820-3462 TW0P Ts0P Failures

[bjf]

Any idea what would cause this? U5570 looks good. I had to fix U5400 for a IC0R failure. Not sure what I'm missing that would cause TW0P and Ts0P failure. I'm using a known-good trackpad and cable. I also tried two others just to make sure my test setup didn't fail for some reason. I attached some pre-ultrasonic cleaning pictures.

 

[2informaticos]

Ts0P is left side Palm Rest temperature sensor.
TW0P is X29 Proximity sensor; this one is placed on RIO board.
Try known good RIO board and flex now.