820-00609-A Apple iMac 27" 5K Retina

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820-00609-A Apple iMac 27" 5K Retina
BIOS, Schematics iMac 27 5K Retina - 820-00609-A - 051-01506.pdf

 

[ThienBui]

A1419 820-00609-A

 

[ByGonzo]

nice one

 

[rasta24]

bios 820-00609-A please old pasword efi

 

[B4RDOCK]

bios 820-00609-A please old pasword efi

sube tu archivo aquí el admin te ayuda

 

[rasta24]

password

 

[ThienBui]

password

 

[rasta24]

yes it worked thanks ,

 

[maigda]

hi, please old my password, imac 2017 a1419 emc 3070 (
820-00609-A )

 

[ThienBui]

hi, please old my password, imac 2017 a1419 emc 3070 (
820-00609-A )

 

[maigda]

thanks you my friend, i tested

 

[Sébastien]

hi,
schematic and board not avalaible? equivalent?
thanks

 

[ThienBui]

hi,
schematic and board not avalaible? equivalent?
thanks

Unavailable

 

[janoszw]

I'm looking for bios for same EMC3070 but board 820-01134-A ?

 

[ThienBui]

I'm looking for bios for same EMC3070 but board 820-01134-A ?

send old i help build

 

[janoszw]

old possibly faulty

 

[ThienBui]

old possibly faulty

 

[janoszw]

Thanks. There are 5 diagnostic LED's on the logic board. On the original bios 2 diagnostic LED were on. With the new bios 3 LEDs are on so it's better but still no display... Any ideas?

 

[ThienBui]

Thanks. There are 5 diagnostic LED's on the logic board. On the original bios 2 diagnostic LED were on. With the new bios 3 LEDs are on so it's better but still no display... Any ideas?

try one bios new other.

 

[ROBOTINCR]

Hello friends, hoping that everyone enjoys excellent health and work, my situation is the following after several days of reviewing this team iMAC-27 A1419 EMC2834 I do not find the fault and decided to upload two small videos to know if someone has met this kind of problem and can you guide me please; With what can it be. I was reballing ic video and screen replacement. Thank you in advance for your recommendations. Thank you.