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