Trouble shooting. Lenco Portable TFT TV DVT-1922, DVT-1922

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

- 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

The remote control does

not work

Power is suddenly turned off

Picture appears slowly after switching on

No or poor color or poor picture

- 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.

- Check to see if there any object between the product and remote control

Causing obstruction.

- Are batteries installed with correct polarity(+ to +,- to -).

- Correct remote operating mode set: TV, VCR etc.?

- Install new batteries

- Is the sleep timer set.

- Check the power control settings. Power interrupted.

- No broadcast on station tuned with auto activated.

- 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.

- 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 speakes

- Adjust balance in menu option.

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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.

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.

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.

To remove dirt or dust, wipe the cabinet with a soft, dry, lint-free cloth. Please be sure not to use a wet cloth.

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.

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