I recently came across a DMH-1500NEX that was pulled from a car that got into an accident. They said the unit wouldn't power up, but I wanted to roll the dice to see what was wrong. It came with a idatalink RR, which I needed anyways.
Long story short the first thing I did was pull the fuse and to my excitement it was blown. I replaced it and powered up the unit, no logo but it showed a black screen with backlight for about 5 seconds then the reverse camera was triggered. I can tap the screen to show the lines, but none of the buttons work or make any beeping sounds. I have put 12v and g