Macbook A1466 820-00165

[Instafixx]

Not Turning On.
PPBUS at 1.8V Diode to Ground 0.130 ( Not short)
3V42 present.

18V5_DCIN_ISOL_R is 16.6V
PPVIN_G3H_P3v42G3H is 16.V
PPBUS_G3H_R is 1.8V

Replaced D7005.

Still the same.

 

[2informaticos]

Any history available?

Post U7100 voltages.
Check resistance (ohm scale) between its pins 17/18 and 27/28.

 

[Instafixx]

17/18 is 3.8 Ohms
27/28 is 20.8 Ohm

U7100 Basic Voltages

CHGR_VFRQ 3.3V
CHGR_SGATE 15.6V
CHGR_AGATE 0V
CHGR_DCIN 16V
CHGR_ACIN 4.3V
CHGR_AMON 0.2V
PP3V42_G3H 3.4V
CHGR_RST_L 3.3V
SMC_BC_ACOK 3.4V
CHGR_BMON 0V
CHGR_CSO_N 1.8V
PP5V1_CHGR_VDD 5V
PP5V1_CHGR_VDDP 5V
CHGR_CSI_N 15.4V