MacBook Air A2337 820-02016 no power 5v

[master3112]

R1583 each side = 0V

PPDCIN_AONSW to ground = 5V
My USB-Port Tester is connected between Board and Power-Adpater shows just 5V Input

[mon2]

Each CD3217 features LDO rails. The active PD controller (mated to the USB-C port under use) will have all LDO rails enabled. Confirm the voltage of each PD controllers. Each must be working else you will not have 20v.

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[master3112]

I only have 5V at the USB-C input.

I measured the outputs of the UF400/UF500
PP3V3_S2_UPC = present
PP3V3_UPC0_LDO = present
PP1V5_UPC0_LDO_CORE = present
I believe that the UF400/UF500 are fine.

5V on the LC320 = present
3V3 on the LC710 = present
On the F5200 I have 11,92V

When I connect the battery, I have a current draw of 0.445A
The display briefly shows the message that the battery is charging.
However, I cannot switch the device on.
Without battery I have a current consumption of 0.001A

[mon2]

Remove all power. Disconnect the battery. Meter in resistance mode.

Measure the resistance to ground on each pin on the battery connector (without the battery) @ J5150.

Either color meter probe to ground (since this is a resistance check); other meter probe to pin #1. Repeat for each pin on the connector.

We are testing to see if perhaps one or more of the TVS ESD diodes that protect the SMBUS (SCL / SDA) lines is blown from a transient event.

Post each measurement.