Troubleshooting Checklist
Picture OK &
No sound
No output from
one of the
Unusual sound
from inside the
• Press the VOL (or Volume) button.
• Sound muted? Press MUTE button.
° Try another channel. 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 product is turn_ on or off and does not
indicate a fault with the product,
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....................................There is a problem in PC m_e,
The signal is out
of range.
Vertical bar or
stripe on
background &
Horizontal Noise
& Incorrect
Scr_n color is
unstable or
single color
• Adjust resolution, horizontal frequency, or vertical frequency:
• Check it whether the signal cable is connected or loose.
• Check the input source,
• Work the Auto configure or adjust cl_k, phase, or HA/position. (option)
. Check the signal cable.
. Reinstall the PC video card.
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