TROUBLESHOOTING
Before calling a technician, please check the following table to see if the below mentioned symptoms can be diagnosed and fixed.
Symptoms | Possible Reasons |
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No picture, no sound, | 1.The power cord is not plugged in | 1.Plug the power cord in |
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and no indicator light |
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2.The power is off |
| 2.Turn the power on |
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on |
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| 1.Contrast, sharpness, color | and | 1. Alter | the | value | of contrast, | |
No picture, no sound, | volume are all in the minimum value | ||||||
sharpness, color and volume | |||||||
or TV is in mute mode |
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but the green light |
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2.PC has no signal in PC mode |
| 2.Press any button or input PC signal | |||||
indicator |
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3.The signal cord is not correctly |
| 3.Connect the signal cord correctly | |||||
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| 1.Set the value of Contrast, sharpness, | ||||
| 1.Contrast, sharpness, and color are | and color properly |
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Picture and sound | set improperly |
| 2. Set the Color system to the country | ||||
with abnormity | 2.Color system is set improperly |
| broadcasting standard |
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| 3.Sound system is set improperly |
| 3.Set the Sound system to the country | ||||
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| broadcasting standard |
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Picture is spotted or | Signal source is | the | Use the qualified signal cord | ||||
with snow | signal cord is in a lower quality |
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Blue background in | No Video signal or the signal cord is | Connect the signal cord properly | |||||
AV mode | improperly/not connected |
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Picture is unclear, or |
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moves or have black |
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stripes on horizontal | Picture is not well adjusted |
| Adjust automatically by selecting Auto | ||||
position in PC mode |
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| Adjust or alternatively adjust Clock and | ||||||
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| Phase manually via PC Setting menu | ||||
PC Picture is not in |
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the middle of the |
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screen |
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| No Audio signal or the signal cord is | 1.Connect | the | audio | signal cord | ||
No sound | properly |
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improperly/not connected |
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| 2.Set the sound system properly | |||||
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| 1.Make sure the positive and the | ||||
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| negative polarities are correct. | ||||
The remote control | Batteries are improperly installed or | 2.Check if there is a loose contact | |||||
does not work | exhausted |
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| springs |
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| 3.Replace the batteries |
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Colors of PC Picture | The user made the wrong Color Temp |
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on display are | Readjust the Color Temperature | ||||||
adjustment |
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improper |
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PAGE 21