3. AB528 DI not working
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Author Topic: AB528 DI not working

February 06, 2026, 02:17:46 AM
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Ritualknive

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AB528 DI not working
Just put together one of these. Mic and line work well along with the phantom power. DI all I hear is hiss and the front LED doesn’t work either. Any ideas? Thanks! 
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February 06, 2026, 10:41:04 AM
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JPK

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Re: AB528 DI not working
Can you report the DC voltages on each pin of U2 on the DI board?

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JPK
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