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故障现象:正常收视中(即TV状态),只要按动TV/AV功能键,便转换为AV状态。此时,若再将其从AV状态转为TV状态时,则显示屏上显示正常TV状态时的频道号,光栅依旧白板状(同AV状态一样),必须关机后重新启动,方能正常收看电视节目。
Symptom: normal viewing (ie TV state), just press the TV / AV function key, it is converted to AV state. At this time, if you change it from the AV state to the TV state again, the channel number of the normal TV state will be displayed on the display screen. The grating will still be in the shape of a white board (same as the AV state) and must be shut down and restarted before normal viewing TV show.