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npg NL-2970HHB Manual De Usuario página 25

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PROBLEM
POSSIBLE SOLUTION
4. Check whether the main plughas been connected to a wall let.
No Picture and Sound
5. Check whether you have pressed the POWER button on the front of TV set.
6. Check the picture contrast and brightness settings
5. Check the volume
6. Sound muted? Press the MUTE button
Normal picture but no sound
7. Try another channel,the problem may be with the broadcast.
8. Are the audio cables installed properly?
5. Check to see if there any object between the product and remote control
Causing obstruction.
The remote control does not work
6. Are batteries installed with correct polarity(+ to +,_ to _)?
7. Correct remote operating mode set:TV,VCR etc.?
8. Install new batteries
4. Is the sleep timer set?
Power is suddenly turned off
5. Check the power control setting.Power interrupted.
6. No broadcast on station tuned with auto activated
This is normal,the image is muted during the product startup process.Please
Picture appears slowly after switching on
contact your service center,if the picture has not appeared after five minutes
6. Adjust the color in menu option
7. Keep a sufficient distance between the product and the VCR.
No or poor color or poor picture
8. Try another channel,the problem may be with the broadcast
9. Are the VIDEO cables installed properly?
10. Activate the any function to restore the bringtness of the picture
Horizontal/vertical bars or picture shaking
Check for local interference such as an electrical appliance or power tool.
All manuals and user guides at all-guides.com
PROBLEM
POSSIBLE SOLUTION
4. Station or cable product experiencing problems.Tune to another station.
5. Station signal is weak,reorient anternna to receive weaker station.
Poor reception on some channels
6. 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
3. adjust resolution,horizontal frequency,or vertical frequency.
The signal is out of range
4. Check it whether the signal cable is connected or loose.
Vertical bar or stripe on back ground &
Work the auto configure or adjust clock,phase,or H/V position
Horizontal Noise & Incorrect position
3. Check the signal cable.
Screen color is unstable or single color
4. Reinstall the PC videio card

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