820-01041 not turning on

iClub

Member
Good morning, this mac was shorted on capacitor C9087, replaced it, solved the short, but the mac still won't turn on.
I tried to restore in DFU mode, but it gives an error when restoring.

Voltage:
PP1V2_AWAKE 1.2V
PP1V8_AWAKE 1,8V
PPVDDCPU_AWAKE 0.754V
PP0V8_SLPS2R 0.79V
PP1V8_SLPS2R 1.8V
PPBUS_G3H 12.6V
PP1V1_UPC_XB_LDO_BMC 0V / diode 0.525V
PP1V8_UPC_XB_LDOD 1,8V
PP3V3_UPC_XB_LDO 3,35V
PP1V8_UPC_XB_LDOA 1,8V
PP2V5_NAND_SSD0 0V / diode 0.367V


WhatsApp Image 2021-06-25 at 16.20.00.jpeg
 
Last edited:

iClub

Member
mode diode:
UB300
PP1V8_UPC_TA_LDOD 498
PP1V8_SLPS2R 406
PP1V1_UPC_TA_LDO_BMC 535
PP3V3_UPC_TA_LDO 514
PP1V8_UPC_TA_LDOA 540
UB400
PP1V8_UPC_TB_LDOD 500
PP1V1_UPC_TB_LDO_BMC 425
PP1V8_UPC_TB_LDOA 540
 
Top