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back		#21 Posted : Wednesday, January 19, 2011 5:10:10 PM(UTC)
Rank: Member Groups: Member Joined: 8/24/2008(UTC) Posts: 61 Location: greece		Audiblesoundwave wrote: Hi Back, Did you double check the led's orientation? It is a bit fuzzy on the picture but it seems to be in wrong orientation! Good luck, Milton the leds are correct. if they where wrong they wouldn`t light up at all. but anyway the leds are the list of my concern. the problem is that there is no sound at the outputs. i mentioned the led just because i suspect that the problem is that it doesn`t lock the signal.
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Audiblesoundwave		#22 Posted : Wednesday, January 19, 2011 6:53:40 PM(UTC)
Rank: Advanced Member Groups: Member Joined: 8/3/2010(UTC) Posts: 68 Location: S.F. Bay Area, CA		Sorry Back! I was looking at the MUTE led! The best I can tell from the other 4 pictures that it seems like you installed the IC2 onto the Volumite. I believe a jumper is needed instead of the IC2 for the way you are supplying the power. This may be the problem! Good luck, Milton
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Brian Donegan		#23 Posted : Wednesday, January 19, 2011 7:12:02 PM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 2,868 Location: Massachusetts, USA Thanks: 2 times Was thanked: 141 time(s) in 134 post(s)		Hey, good catch. That may indeed be it, as the two vregs would be fighting each other, which would result in a sagging 3.3V VD.
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back		#24 Posted : Thursday, January 20, 2011 4:23:37 PM(UTC)
Rank: Member Groups: Member Joined: 8/24/2008(UTC) Posts: 61 Location: greece		i don`t understand what re you guys saying. the volumite is powered from the ic2 (only) do you suggest i should power it from the psu directly?
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Brian Donegan		#25 Posted : Thursday, January 20, 2011 4:27:54 PM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 2,868 Location: Massachusetts, USA Thanks: 2 times Was thanked: 141 time(s) in 134 post(s)		When powered by the I2C connections, the Volumite should not have the voltage regulator (IC2) installed, as it will be trying to regulate a 3.3V supply to 3.3V. The IC2 position on the Volumite should instead have a jumper from pin 1 to pin 3.
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back		#26 Posted : Thursday, January 20, 2011 6:15:13 PM(UTC)
Rank: Member Groups: Member Joined: 8/24/2008(UTC) Posts: 61 Location: greece		Brian Donegan wrote: When powered by the I2C connections, the Volumite should not have the voltage regulator (IC2) installed, as it will be trying to regulate a 3.3V supply to 3.3V. The IC2 position on the Volumite should instead have a jumper from pin 1 to pin 3. never heard that before. anway i don`t think that`s the problem since i disconected the volumite as i told you at the email. tomorrow i will try the dac alone to figure out if the problem is from the buffalo or legato.
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ustas		#27 Posted : Thursday, March 10, 2011 8:42:24 PM(UTC)
Rank: Member Groups: Member Joined: 3/31/2009(UTC) Posts: 15 Location: Russia		I have same problem. But I do not use Volumite. I have a lock of signal, I have sound, but sound coming distorted, like overdrive with little amplitude. If i make lower current left D1 goes dims. Please help!
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Russ White		#28 Posted : Thursday, March 10, 2011 9:00:57 PM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)		Any chance you can post photos?
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ustas		#29 Posted : Friday, March 11, 2011 1:59:52 AM(UTC)
Rank: Member Groups: Member Joined: 3/31/2009(UTC) Posts: 15 Location: Russia		Russ, Right now I replaced AVCC RR OP-amp. Now BUF-II and IVY-III workes perfect.
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Russ White		#30 Posted : Friday, March 11, 2011 6:03:24 AM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)		Ok, very good. Thanks.
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back		#31 Posted : Thursday, March 17, 2011 1:37:29 PM(UTC)
Rank: Member Groups: Member Joined: 8/24/2008(UTC) Posts: 61 Location: greece		brian i received the buffalo with legato. it works fine from balanced outputs but there is no sound from se. it connected the gnd and + from balanced to have se and the sound id distorted. how is it posiible?
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Russ White		#32 Posted : Thursday, March 17, 2011 1:47:20 PM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)		What are your supply voltages? Did you install the relay backward?
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back		#33 Posted : Thursday, March 17, 2011 2:14:31 PM(UTC)
Rank: Member Groups: Member Joined: 8/24/2008(UTC) Posts: 61 Location: greece		supply voltages are 14.7v anyway i was looking the manual and i think i found the problem. i haven`t install j1-j4 and i give two power supplies. i think i must give the middle too or install the jumpers? Edited by user Thursday, March 17, 2011 2:16:49 PM(UTC)  | Reason: Not specified
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back		#34 Posted : Thursday, March 17, 2011 2:16:12 PM(UTC)
Rank: Member Groups: Member Joined: 8/24/2008(UTC) Posts: 61 Location: greece		Russ White wrote: What are your supply voltages? Did you install the relay backward? the relay is only for se?
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Russ White		#35 Posted : Thursday, March 17, 2011 2:22:32 PM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)		Yes you found your problem. The center section is the BAL/SE converter, it must be powered.
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Russ White		#36 Posted : Thursday, March 17, 2011 2:23:12 PM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)		back wrote: Russ White wrote: What are your supply voltages? Did you install the relay backward? the relay is only for se? Yes it is, but I think your problem is more likely that your not powering the BAL/SE section.
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back		#37 Posted : Thursday, March 17, 2011 2:28:22 PM(UTC)
Rank: Member Groups: Member Joined: 8/24/2008(UTC) Posts: 61 Location: greece		so i can use or one power supply or three? if i want to use two maybe i can install only two jumbers?
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Russ White		#38 Posted : Thursday, March 17, 2011 2:30:27 PM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)		I would not use only two, as you will be asymmetrically loading one. I would use either one or three.
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back		#39 Posted : Thursday, March 17, 2011 2:34:53 PM(UTC)
Rank: Member Groups: Member Joined: 8/24/2008(UTC) Posts: 61 Location: greece		Russ White wrote: I would not use only two, as you will be asymmetrically loading one. I would use either one or three. i thought so. thanks i will make the changes tomorrow.
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back		#40 Posted : Friday, March 18, 2011 3:42:14 AM(UTC)
Rank: Member Groups: Member Joined: 8/24/2008(UTC) Posts: 61 Location: greece		hi. if i use one psu 360ma is per rail or total?
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