Program ArSiVi

Hi!

I have another Game Gear that has a problem on the screen. I have replaced all the capacitors of the board and it has improved the quality of image, but black lines appear in the center of the screen. A shade appears in 2/3 partof the LCD.
How I can fix this problem?Another day I dismantled a Game Gear to clean and on having mounted it again, appeared a few black lines as a dark shade in the LCD in the right of the screen. What it happened now? I do not find this problem.

Please help.

I didn't find the right solution from the Internet.

References:-
https://bit.ly/2ypV3uN
Clean Energy Solution Video

Thanks