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Forum Discussion
ReadyNAS DUO RND2000 Burnt Transistor
Hi, I just got my ReadyNAS DUO with a burning smell. After opening up the casing, I found a burnt transistor. Marking 749. It showed Q2 on the Main PCB board. Can anyone advise what chip is it s...
Hi SandShark and siigna,
Thanks for your advise.
I agree.
From my debug, the transistor is supplying the fan power.
I managed to find the replacement part.
Fairchild fzt749.
Cheap replacement.
But why the fan is drawing so much current causing the transistor to burn is the problem.
Something must have gone wrong requesting the fan to spin faster to cool the system but probably this fan sucked more than the transistor spec of 3A.
Is there some similar cases u heard of?
Thanks for your advise.
I agree.
From my debug, the transistor is supplying the fan power.
I managed to find the replacement part.
Fairchild fzt749.
Cheap replacement.
But why the fan is drawing so much current causing the transistor to burn is the problem.
Something must have gone wrong requesting the fan to spin faster to cool the system but probably this fan sucked more than the transistor spec of 3A.
Is there some similar cases u heard of?
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