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y1 gamma-1 DAC - Page 24

post #346 of 1537
1/19/09 at 1:54pm
Quote:
Originally Posted by rhys h View Post
There is no complete kit at the moment, but AMB kindly give digikey & mouser part numbers for everything you need.
Yea I saw that, I suppose I can do it that way. I was hoping Glass Jar or hobodiy carried it.
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post #347 of 1537
1/19/09 at 1:55pm
Not at the moment, im not sure what the plans are for the future.
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post #348 of 1537
1/19/09 at 7:16pm


I've never been so high as when I plugged this into my laptop and it was not only recognized, but works LOL, and sounds great.
I can't wait for the next project.
Many thanks to MisterX and AMB, I hope others enjoy this as much as I have.
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post #349 of 1537
1/19/09 at 7:19pm
Quote:
Originally Posted by digger945 View Post


I've never been so high as when I plugged this into my laptop and it was not only recognized, but works LOL, and sounds great.
I can't wait for the next project.
Many thanks to MisterX and AMB, I hope others enjoy this as much as I have.
red light ? :P

nice DAC
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post #350 of 1537
1/19/09 at 8:01pm
Quote:
Originally Posted by rhys h View Post
red light ? :P

nice DAC
red light does not mean it is not working. It just means it is not receiving an audio signal on the selected input.
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post #351 of 1537
1/19/09 at 9:36pm
Quote:
Originally Posted by m1abrams View Post
red light does not mean it is not working. It just means it is not receiving an audio signal on the selected input.
Or, as I understand it, the red light is on when there is no actual music playing under USB connection. When the DAC is connected to either optical or coax, it is green all the time, as long as a good connection is made, even if music isn't playing. Someone can correct me if I'm wrong, but that's what I've noticed on my y1.
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post #352 of 1537
1/19/09 at 9:40pm
I made the DAC and it works however the light is always green. Sometimes it flickers to red for the blink of an eye when changing modes but it always remains green.

It doesn't really matter, but I'm just curious why this is?
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post #353 of 1537
1/19/09 at 9:42pm
Has anyone compared the sound to a HR microdac or iBasso D1 ? If so, how does the y1 fare ?
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post #354 of 1537
1/19/09 at 9:44pm
Quote:
Originally Posted by bperboy View Post
Or, as I understand it, the red light is on when there is no actual music playing under USB connection. When the DAC is connected to either optical or coax, it is green all the time, as long as a good connection is made, even if music isn't playing.
Yes, this is exactly what happens on mine.

Quote:
Originally Posted by dude_500 View Post
I made the DAC and it works however the light is always green. Sometimes it flickers to red for the blink of an eye when changing modes but it always remains green.
Even on USB, when no music is playing? Odd. What platform/OS are you running? What playback software?
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post #355 of 1537
1/19/09 at 10:01pm
Quote:
Originally Posted by Beefy View Post
Even on USB, when no music is playing? Odd. What platform/OS are you running? What playback software?
XP and Vista both do it, just media player and win-amp. I can fully unplug USB and run it on the wall power and it is still green, all three sources are green when all it has is wall power.
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post #356 of 1537
1/19/09 at 10:19pm
Quote:
Originally Posted by dude_500 View Post
XP and Vista both do it, just media player and win-amp. I can fully unplug USB and run it on the wall power and it is still green, all three sources are green when all it has is wall power.
Hmmmm, sounds like your NOR gate chip U8D is doing funny things.
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post #357 of 1537
1/19/09 at 10:54pm
Mine was green when the music was playing, I just paused it and removed the mini for a pic. It goes red when hooked up to usb, and green when playing.
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post #358 of 1537
1/20/09 at 12:57am
dude_500, check your solder joints at U2D pin 14 and 15, as well as all pins of U8D. Make sure you have the correct chip installed for U8D. The marking should say "A02x" (x is irrelevant).
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post #359 of 1537
1/20/09 at 8:05pm
The TOTX147PLFT-ND optical-reciever is hard to come by. Can is use another toslink optical-reciever which have the same pin number and is for board mount?

This one: https://www1.elfa.se/data1/wwwroot/w...A/07536568.pdf
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post #360 of 1537
1/20/09 at 8:18pm
No. TORX179 needs a 5V supply (minimum 4.75V) while the correct TORX147PL/FT is 3.3V.

Where are you located? The correct part is available from Digikey and Arrow in the US, and from Farnell in Europe/UK/Australia/Asia, etc.
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