6. Before Repair
The following phenomenons do not mean that the TV set has fault. Please check it according to the following methods before repair.
Phenomenon | Reason | |
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No image and sound | The power switch is on the state of off. | |
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No signal | Whether chosen the right channel; auto | |
setup receiving channel again. | ||
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| Whether the volume has been turned | |
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No sound | down at the bottom; signals too weak; | |
| the mute function is working. | |
Mosaic in the image | Whether the antenna has been adjusted | |
properly, and maybe the signals are too | ||
| weak. Whether the Antenna connect well. | |
Image too dark | Whether the brightness and contrast are | |
proper, and please adjust again. | ||
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| |
Radio(FM/WB) noise | Whether the FM ANTENNA CABLE has | |
been adjusted properly, and maybe the | ||
or no sound | ||
Radio(FM/WB) signal weak. | ||
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Radio(AM) noise or | Maybe the Radio(AM) signal weak. | |
no sound | ||
| ||
| Whether the FM ANTENNA CABLE has | |
NOAA no function | been adjusted properly, and maybe the | |
| WB signal weak. | |
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