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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