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820-3481-A Late 2013 A1419 Imac 1st LED on 2nd LED flickers.
Sorry yes i meant the 3478 schematic. Yes it booted with the original blade ssd in it and then i swapped it for the m2 (now in another imac), i got the led2 flickering and swapped back to the original blade and still the same... Have been scanning the board for missing or damaged components...- sparkcoordination
- Post #7
- Forum: Macbook Logic Board Repair Questions
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820-3481-A Late 2013 A1419 Imac 1st LED on 2nd LED flickers.
U2800 removed and the short is gone which is good. I am looking at 3479 schematic.... same apart from gpu area i believe and same board outline. Still same symptoms. Do i need U2800 to get power good? Am scanning the board for anything visible...- sparkcoordination
- Post #5
- Forum: Macbook Logic Board Repair Questions
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820-3481-A Late 2013 A1419 Imac 1st LED on 2nd LED flickers.
Thanks glad to be here! U3015 removed but short still present. Still not starting...- sparkcoordination
- Post #3
- Forum: Macbook Logic Board Repair Questions
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820-3481-A Late 2013 A1419 Imac 1st LED on 2nd LED flickers.
Hi there, I have an Imac LB here that refuses to power on. I changed out the blade SSD for an M2 and encountered this problem. Swapped back and the problem persisted. The Imac was working up to this point. Have since successfully installed that drive in another Imac. Tried reseating the...- sparkcoordination
- Thread
- Replies: 7
- Forum: Macbook Logic Board Repair Questions