My DM7025 is working perfect, but the LCD display backlight does not work anymore ?
The display works (but hard to see the text without the backlight)

Adjusting the LED light in the menu does NOT help.
Putting in a new firmware does NOT help.

Some hardware must be dead ? Mabe the display it self ?
If it's not the display what should i then replace ? Are there a supply driver for the background LED's i can replace ?

Is it possible to get at diagram on the front PCB ?

Any clue what i should do ?