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Powering the Singxer F-1
Powering the Singxer F-1
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Old 27th April 2017, 01:29 AM   #1
julcat is offline julcat  Mexico
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Default Powering the Singxer F-1

Can i use the inputs in the red circle in the attached image, to supply 5 Volts from a linear power supply to the Singxer F-1, or how can i do it??

Thanks for you help
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Old 4th September 2017, 09:29 PM   #2
clay-speakers is offline clay-speakers  Australia
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Good question.
I was thinking of powering it directly into the 3.3v rail which in pins 17 & 19.
I would think if you power it from either the 5v spot you marked or pins 17 & 19 you would need to disconnect the 5v input from the USB socket first or you will damage the F1. The F1 is supposed to be fully compatible with the Amanero & in my DAC I power the Amanero via pins 17 & 19 + disconnect the 5v in on the USB socket & that works well.
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Old 8th November 2017, 07:52 PM   #3
slmnklyc is offline slmnklyc  Turkey
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Quote:
Originally Posted by julcat View Post
Can i use the inputs in the red circle in the attached image, to supply 5 Volts from a linear power supply to the Singxer F-1, or how can i do it??

Thanks for you help
Hi man.
I Read on headfi.org.
You should remove The rectangular thing from The board to power The Second part of The board..(rectangular BIG thing that connected between isolated sides of The board).
I also have The board.maybe best point to power it..
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Old 8th November 2017, 08:23 PM   #4
clay-speakers is offline clay-speakers  Australia
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Correct - I actually contacted Singxer & that is what they advised. Remove the DC to DC converter (rectangular black box bridging the isolation area) & then it is fine to feed in 5v to the area marked (red circle)
I also tried feeding in 3.3v via the correct pin on the header but that did not work.
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Old 8th November 2017, 08:43 PM   #5
slmnklyc is offline slmnklyc  Turkey
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Quote:
Originally Posted by clay-speakers View Post
Correct - I actually contacted Singxer & that is what they advised. Remove the DC to DC converter (rectangular black box bridging the isolation area) & then it is fine to feed in 5v to the area marked (red circle)
I also tried feeding in 3.3v via the correct pin on the header but that did not work.
I am Planning to power it with lt3045 regulator and battery.
Did you try to use usb y Cable and powering all board with clean 5v?
I couldn't decide between them.

Probably after removed The rectangular box , Using 3.3v won't work,because Second part also need 5v..
People Using 3.3v just powering The clocks..
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Old 9th November 2017, 04:20 AM   #6
clay-speakers is offline clay-speakers  Australia
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The LT3045 are very nice regulators & sound good too.
I did not try runing the whole board on clean power but that certainly is a good idea.

My 3.3v only problem - ah that makes sense that the 3.3v is for the clocks & others parts still need 5v. I was trying to use the F1 in place of a Amanero board & just wanted to use the 20 pin header connections. The sample rate flag pins (f0 to f3) are configured different to the Amanero as well so the F1 will not work as a drop in replacement - shame about that!
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Old 9th November 2017, 05:11 AM   #7
slmnklyc is offline slmnklyc  Turkey
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I found a pic on The net.You can check it..
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Old 9th November 2017, 10:42 PM   #8
clay-speakers is offline clay-speakers  Australia
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Awesome!
Great info - thanks very much.

Actually I'm now thinking about designing my own USB to I2S unit based on a Xmos UX208 chip. That way I can have nice clean power with good local regs for both input & output sections. Anyway it might be best for me to start a separate thread on that as it is off topic here.
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Old 16th November 2017, 03:12 AM   #9
slmnklyc is offline slmnklyc  Turkey
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When I connected to power supply,power light goes on.
Probably it will work..

I power the all Second part of the board.
I placed pin header to 5v-gnd holes.

I used ldovr LT3045-S 5v board.
I didn't like 2 things about this board:
I couldn't find a toggle Switch will fit onto board(maybe submimiature ones fits..)
Secondly I didn't like the orientation of V and GND of the input section..
(in my opinion it should be reverse).
That's it.
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Old 16th November 2017, 04:26 AM   #10
slmnklyc is offline slmnklyc  Turkey
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No no No!!
In my opinion,it is essential to power First part of The board with a clean power!!
Clean power For Second part is almost useless without clean power For First part!!
Now I will try to power the whole board with usb split Y Cable..
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