| 摘要 |
PURPOSE:To eliminate the connection mistake, by covering alternatively the input system of the 1st and the 2nd shaft with a cover in a television receiver possible for VHF and UHF broadcast so as to connect automatically the input system to a tuner section. CONSTITUTION:UHF feeder input terminals 12, 13 and a VHF cable input receptacle (female) 14 are fitted to the upper half of a front side 11a of a terminal board main body 11 fitted to the television receiver. Further, a UV mixing input receptacle (female) 15 is fitted to the lower half of the front side 11a. The cover 16 is fitted freely reciprocatingly to the terminal board main body 11 in up/down direction. In the connection of receiver to the feeding system of the 1st shaft, the cover 16 is moved upward and the plug (male) of the feeding system side is connected to the UV mixing input receptacle 15. In the connection of the receiver of the feeding system of the 2nd shaft, the cover 16 is moved downward and the feeder and the plug (male) are connected to the input terminals 12, 13 and the input receptacle 14. In both cases, the switch 18 is switched automatically and connected surely to the tuner stage. |
