GB-63
APPENDIX
Troubleshooting
The TV does not operate properly.
The remote control
does not work
- Check to see if there is any object between the TV and the remote control causing an
obstruction. Ensure you are pointing the remote control directly at the TV.
- Ensure that the batteries are installed with correct polarity (+ to +, - to -).
- Install new batteries.
Power is suddenly
turned off
- Is the sleep timer set?
- Check the power control settings. Has the Power supply been interrupted.
The video function does not work.
No picture & No sound
- Check whether the TV is switched on.
- Try another channel. The problem may be with the broadcast.
- Is the power cord inserted correctly into the mains?
- Check your antenna direction and/or location.
- Test the mains outlet by plugging another TV into the same outlet.
Picture appears slowly
after switching on
- This is normal, the image is muted during the TV startup process. Please contact your
service centre, if the picture has not appeared after five minutes.
No or poor colour
or poor picture
- Adjust Colour in menu option.
- Allow a sufficient distance between the TV and the VCR.
- Try another channel. The problem may be with the broadcast.
- Are the video cables installed properly?
- Activate 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 channel experiencing problems, tune to another station.
- Station signal is weak, reposition the antenna to receive weaker stations.
- Check for sources of possible interference.
Lines or streaks
in pictures
- Check antenna (Change the position of the antenna).
No picture when
connecting HDMI
- Check HDMI cable over version 1.3.
- If the HDMI cables don’t support HDMI version 1.3, it can cause flickers or no screen display.
In this case use the latest cables that support HDMI version 1.3.
The audio function does not work.
Picture OK & No sound
- Press the + or - button.
- Sound muted? Press MUTE button.
- Try another channel. The problem may be with the broadcast.
- Are the audio cables installed properly?
No output from one
of the speakers
- Adjust Balance in menu option.
Unusual sound from
inside the TV
- A change in ambient humidity or temperature may result in an unusual noise when the TV is
switched on or off and does not indicate a fault with the TV.
No sound when
connecting HDMI or USB
- Check HDMI cable over version 1.3.
- Check USB cable over version 2.0.
*This feature is not available for all models.
There is a problem in PC mode. (Only PC mode applied)
The signal is out of range
(Invalid format)
- Adjust resolution, horizontal frequency, or vertical frequency.
- Check the input source.
Vertical bar or stripe on
background &
Horizontal Noise &
Incorrect position
- Use Auto configure or adjust clock, phase, or H/V position. (Option)
Screen colour is unstable
or single colour
- Check the signal cable.
- Reinstall the PC video card.
