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Official GB for DSD DAC Signalyst DSCv2
Official GB for DSD DAC Signalyst DSCv2
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Old Yesterday, 04:32 PM   #321
Vit123 is offline Vit123  Russian Federation
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Join Date: Jan 2017
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Official GB for DSD DAC Signalyst DSCv2
Yes, on 2.6.2 Amanero connector is rotated by 180 degrees. Pin 1 on Amanero board must match witn Pin 1 on DSC.
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GB DSC Signalyst v2 DSD DAC
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Old Yesterday, 06:08 PM   #322
miksi is online now miksi  Serbia
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Location: Nis
Thanks Vit, you were right. I did download luchoh update and unpacked it but forgot to install. This linux commands can be really tricky when you have some other distraction...
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Old Yesterday, 06:21 PM   #323
barrows is offline barrows
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Join Date: Jul 2010
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Quote:
Originally Posted by Vit123 View Post
Yes, on 2.6.2 Amanero connector is rotated by 180 degrees. Pin 1 on Amanero board must match witn Pin 1 on DSC.
Thought so but wanted to be sure. Drat, got a defective SingXer C-1, no DSD lock on USB signal (filckering DSD LED on interface).
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Old Yesterday, 11:36 PM   #324
barrows is offline barrows
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Join Date: Jul 2010
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Quote:
Originally Posted by Vit123 View Post
Yes, on 2.6.2 Amanero connector is rotated by 180 degrees. Pin 1 on Amanero board must match witn Pin 1 on DSC.
On Singxer C-1 interface, pin 1 is mis-marked to the opposite end from Amanero. I realized this by seeing where the 3.3 VDC output was.

Another note for V. 2.6.2, with Lundhall 1527XL, the jumpers J10-11 are irrelevant as far as I can tell, as they just connect XLR pin 1 to Chinese tranny center tap position. Ground as to XLR is left floating in this case. I think my approach for G would be to connect pin 1 XLR to chassis, and ground from the 2.6.2 board to chassis (perhaps via a switch). G on the PCB also connects to the Lundhall case and static shield, so it probably should be connect to chassis ground, and therefore XLR pin 1.
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Old Today, 08:32 PM   #325
barrows is offline barrows
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I am measuring only .74 V output (before transformer) at 0 dB level? I made sure DSD oversampling level reduction (for safe oversampling, usually set -3 to -5 dB) was at 0 dB attenuation for this measurement. Both channels measure the same. My understanding is that the output should be ~1.6 V.
I am going to need to add a gain stage for my purposes even at 1.6 V out, but I really want this DAC to achieve it's specified output?
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