This solution covers for hardware level of repair for Samsung Galaxy S 4G with a LCD screen display problem. This solution may help for a water or wet damaged and accidentally, heavily dropped phones. This solution may help if you already done a software calibration method and tried replacing the LCD screen but the problem continues.
Just see the solution preview below for it shows which components needs to be check and replace if the said LCD display of the Samsung Galaxy S 4G goes wrong.
The highlighted components holds for the LCD screen of the Galaxy S 4G to operate properly, if those said components become faulty or damaged it will result to a display problem issues. You may need to check those components if after or before changing the LCD screen module.