APPENDIX
TROUBLESHOOTING CHECKLIST
The audio function does not work.
Picture OK & No sound
No output from one
of the speakers
Unusual sound from
inside
the set
■Press the VOL D / E button.
■Sound muted? Press MUTE button.
■Try another programme. The problem may be with the broadcast.
■Are the audio cables installed properly?
■Adjust Balance in menu option.
■A change in ambient humidity or temperature may result in an unusual noise when the set is turned on or off and does not indicate a fault with the set.
APPENDIX
There is a problem in PC mode. (Only PC mode applied)
■ Adjust resolution, horizontal frequency, or vertical frequency.
The signal is out of range
| ■ Check the input source. | |
Vertical bar or stripe on |
| |
background & | ■ Work the Auto configure or adjust clock, phase, or H/V position. (Option) | |
Horizontal Noise & | ||
| ||
Incorrect position |
| |
Screen colour is unstable | ■ Check the signal cable. | |
or single colour | ■ Reinstall the PC video card. |
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