820-00840. No trackpad and keyboard

[Soji]

All trackpad voltages are present but I can’t measure when trackpad is connected. Pls what can I check

 

[2informaticos]

First, check LID_OPEN signal.
Next, check diode mode to ground on all TPAD_SPI lines; compare with good board.
Also check the pull up/down resistors for TPAD_SPI lines (page 16).