Focusrite Isa 220 is dead

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AudioIngenia

AudioIngenia

Well-known member
Joined
Feb 22, 2017
Messages
68
Hello everyone. I have a Focusrite Isa220.
An unsuspecting person has bad installed the A / D conversion card, reverse connector
The unit no longer works. Has a short circuit occurred?
I need schematics. Does anyone provide it?
I'm sorry, my english is bad.....
 
Yea, your ISA220 is dead, and sorry to tell you that you can't fix it by yourself even if you have the schematic.
A reversed connection scenario like the one you described is what caused it.
What happened was that supply voltages appeared on traces where they don't belong to, and damaged the circuits.
Most likely every semiconductors on the board got fried.
 

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