820-01598 dead

Soji

Member
The board came in dead with burnt cd3217..
After replacing the both cd3217 machine now draws 20V 0.07A trackpad not clicking,and doesn't recognized in DFU

PPBUS_G3H = 12.23V
PP3v3_G3H = 3.30V
PP1V8_SLPS2R = 1.8V
PP1V8_AWAKE = 1.8V
PP1V1_SLPS2R = 1.1V
PP0V8_SLPS2R = 0.79V
PP3V3_AWAKE = 3.29V
PP1V2_AWAKE = 1.20V
PMU_PVDDMAIN_EN = 0v
P3V3MAIN_PGOOD = 0V
PP3V_G3H_RTC = 3.2V
PCH_RTC_RESET_L = 3.0V
P5VG3S_EN = 0V
PP5V_G3S = 0V
PP2V5_NAND_SSD0 = 0V
 

2informaticos

Administrator
Staff member
Check first diode mode to ground on all coils.
Also check on SSD power rails.
If nothing strange, reflash SoC ROM and try DFU again.
 
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