If it would be a guess i would think the 7805 failed and lets the full input across output and hence it gets sinked through usb cable. Could try check that. Discovering a short somewhere would of been better / preferable.
Btw, If you find the cause of this later on, perhaps update post so it may help others.
Cheers! :)-D
Btw, If you find the cause of this later on, perhaps update post so it may help others.
Cheers! :)-D
