Hello everyone I would need schematics and boardwiev files for imac 21.5 "motherboard 820-00431-a Thank you
Imac 21.5" m/b 820-00431-a schematics and boardwiev
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by amigo744Hello,
i am searching for 820-01310-A schematic ?
apple imac 27 2019 .
no backlight power.
regards-
Channel: BIOS & Schematic Requests!
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by mon2Hi. Have a request for schematics / boardview files for this model. Will check the logic board # once at the office but unit has been toyed with another repair shop and has no power. No onboard LEDs so suspecting the 300W Delta power supply is defective after a power brown out event.
Have another confirmed good power supply in transit for testing later today / tomorrow.
Will appreciate any feedback and schematics, if available.
Thanks.-
Channel: BIOS & Schematic Requests!
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by ryogadan78Hi guys, I need your help again.
I have this iMac from a customer that shut down during a storm along with all the other devices in the house. In particular, the router, connected via Ethernet to the iMac, caught fire.
When I removed the screen from the iMac to check the status of the LEDs, I noticed that none of them were lit. I had a perfectly compatible and working power supply, so I tried it right away, but the problem remained the same (no LEDs). With the thermal camera, I noticed only a slight warming (32 degrees) of the NCP1605BG chip on the power supply. The rest was completely... -
by itsashortMacintosh - Various - Schematics - Boardviews
No doubt some dups, more files to come....-
Channel: BIOS & Schematic Requests!
08-20-2022, 08:03 AM -
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by StepheniMac turns on no drops no cracks, tried to DFU Restore the iMac, logo turns on great! however iMac turns itself off and then restarts to the (!) icon and won't post the restore. Tried thunderbolt 3 cable, tried regular USB C cable and nothing.
this is the message it gives me with the error
Unexpected device state 'DFU' expected 'RestoreOS' (Probably forced into DFU mode externally) [com.apple.MobileDevice.MobileRestore – 0xFAE (4014)].
Any thoughts what this could be? I will open it up and repair it but I am not 100% sure since this iMac doesn't... - Loading...
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