air conditioner modular board cr-trp50a-b 1fa4b1b076900-0 pcb-assy3

when lcd panel pcb part broken ,the main performance as follows: 1. the tv can be watched normally, but occasionally it appears bad grating phenomenon , and it can be normal in an instant, which is generally difficult to find. 2. the tv screen has a bad left or right raster. 3. the backlight is bright and the screen is not bright.