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A1289 no power 820-2337-a MacPro

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lincev

Member
Hello i have this board but don't turn on. Only two leds red solid when I connect de cord power and later led orange 5v stand by. I disconnect all items and put pads SYS_PWR but dead..

I have 3v in front panel with power button and 5v in switch diagled

is it worth spending time? I have seen that these second-hand plates are very cheap.

any ideas? thanks for all !
 
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lincev

Member
I can't get a schematic for this model. I have registered in several forums with donations but none have it. I can tell you that I get, for example, 3.3v on the power button and 5,0v in pin 4 of switch button diag
 
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