On Wed, Jan 1, 2025 at 08:52 AM, Hans Summers wrote:
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QMX is the outstanding problem. We will find a solution to that too.?
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The QMX boards could be tested with some sort of bed of nails test fixture that provided the appropriate test signals for IC403 couldn't they?
Use the CLK2 signal attenuated by R513 with a suitable level and phase shift, then the Rx Audio and Image tests should work.? That's enough to test most of the Rx side on an unpopulated board.
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I guess you don't see the PCM1804s until they arrive on boards.? Has your trusted supplier been caught by someone flogging clone ICs?
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Chris, G5CTH
