PS3 PS3 ceche01 usb 1-2 and disc drive issue

Dhaleillama

Forum Noob
so had a broke usb port, everything else worked fine, replaced the tower for USB ports 1-2. Now ports 1-2 don't work, and the disc drive isn't working, port 3-4 work fine, and system functions fine otherwise. I pulled syscon codes and just getting CEL warnings, curious if there is a detailed diagram for the USB circuit, and if the disc drive runs off the same usb circuit?
Disc drive won't take a disc, verified 12v/5v power, blue light comes on when trying to feed disc.

any help would be greatly appreciated
 
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