That is normal. If those lines are actually short you won't be able to boot to a white light. You should focus on the hdmi circuit. There is a 100nf cap on pin 18 and a zener diode. Please post all 19 pins diode reading (red probe on ground) from...
If you remove the ssd controller and the the short to ground is gone then it's the ssd controller causing the short no? What is the resistance to ground with the ssd controller installed?
Did you thoroughly clean out the flux and ipa from under the SB? Usually when it hangs after installing a known good working SB it was the flux and ipa under the SB (on the solder balls) that's messing with the crystal oscillator causing it to...