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Deze versie is geschreven door: s3eker

Titel:

No power, No LED on, No 12v input from PSU

Tekst:

Hello guys,
I have a dead iMac with no LED on at all.
Logic board ID 820-3588, power supply tested OK
power input to power supply OK
tested with new known good power supply
but still no 12v present on logic board.
any advice for this case?
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+
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+***Update :***
+
+Tested with normal board and works fine. so the problem is the logic board. Power supply output 0v with original logic board

Toestel:

iMac Intel 21.5" EMC 2638

Status:

open

Origineel bericht door: s3eker

Titel:

No power, No LED on, No 12v input from PSU

Tekst:

Hello guys,

I have a dead iMac with no LED on at all.

Logic board ID 820-3588, power supply tested OK

power input to power supply OK

tested with new known good power supply

but still no 12v present on logic board.

any advice for this case?

Toestel:

iMac Intel 21.5" EMC 2638

Status:

open