the screen, and then let it air-dry before you turn on your TV.
Cleaning the cabinet
To remove dirt or dust, wipe the cabinet with a soft, dry, lint-free cloth. Please be sure not to use a wet cloth.
Extended Absence
If you expect to leave your TV dormant for a long time(such as a vacation), it ’s a good idea to
unplug the power cord to protect against possible damage from lightning or power surges.