820-00239 works only with keyboard disconnected

[2informaticos]

"With only keyboard flex connected board doesn't start at all."
Board doesn't start by itself then (when connecting charger)?

 

[Narek]

No, it doesn't start at all. When I connect tracpad flex, it shows Apple logo and loads halfway, then shuts down.

 

[2informaticos]

"No, it doesn't start at all"
If battery is not connected, board MUST start by itself when connect charger...

 

[Narek]

You are right, it should be like this, but in this case, when I leave only keyboard (and LCD) connected to board it doesn't start. I mean - on the amp meter I can see, that board is trying to start, it takes 0,8A for 5 seconds then it drops to 0,05A and it loops. If I disconnect keyboard - board starts, shows image, loads system. If I connect keyboard and trackpad together, board starts, shows Apple logo, loads system halfway and shuts down.

 

[2informaticos]

Disconnect internal LCD and test with external monitor and only keyboard/trackpad connected.

 

[Narek]

It behaves the same with internal LCD disconnected. With only keyboard connected, it triest to start, but shuts down after 5 seconds, with only trackpad connected it starts and boots normally, with both connected it starts, loads system halfway and restarts.