[SOLVED]mac air a1466 2013 - no green light but turns on

[jpadie]

Hi
ive got one of the above coming in for a look later this week. Liquid damage 14 days ago. It was for a friend so i tools quick look, checked for obvious shorts, cleaned it up and sent t back. He reported that the machine worked lie new.

Since then the fan has started spinning at full revs and the charger light doesn't come on . But the device still powers up and still charges the battery. Apple diagnostics reports ppp002 and 007 (charger not found).

Nothing obviously burned out on the board. I will utrasound it in case there is crud under the smc. But none of that feels right.

Any clues?

Tried SMC reset a few times to no avail. Likewise unplugging battery.

Thanks in advance as always .

Justin

 

[JohnB8812]

Tried new Magboard and flat cable? They can give sensor issues and no green light. Also check trackpad flex cable for corrosion.

 

[dukefawks]

IO board and flat cable are the first suspects. The trackpad cable is also suspect with corrosion in the connectors also possible.

 

[jpadie]

Thanks

I inspected the io board under a scope and saw nothing visually wrong. And the trackpad is reported as fine. But I will certainly have a look at that. Odd that a faulty trackpa might cause apple diagnostic to report a power supply issue though (tried three different supplies of course ) .

 

[jpadie]

Bang on about the io flex cable. One side of contacts at the board end of the cable was entirely crushed flat.

Reshaping it has sorted it out for the time being . A replacement is on order .

Thanks!