Hi
I have a Problem with a Macbook Air 13 2020. It has Waterdamage. If i plug the USB C, it not starting and no boot. It do nothing. Only the T2 IC and U7800 is warm. Can you pls help me. There is no PP5V_G3S and PP3V_G3S. There is PP3V3_G3H = 3,2V but P3V3MAIN_PGOOD is missing. Is that normal ?
I measered the Power Rail:
PPBUS_G3H = 12,3V
PPBUS_HS_CPU = 12,3V
PPDCIN_G3H = 20,3V
PP5V_G3S = 0V
PP5V_S5_LDO = 0V
PPVIN_G3H_P5VG3S = 12,4V
PPVIN_G3H_P3V3G3H = 12,4V
PPVIN_G3H_P3V3G3HRTC = 12,3V
PP3V3_G3H_PMU_VDDMAIN = 3,2V
PP3V3_G3S_WLANBT = 0V
PP1SR3V3_G3H_P0V6_S3_VIN = 3,2V
PPBUS_G3H_SSD0 = 12,3V
PPBUS_G3H = 12,3V
PPVIN_G3H_P1V1_S3 = 12,38V
PP3V3_G3H_RTC = 3,3V
PP3V3_G3H = 3,2V
PP3V3_G3SSW_SNS = 0V
PP3V3_G3S = 0V
PPBUS_G3H_SPKRL = 12,3V
PPVCC_NAND_SSD0 = 0V
PP1V8_G3S = 0V
PPVCC_S0_CPU = 0V
PPVCCIN_AUX_PCH
PP1V8_PRIM_PCH
PP1V1_S3
PP0V6_S3
PPVDDCPU_AWAKE = 0,76V
PPVDDCPUSRAM_AWAKE = 0,8V
PP0V82_SLPDDR = 0,8V
PP1V8_SLPS2R = 1,8V
PP1V8_AWAKE = 1,8V
PP1V8_S3 = 0V
PP1V8SW_VCCQIO_SSD0 = 0V
PP1V1_SLPS2R = 1,1V
PP1V1_SLPDDR = 1,1V
PP0V9_SLPDDR = 0,9V
PPVNN_PCH_EXT_REG = 0V
PP1V05_PCH_EXT_REG = 0V
PP1V05_PCH_VCCPRIM
PP1V05_PCH_CPU
PP0V9_SSD0 = 0V
PPVCCQ_ANI_SSD0
PP0V8_SLPS2R = 0,8V
PP3V_G3H = 3,0V
PP1V2_AWAKE = 1,2V
PP3V3_AWAKE = 3,24V
PP3V3_S5 = 0V
I have a Problem with a Macbook Air 13 2020. It has Waterdamage. If i plug the USB C, it not starting and no boot. It do nothing. Only the T2 IC and U7800 is warm. Can you pls help me. There is no PP5V_G3S and PP3V_G3S. There is PP3V3_G3H = 3,2V but P3V3MAIN_PGOOD is missing. Is that normal ?
I measered the Power Rail:
PPBUS_G3H = 12,3V
PPBUS_HS_CPU = 12,3V
PPDCIN_G3H = 20,3V
PP5V_G3S = 0V
PP5V_S5_LDO = 0V
PPVIN_G3H_P5VG3S = 12,4V
PPVIN_G3H_P3V3G3H = 12,4V
PPVIN_G3H_P3V3G3HRTC = 12,3V
PP3V3_G3H_PMU_VDDMAIN = 3,2V
PP3V3_G3S_WLANBT = 0V
PP1SR3V3_G3H_P0V6_S3_VIN = 3,2V
PPBUS_G3H_SSD0 = 12,3V
PPBUS_G3H = 12,3V
PPVIN_G3H_P1V1_S3 = 12,38V
PP3V3_G3H_RTC = 3,3V
PP3V3_G3H = 3,2V
PP3V3_G3SSW_SNS = 0V
PP3V3_G3S = 0V
PPBUS_G3H_SPKRL = 12,3V
PPVCC_NAND_SSD0 = 0V
PP1V8_G3S = 0V
PPVCC_S0_CPU = 0V
PPVCCIN_AUX_PCH
PP1V8_PRIM_PCH
PP1V1_S3
PP0V6_S3
PPVDDCPU_AWAKE = 0,76V
PPVDDCPUSRAM_AWAKE = 0,8V
PP0V82_SLPDDR = 0,8V
PP1V8_SLPS2R = 1,8V
PP1V8_AWAKE = 1,8V
PP1V8_S3 = 0V
PP1V8SW_VCCQIO_SSD0 = 0V
PP1V1_SLPS2R = 1,1V
PP1V1_SLPDDR = 1,1V
PP0V9_SLPDDR = 0,9V
PPVNN_PCH_EXT_REG = 0V
PP1V05_PCH_EXT_REG = 0V
PP1V05_PCH_VCCPRIM
PP1V05_PCH_CPU
PP0V9_SSD0 = 0V
PPVCCQ_ANI_SSD0
PP0V8_SLPS2R = 0,8V
PP3V_G3H = 3,0V
PP1V2_AWAKE = 1,2V
PP3V3_AWAKE = 3,24V
PP3V3_S5 = 0V
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