drmacbookth
Member
Hello, we have an 820-00244 that came in for battery replacement. After the battery was replaced, we have a black display. We have tried a known working display and same situation. Display completely black, so its not no backlight. I checked, we have 5V (C8512) for a second and then drops to 0v, and 0.144v on Backlight IC (C8500). Pin 23 from LCD connector 0v. Any idea what can cause this. I connect to external display and that works. Also noticed KBD not working (worked before). Could it be related to i.e. a damaged keyboard flex cable? Will try another cable tomorrow as first I am backing up the data from this pile of trash.