Rank: Member
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Joined: 3/11/2010(UTC) Posts: 11 Location: Italy
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Hello... have a problem here
i was listening to music when the buffalo started loosing lock intermittently for several times (talking about a couple seconds) then silence... A rapid check shows that lock led is off, no matter of the source as i have the 4-Channel S/PDIF selector connected to a dvd player and an extreamer prodigy media player, tried also to connect a pc with a musiland usb to spdif interface but no changes.
Buffalo is feeded with 5.25v by a Salas LV shunt, output stage is 10k 1:1 TX for i/v conversion and unbalancing, followed by a tube buffer stage. Everything has worked fine since i've built it, some months ago, whithout problems except for occasionally lock losting when someone ringed at the house door... what can i check???
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Rank: Member
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Joined: 3/11/2010(UTC) Posts: 11 Location: Italy
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in case... it's possible to send back to you to have it checked/repaired?
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Rank: Member
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Joined: 6/17/2008(UTC) Posts: 921 Thanks: 1 times Was thanked: 70 time(s) in 69 post(s)
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Buf II or Buf III ?
If Buf II you can try bypassing the S/PDIF switch. Input S/PDIF directly into the Buf II. Is the 5.25v stable ?
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Rank: Member
Groups: Member
Joined: 3/11/2010(UTC) Posts: 11 Location: Italy
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Buffalo III, tension is stable at 5.25v
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Rank: Member
Groups: Member
Joined: 3/11/2010(UTC) Posts: 11 Location: Italy
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Rank: Member
Groups: Member
Joined: 3/11/2010(UTC) Posts: 11 Location: Italy
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one of the trident's output is 1.2v, the one near the lock/mute leds... is this correct? Edited by user Saturday, September 15, 2012 12:51:34 AM(UTC)
| Reason: Not specified
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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)
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Yes it is correct. Are all of the VREG voltages correct?
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Rank: Member
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Joined: 3/11/2010(UTC) Posts: 11 Location: Italy
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Hello, sorry for the late answer... been away for holydays... voltage outputs: right trident: 1,2V , left trident 3,25V, AVCC 3,45V both outputs, so looks like everything on the power side is running good Edited by user Friday, September 28, 2012 7:36:53 PM(UTC)
| Reason: Not specified
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Rank: Member
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Joined: 6/17/2008(UTC) Posts: 921 Thanks: 1 times Was thanked: 70 time(s) in 69 post(s)
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Perhaps a stupid question, but what about the centre trident ?
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Rank: Member
Groups: Member
Joined: 3/11/2010(UTC) Posts: 11 Location: Italy
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nothing stupid, i've just forgot to post it... output is 3,25V Edited by user Sunday, September 30, 2012 9:44:19 PM(UTC)
| Reason: typo
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Rank: Member
Groups: Member
Joined: 3/11/2010(UTC) Posts: 11 Location: Italy
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any chance to have some real help???
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Rank: Member
Groups: Member
Joined: 3/11/2010(UTC) Posts: 11 Location: Italy
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It is possible to have the board serviced???
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