There's an issue with my NES.  I know it's not the games because the problem is universal amongst them.  The moving characters in the games are either blotchy or backwards.  I have included (3) screen shots.

 Here's what I have done so far:
-replaced the 72pin connector (new)
-cleaned the connector base on the motherboard
-disabled the fourth pin on the regulating chip
-switched out my RCA video cable
-cleaned the inner console areas.

The are no pins that are cross-connected that I can tell.  It appears there is no damage to the motherboard either.

Can anyone help me please?  I'm sure it's something very simple that I'm just not aware of.

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Limited tech knowledge here.

What's messed up are the "sprites"  -- that is, the moving characters in the game, which are technically seperate in a way from the background graphics.

I'd open it up again and go at it with a can of compressed air.  Blow out real good near all of the chips and see if that doesn't clear up the problem.  Also make double sure that leg 4 that you clipped to disable the lockout chip isn't coming in contact with anything.