How to solve the Pumpkin CN27 universal car stereo can not boot up

If your Pumpkin CN27 serious car stereo can not boot up and the wires in the harness are 12v, maybe it is due the the cpu board is not touch totally with main board, then you need to open the car stereo and press the CPU board.

You can also refer to this blog to get the detailed steps.
→http://forum.autopumpkin.com/viewtopic.php?f=8&t=15985

Видео How to solve the Pumpkin CN27 universal car stereo can not boot up канала Pumpkin Support Center