The Renuva screen does not display

Tips:

Scope of application: Engineer

Applicable grade: Professional

Service tools: Heat gun

Starting up, no display, no screen backlight, confirm the three connections are normally connected to the

Main board and the ARM board, and the Main board lights up normally.

The P3 socket is the display backlight drive.

Multimeter test red and black line has 5V voltage, prove that the Main board communication signal is normal,

No 5V voltage the display fault.

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