820-02773 no image, backlight 51V

[ajdoc]

After liquid damage. Connector on Display board was burn out.

Testing with know good display assembly and flex cable.

PPVOUT_LCDBKLT = 51V
PP3V3_SW_LCD_CONN = 3.27V
PP3V3_SW_LCD = 3.28V
EDP_PANEL_1V8_EN = 1.78V
PP5V_SW_LCD_CONN = 5.1V
PP5V_CAM = 5.1V

Any idea?

 

[2informaticos]

If no broken trace for backlight output, then try DFU revive.

 

[ajdoc]

Tried DFU revive and restore with the same error.

libusbrestore error:21
[com.apple.MobileDevice.MobileRestore - 0x15 (21)]

 

[2informaticos]

DFU Mode Restore (Macs) - LogiWiki

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