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Aktuelle Version von: Sebastian Nastarowicz ,

Titel:

iMac No Display, no 4th diagnostic led

Text:

HI,

could someone tell  me where I can find pinout for espower pwb-iv49151t inverter board please ?

I need to test it as I've just receive replacement screen for my iMac and it's still dead.

symptoms :

-4th diagnostic led not on.

-when dp ribbon disconnected the fans go full blast.

-when all the cables are connected the internal screen is discovered as online by system info and starts with internal as main screen (4th led still off).

-when disconnected from inverter board screen is not discovered.

the Mac works fine with external display.

if anyone have any suggestions I'll be forever grateful.

Seb

Gerät:

iMac Intel 21.5" EMC 2428

Status:

open

Akzeptierte Antwort:

488008

Ursprünglicher Beitrag von: Sebastian Nastarowicz ,

Titel:

iMac No Display, no 4th diagnostic led

Text:

HI,

could someone tell  me where I can find pinout for espower pwb-iv49151t inverter board please ?

I need to test it as I've just receive replacement screen for my iMac and it's still dead.

symptoms :

-4th diagnostic led not on.

-when dp ribbon disconnected the fans go full blast.

-when all the cables are connected the internal screen is discovered as online by system info and starts with internal as main screen (4th led still off).

-when disconnected from inverter board screen is not discovered.

the Mac works fine with external display.

if anyone have any suggestions I'll be forever grateful.

Seb

Gerät:

iMac Intel 21.5" EMC 2428

Status:

open