Rank: Member
Groups: Member
Joined: 11/9/2007(UTC)
Posts: 453
Location: usa
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You want to measure if the switches are working as they should:
Measure the voltage of each pad (hole) next to the switch and move the switch from one position to the next: Should measure O volts, indefinite volts, and 3.3V
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Rank: Advanced Member
Groups: Member
Joined: 7/19/2010(UTC)
Posts: 40
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Thank you!
I have measured the voltages.
All the switches that were set to + give 3.27 V
All the switches that were set to - give 0.00 V
But none of the open switches gives the same result, it varies between 0,09 and 1,60 V
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Rank: Member
Groups: Member
Joined: 11/9/2007(UTC)
Posts: 453
Location: usa
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Looks like the switches are correctly installed. When open, the voltage would vary. Have you used the spdif receiver straight to the OPUS DAC (not using the Metro)? Edited by user Monday, August 23, 2010 1:12:52 PM(UTC)
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Rank: Advanced Member
Groups: Member
Joined: 7/19/2010(UTC)
Posts: 40
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Yes, I have tried it. The end result was the same.
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Rank: Member
Groups: Member
Joined: 11/9/2007(UTC)
Posts: 453
Location: usa
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Can't think of anything else. I suppose you have the I2S signals properly connected: When you stack the spdif board with the opus board, the signals align. Maybe you can also check the voltages after the regulators: The digital side should be 3.3 and the analog side should be 5V.
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Rank: Advanced Member
Groups: Member
Joined: 7/19/2010(UTC)
Posts: 40
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Yes, when I stack it the signal cables align.
I would like to check the voltage, but again I'm not sure how to do it.
Could you please tell me?
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