820-00840. No trackpad and keyboard

Soji

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

2informaticos

Administrator
Staff member
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).
 
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