IX 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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| |
| AC adapter or automobile adapter | |
No image and sound | connecting improperly; using | |
unauthorized power; 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; channels | ||
| need to be reset in a new place. | |
| Whether the volume has been turned | |
No sound | down at the bottom; whether the | |
earphone is inserted; 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. | |
Could not receive | Maybe the local signals are too weak; | |
signals | open antenna or cable TV preferred. | |
|
| |
Image too dark | Whether the brightness and contrast are | |
proper, and please adjust again. | ||
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