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Northstar DAC
A customer brought in a
Northstar Upsampling DAC with excessive hum, and static
noise. Bench test reveals that the
unit was leaking DC voltage due to transistor failures.
We took the time to find 2
matched transistor out of a batch of 400 !
We test each transistor individually find
two with matching characteristics. The
process was extremely time consuming.
Estimated Repair Cost: $
280
Actual Repair Cost: $ 280
Turnaround time: 4 days.
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