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The simple protection plug circuit of color TV

2016-09-27 09:05  
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The simple protection plug circuit of color TV
The circuit of the device is shown in Figure 1, which consists of VDR MY and the dual-way SCR VS. The main function of MY is to absorb the flooding wave in the grid and avoid large current impact of starting up, as it is in the first pass of the power supply of color TV, so it can purify the grid power supply, reduce the disturbance and clear the screen image; VS is the electric switch, which is conducting and generating the short current to blow the fuse when there is the fault phase in the grid, so the power supply of the color TV is cut off.