820-3437 not turning on

Kyle93

Active member
Have a 820-3437 with no liqud or drop damage. All main power rails are present up to PP3V3_S0 but still wont turn on. U8180 has all rails present as well.


PPBUS_G3H = 8.6V
PP3V42_G3h = 3.41V
PPV5_S5 = 5V
PP3v3 = 3.3V
PP3V3_S3 = 3.3V
PM_SLP_S4_L = 3.3V

what to check next?
 

Kyle93

Active member
This is a old post but i have come back to this board.

PP5v_S4RS3 5V

PP3V3_S5 3.3V

PP3V3_S4 3.3V

PP3V3_SUS 3.3V

PP3V3_S3 3.3V

PP3V3_S0 is present but only 0.58V. Its not shorted to ground.

What to check next?
 
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