Troubleshooting a non-functioning Digitizer

NizNoz

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So I have a new, functioning digitizer/LCD in my lite. I bought the switch as a “damaged unit”, and it had a cracked screen and casing. I think it was thrown or sat on. Anyhoo.. I’ve had to replace an İÇ, a few caps, and an inductor coil (red circle in pic) and it’s finally up and running. But the touch screen doesn’t respond to anything. I threw in a functioning motherboard and it worked as it’s supposed to. I’d love some pointers as to how I’d go about troubleshooting.. thanks!
 

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Illuminaticy

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Bottom left corner of the board is where jkyoho spotted whatever that is. Definitely doesn't look normal, whatever is there. Could just be the pic though
IMG_2077.jpeg
 

NizNoz

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Oh.. thanks for clarifying @Illuminaticy. I thought that area had to do with audio processing. Here are better pic. The original pic was just to show what components were replaced.
 

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