820-3437-B running slow

[vsa100]

Hi!

I have this 820-3437-B logic board, the cpu is running @800Mhz and fan spinning high.
Checked the board and found C6990 burnt/oxydated
Replaced it but same problems, and AHT gives me that errors:

PFM006 (issue with SMC)
PPN001 (issue with the power management system)
NDC001 (issue with the camera)

What you suggest to do?

Thanks!

 

[2informaticos]

"NDC001 (issue with the camera)"
That means ALS (Ambient Light Sensor) issue.
So clean camera connector and check its solders/traces.

 

[vsa100]

already checked camera connector and it's nice and clean!
Tomorrow i'm gonna check camera cable
(a camera problem can be connected to smc/pw management problem in your opinion?)

 

[2informaticos]

ALS and Finstack Temp Sensor share the same bus through LIO connector.
You may have other issue with Power Management V/I sensor.
Check LIO connector and flex.
Also try other LIO board/flex.