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Old 20th August 2018, 03:27 PM   #711
barrows is offline barrows
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Quote:
Originally Posted by itsikhefez View Post
Do the LED's have to be soldered in order for the Buffalo to work properly, or can they be omitted?
They can be omitted.
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Old 20th August 2018, 08:05 PM   #712
itsikhefez is offline itsikhefez  United States
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Introducing the Buffalo III-SE-Pro 9028/9038
^^ thanks barrows.

I got a replacement Buffalo board but unfortunately am still having trouble getting it to work.
I connected the power supplies to the Buffalo and Mercury, and connected Amanero with regular wires to the Buffalo.
On initial power on, after about 10 seconds I started smelling something so I immediately powered off, the 1.3V Trident seemed to be very hot.

I double checked all connections and everything looked correct.
I tried reflowing some joints and turned on again. The 1.3V Trident does not get hot any more and is outputting 0V. (input is 5.16V)
VDD_XO, DVCC and AVCC have correct voltages.

Measuring resistance on the VDD GND-OUT pins, I get 300ohm in one direction, and open circuit in the other direction.
Can someone confirm if this expected? I'm trying to determine if the issue is with the Buffalo board or with the 1.3 Trident.

Thanks
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Old 20th August 2018, 09:00 PM   #713
BrianDonegan is offline BrianDonegan  United States
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Introducing the Buffalo III-SE-Pro 9028/9038
Max input voltage should be 5V, so you will want to lower that. 4.5-4.9V will be a much safer range.

After our latest email exchange, I was planning on sending you a replacement 1.3V Trident.

Unless something happened to the Buffalo, it is working fine.
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Old 20th August 2018, 09:07 PM   #714
itsikhefez is offline itsikhefez  United States
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Introducing the Buffalo III-SE-Pro 9028/9038
Thanks Brian!! I may have missed that reply from you.
Nothing that I know of could have affected the Buffalo, I was just concerned that the initial heat up from the Trident could have caused something.
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Old 23rd August 2018, 09:27 PM   #715
hellokitty123 is offline hellokitty123  United States
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Hello there. I've had my buffalo on the bench until today. Last I checked it was working perfectly but today it does not produce a signal.
My set-up is Amanero>Ian's McFifo> Ians McDualXo board>Buffalo dac.
At first I noticed the Amanero was not sending any data, eventually I managed to get it to send data all the way to the buffalo board but there was still no signal at the dac output.
Now the Amanero sends data to the fifo but it does not appear at the buffalo board data pins.
I am not a digital guy, I can't begin to understand this weirdness.
First no data no sound, then full data no sound, now there is data but it doesn't reach the dac.
Any idea what could be going on?
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Old 24th August 2018, 12:14 AM   #716
Erlend Sæterdal is offline Erlend Sæterdal  Denmark
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Introducing the Buffalo III-SE-Pro 9028/9038
Quote:
Originally Posted by pixelpusher View Post
I would not stack the transformers. the second pic is better. even better would be to put them at right angles. I would also suggest using a NAS to store your music.
Never had problems by StackingToroid transformers.
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Old 24th August 2018, 02:17 PM   #717
BrianDonegan is offline BrianDonegan  United States
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Introducing the Buffalo III-SE-Pro 9028/9038
Quote:
Originally Posted by hellokitty123 View Post
Hello there. I've had my buffalo on the bench until today. Last I checked it was working perfectly but today it does not produce a signal.
My set-up is Amanero>Ian's McFifo> Ians McDualXo board>Buffalo dac.
At first I noticed the Amanero was not sending any data, eventually I managed to get it to send data all the way to the buffalo board but there was still no signal at the dac output.
Now the Amanero sends data to the fifo but it does not appear at the buffalo board data pins.
I am not a digital guy, I can't begin to understand this weirdness.
First no data no sound, then full data no sound, now there is data but it doesn't reach the dac.
Any idea what could be going on?
9 times out of 10, this is an issue with wiring connections that have become loose. If they all appear okay, the best way to diagnose is to start simple, then add complexity one piece at a time.

Try feeding the Amanero directly to the Buffalo. If that works, then add the Ian boards back in.
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Old 24th August 2018, 05:41 PM   #718
hellokitty123 is offline hellokitty123  United States
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Connected the Amanero to the DAC.
FSCLK >D1
Data>D2
BCLK>DCLK
GND>GND
Connected the on-board XO 3.3v supply.
Reflashed the amanero to non-slave mode.
Data is being sent on all pins.
Still no sound
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Old 24th August 2018, 08:56 PM   #719
itsikhefez is offline itsikhefez  United States
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Introducing the Buffalo III-SE-Pro 9028/9038
Quote:
Originally Posted by hellokitty123 View Post
Connected the Amanero to the DAC.
FSCLK >D1
Data>D2
BCLK>DCLK
GND>GND
Connected the on-board XO 3.3v supply.
Reflashed the amanero to non-slave mode.
Data is being sent on all pins.
Still no sound
I haven't actually gotten my own Buffalo to work yet but things to try based on what I've read here:
1) Are all the voltages on the Tridents correct?
2) Are you using onboard volume control? If not you need to jumper PB4-3.3 on ADC
3) Toggle 1 on SW1 should be OFF for i2c (default is ON)
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Old 24th August 2018, 09:01 PM   #720
hellokitty123 is offline hellokitty123  United States
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Voltages are correct.
I'm using volume control but adjusting the volume does not make a difference.
Toggle 1 on SW1 is off and all switches other than toggle 8 on SW2 are on.
As I turn the volume pot down the DC voltage of the negative output rises toward VCC and the positive output goes down toward ground. Is it supposed to do this?

Last edited by hellokitty123; 24th August 2018 at 09:07 PM.
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