touchbar issue, 820-02020

[Donlan78]

working on 2020 13" pro m1, strange issue, ordinally MacBook had no touchbar, at all replaced ut860 due to cracked chip and restored touch bar, but only if i close and reopen the lid, the webcam is also not working, display is confirmed to have good camera

 

[2informaticos]

Camera never works?
Check 5V_CAM presence at JP600; LP610 may be damaged.

Touchbar losses both touch and backlight functions?

 

[Donlan78]

5v is present both sides of lp610,
when MacBook is first started, no touch or backlight on touch bar, closing and opening lid activates touch bar fully, only part changed was UT860:A2 because it was cracked

 

[2informaticos]

Check if ALS works properly.

You may have problems with AMR sensors.
Check UR200 signals, in both situations.