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 | • Adjust Balance in menu option. | ||
one of the | |||
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speakers |
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Unusual sound | • A change in ambient humidity or temperature may result in an | ||
from inside the | unusual noise when the product is turned on or off and does not | ||
product | indicate a fault with the product. | ||
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There is a problem in PC mode.
(Only PC mode applied)
The signal is out | • Adjust resolution, horizontal frequency, or vertical frequency. | ||
• Check it whether the signal cable is connected or loose. | |||
of range. | |||
• Check the input source. | |||
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Vertical bar or |
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stripe on | • Work the Auto configure or adjust clock, phase, or H/V position. (option) | ||
background & | |||
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Horizontal Noise |
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& Incorrect |
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position |
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Screen color is | • Check the signal cable. | ||
unstable or | |||
• Reinstall the PC video card. | |||
single color | |||
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