Apple macbook Air 13" A1466 - No power on - No green led

[Eleways]

Hi

I've some Macbook Air A1466 with Board 820-3437-b. No power on and the magsafe have no green light. It's no problem about resistor 4,7.
3.3 Volt is present.

Any suggestion?

Thanks and best regards.

Luke

[Eleways]

Re: Apple macbook Air 13" A1466 - No power on - No green led

I can add that 5 volt is missing.

On U7501 i can find a Vin about 8Volt.

[piernov]

Re: Apple macbook Air 13" A1466 - No power on - No green led

Known good DC-in Board?
Voltage on SMC_RESET_L?
Exact voltage on PPBUS_G3H?

[Eleways]

Re: Apple macbook Air 13" A1466 - No power on - No green led

SMC_RESET_L 3,3v
PPBUS_G3H 8,20 v

[piernov]

Re: Apple macbook Air 13" A1466 - No power on - No green led

Voltage on PP3V3_S5_SMC_VDDA?
SMC is not running. Liquid damage near SMC?

[Eleways]

Re: Apple macbook Air 13" A1466 - No power on - No green led

PP3V3_S5_SMC_VDDA 3,3 v

No liquid damage.

[piernov]

Re: Apple macbook Air 13" A1466 - No power on - No green led

Probably dead SMC anyway.