A1706 820-00239-A No LED External Only / No SSD

[Cire3]

A1706 820-00239-A No LED External Only / No SSD

No liquid damage found. No power a the nand. Boots to external screen only, then flashes folder.

U8203 Gets really hot.

PP3V3_S5 Pin 1 - 3.36V
PP3V3_S5 Pin 4 - 3.37
PP3V3_S4 Pin 6 - 0.19V

Best method to isolate PP3V3_S4 ?

 

[2informaticos]

"PP3V3_S4 Pin 6 - 0.19V"
Check it in diode mode.